Markforged, Inc.

United States of America

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2024 February 1
2024 January 3
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IPC Class
B33Y 10/00 - Processes of additive manufacturing 73
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor 40
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM] 38
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes 33
B29C 67/00 - Shaping techniques not covered by groups , or 30
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NICE Class
07 - Machines and machine tools 9
17 - Rubber and plastic; packing and insulating materials 8
09 - Scientific and electric apparatus and instruments 7
42 - Scientific, technological and industrial services, research and design 7
06 - Common metals and ores; objects made of metal 3
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1.

DEVICES AND SYSTEMS FOR VARYING FILAMENT PATH LENGTH

      
Application Number 18371273
Status Pending
Filing Date 2023-09-21
First Publication Date 2024-03-28
Owner MARKFORGED, INC. (USA)
Inventor
  • Fine, Benjamin
  • Berman, Nathaniel
  • Macmullen, Angus
  • Piper, David
  • Kalweit, Nicholas
  • Kelly, Peter

Abstract

A three-dimensional printer for the additive manufacturing of a part is provided. The printer includes a build platen, a pre-extrusion system, and a print head located downstream of the pre-extrusion system and configured to receive and deposit a filament. The print head includes a receiving section configured to receive the filament, an outlet through which the filament is deposited onto the build platen or a previously added layer of a part, a feeding mechanism constructed and arranged to feed the filament into the outlet, and a path length adjustment system positioned on the print head disposed between the pre-extrusion system and the feeding mechanism. The path length adjustment system constructed and arranged to create slack in the filament being delivered from the pre-extrusion system. Path length adjustment devices incorporating sliding components and flexure components are also disclosed.

IPC Classes  ?

  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

2.

APPARATUS AND METHOD FOR PERFORMING 3D PRINTING BY TAPPET DISPENSING

      
Application Number 17893492
Status Pending
Filing Date 2022-08-23
First Publication Date 2024-02-29
Owner Markforged, Inc (USA)
Inventor
  • Seleznev, Maxim
  • Roy-Mayhew, Joseph
  • Gallup, Benjamin
  • Li, Yuwei
  • Imburgia, Michael

Abstract

A 3D printing apparatus and method includes a piezo actuator that reciprocates a tappet. The reciprocation of the tappet generates pressure within a chamber filled with molten print material. The generated pressure causes the molten print material to be extruded through a nozzle coupled to the chamber. The piezo actuator is controlled to switchably provide continuous extrusion of print material or extrusion of discrete droplets of print material.

IPC Classes  ?

  • B29C 64/209 - Heads; Nozzles
  • B29C 64/295 - Heating elements
  • B29C 64/321 - Feeding
  • B29C 64/35 - Cleaning
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

3.

APPARATUS AND METHOD FOR IDENTIFYING CRITICAL FEATURES USING MACHINE LEARNING

      
Application Number 18450641
Status Pending
Filing Date 2023-08-16
First Publication Date 2024-02-22
Owner Markforged, Inc. (USA)
Inventor
  • Jones, Bruce David
  • Benhaim, David Steven

Abstract

A 3D printing apparatus and method determines features based on design data of an object and at least one classification of a determined feature. The at least one classification includes a classification that the determined feature is a critical feature for the object. At least one print setting for forming the determined feature is modified based on the classification that the determined feature is a critical feature.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

4.

THE DIGITAL FORGE

      
Serial Number 98382807
Status Pending
Filing Date 2024-01-30
Owner Markforged, Inc. ()
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

Three dimensional (3D) printers Accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers; software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in analyzing 3D model geometry, additive deposition instructions, feedstock consumption, job cost, job duration, pricing, sharing, online displaying and ordering of parts, prototypes, and models for 3D designing, 3D printing, and manufacturing for personal and commercial use Semi-worked thermoplastic filaments used for 3D printing; Plastic filaments for 3D printing; Carbon fibers, other than for textile use Platform as a service (PaaS) services featuring computer software platform allowing users to upload part designs to a digital catalog, lock print and process parameters, and approve customer prints; Platform as a service (PaaS) services featuring computer software platform for OEMs upload part designs to a digital warehouse, where customers can find and purchase licenses to 3D print parts and customers can print parts or access a list of vetted print service providers for ordering printed parts at scale; Platform as a service (PaaS) services, namely, an artificial-intelligence (AI) and cognitive computing based software platform for additive manufacturing for querying, collecting and correlating data and presenting it together to diagnose/troubleshoot printer behavior, to improve and develop printers and materials, as well as enhancing customer support both internally and through our network of value-added partners; Providing temporary use of on-line, non-downloadable, cloud computing software using artificial intelligence, e.g., LLM, for machine learning in association with additive manufacturing for use in labeling and retaining data related to printers and materials so that it is available on demand as a user output.

5.

ANCHORS AND SKIRTS TO REDUCE PART WARPING

      
Application Number 18225321
Status Pending
Filing Date 2023-07-24
First Publication Date 2024-01-25
Owner MARKFORGED, INC. (USA)
Inventor
  • Kalweit, Nicholas
  • Walsh, Corey Hazeltine
  • Davis, Harrison
  • Rodrigues, Vinay Francis
  • Despopoulos, Agamemnon

Abstract

Methods of reducing warping of a printed part are disclosed. The method includes depositing a raft comprising a first printable material onto a build platen of a three-dimensional printer. The method includes depositing a support material comprising a second printable material onto the raft. The method further includes depositing an anchor comprising one or more anchor shells of the first printable material onto the raft. The anchor is deposited within the support material. The method further includes printing a part made from the first material above the support material. The securing the part to the anchor by depositing one or more skirt shells comprising the first printable material about the periphery of the part and onto the anchor. The anchor has substantially the same shape as the part.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B33Y 10/00 - Processes of additive manufacturing

6.

ADDITIVE MANUFACTURING PROCESS FOR FORMING A METAL PART USING CERAMIC SUPPORT AND BODIES FORMED THEREBY

      
Application Number 18147987
Status Pending
Filing Date 2022-12-29
First Publication Date 2024-01-11
Owner Markforged, Inc (USA)
Inventor
  • Seleznev, Maxim
  • Roy-Mayhew, Joseph

Abstract

A method of manufacturing a part formed of metal, a method of determining a ceramic support structure for the metal part, and an un-sintered metal part including the ceramic support. The method of manufacturing the part includes forming a metal part and forming a ceramic support by depositing a ceramic composite material in a pattern to form ceramic print layers. The ceramic support supports a supportable portion of the metal part. The method of determining the ceramic support structure for the metal part includes determining, (i) a composition of a ceramic filament used to produce the ceramic support or (ii) a geometry of an infill of the ceramic support such that the ceramic support has a strength sufficient to support the supportable portion prior to sintering and is deformable to allow the supportable portion to undergo geometric changes during sintering.

IPC Classes  ?

  • B22F 10/38 - Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
  • B22F 1/10 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
  • B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 80/00 - Products made by additive manufacturing
  • B22F 10/10 - Formation of a green body
  • B28B 1/00 - Producing shaped articles from the material
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance

7.

APPARATUS AND METHOD FOR EXTRUSION COMPENSATION IN 3D PRINTING

      
Application Number 17526128
Status Pending
Filing Date 2021-11-15
First Publication Date 2023-08-31
Owner Markforged, Inc. (USA)
Inventor Lawrence, David

Abstract

A 3D production apparatus and method that receives a 3D production file containing an extrusion control command for controlling an extruder mechanism. A corrected extrusion control command is generated based on the extrusion control command and a correction formula. The extruder mechanism is controlled in accordance with the corrected extrusion control command.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing

8.

APPARATUS AND METHOD FOR PERFORMING IN-PROCESS TESTING FOR VERIFICATION OF PRINT PARAMETERS IN A 3D PRINTING APPARATUS

      
Application Number 18156487
Status Pending
Filing Date 2023-01-19
First Publication Date 2023-07-20
Owner Markforged, Inc (USA)
Inventor
  • Jones, Bruce David
  • Klacza, Edward William
  • Benhaim, David Steven
  • Plummer, Arthur Edward

Abstract

A 3D printing apparatus and method confirms that one or more print parameters was satisfied in the printing of a 3D object. Sensor readings are obtained during the printing of the 3D object. Based on sensor data corresponding to the sensor readings, a confirmation is made as to whether the one or more print parameters was satisfied in the printing of the 3D object.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

9.

SYSTEMS AND METHODS FOR ADDITIVELY MANUFACTURING LEAK RESISTANT OBJECTS

      
Application Number 18179303
Status Pending
Filing Date 2023-03-06
First Publication Date 2023-06-29
Owner MARKFORGED, INC. (USA)
Inventor
  • Hoffman, Christopher
  • Wilson, Bennett Mcclelland
  • Macmullen, Angus
  • Lu, Yongguan
  • Walsh, Corey Hazeltine
  • Rodrigues, Vinay Francis
  • Imburgia, Michael
  • Ospina, Johan
  • Johnson, Casey
  • Seleznev, Maxim
  • Gallup, Benjamin Honsdon

Abstract

Systems and methods of additively manufacturing leak resistant objects are disclosed. Provided herein are methods of forming objects having walls and/or surfaces that are resistant to leaks. Objects disclosed are formed from or manufactured from compositions, including metals, polymers, and combinations thereof. Objects provided herein are made from methods of forming individual shells, forming of series shells, and layer-by-layer forming of objects. Further disclosed are methods of interconnecting shells, layers, and processes for transitioning therebetween the shells and layers.

IPC Classes  ?

  • B29C 64/141 - Processes of additive manufacturing using only solid materials

10.

APPARATUS AND METHOD FOR CALIBRATING FOR SKEW WITHOUT INDEPENDENT REFERENCE OBJECT AND FOR COMPENSATING FOR COEFFICIENT OF THERMAL EXPANSION AND MOISTURE ABSORPTION

      
Application Number 17979244
Status Pending
Filing Date 2022-11-02
First Publication Date 2023-05-11
Owner Markforged, Inc. (USA)
Inventor
  • Jones, Bruce David
  • Roy-Mayhew, Joseph
  • Faust, Jessica
  • Gallup, Benjamin
  • Benhaim, David Steven

Abstract

A 3D printing apparatus and method corrects for skew in the motion components of the apparatus without the use of an independent reference object. A calibration object having features therein or thereon is printed. A user rotates the calibration object by a certain angle after it is printed. The features in/on the calibration object are measured, and an amount of skew is determined based on the measurements. In addition, a 3D printing operation is compensated based on the effects of a coefficient of thermal expansion and/or moisture absorption on dimensional changes.

IPC Classes  ?

  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing

11.

MESHING OPERATION FOR REPRESENTING A 3D PRINTED OBJECT

      
Application Number 18078235
Status Pending
Filing Date 2022-12-09
First Publication Date 2023-04-06
Owner Markforged, Inc. (USA)
Inventor Selden, Jeffrey Lee

Abstract

A method for generating a more accurate mesh that represents a 3D printed part based on a model includes slicing the model into layers and identifying an infill-wall boundary and an exterior-interior boundary of each layer of the model. Layers of the model may be identified as critical by iterative comparison with adjacent layers. An interior voxel mesh may be constructed based on common two-dimensional reference grids imposed on the critical layers. The interior voxel mesh may be augmented to an augmented mesh and then extended to a protomesh. The protomesh may be extruded to construct the final mesh, which may be analyzed by finite element analysis. The part may be 3D printed based on the layers output by the slicing operation.

IPC Classes  ?

  • G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
  • B29C 64/205 - Means for applying layers
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • G06T 17/10 - Volume description, e.g. cylinders, cubes or using CSG [Constructive Solid Geometry]
  • G06F 30/23 - Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

12.

COMPUTER-GENERATED THREE-DIMENSIONAL DATA VISUALIZATION

      
Application Number 17955919
Status Pending
Filing Date 2022-09-29
First Publication Date 2023-04-06
Owner MARKFORGED, INC. (USA)
Inventor
  • Smith, Cole
  • Drysdale, Corinne
  • Jones, Bruce David
  • Benhaim, David Steven
  • Gallup, Benjamin Hodsdon

Abstract

Methods for generating a visualization of 3D data for a manufactured part are disclosed. The methods include scanning a part to obtain a digital representation, comparing the digital representation with a 3D model, and generating the visualization of the part having color and pattern shading to display portions of the part that topographically differ between the digital representation and the 3D model. Visualizations of 3D data for a manufactured part including a digital representation of the manufactured part as compared with a 3D model of the part are disclosed. The digital representation of the manufactured part illustrates the part having color and pattern shading to display portions of the part that topographically differ between the digital representation and the 3D model.

IPC Classes  ?

  • G06T 17/00 - 3D modelling for computer graphics
  • G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts

13.

SECURE THREE-DIMENSIONAL PRINT FILES

      
Application Number 17840514
Status Pending
Filing Date 2022-06-14
First Publication Date 2022-12-15
Owner MARKFORGED, INC. (USA)
Inventor
  • Lajeunesse, Nicholas Peter
  • Benhaim, David Steven
  • Plummer, Arthur Edward

Abstract

A system is provided for securely performing 3D printing. The system includes: (a) computing equipment configured to: (1) display a list of items available for 3D printing to a user; (2) receive a selection from the user of a particular item; (3) authenticate an acquisition of the particular item by the user; and (4) send, to a 3D printer of the user, a secure 3D print file that includes a description of 3D geometry of the particular item, a description of access restrictions for 3D printing of the particular item, and secure access controls preventing unauthorized access to 3D printing of the particular item; and (b) the 3D printer configured to: (1) authenticate that the user has acquired the particular item and validate that the access restrictions for 3D printing of the particular item do not restrict 3D printing of the particular item by the 3D printer; and (2) in response to authenticating and validating, construct the particular item using the description of 3D geometry of the particular item.

IPC Classes  ?

  • G06F 21/62 - Protecting access to data via a platform, e.g. using keys or access control rules
  • G06F 21/60 - Protecting data
  • G06F 21/31 - User authentication

14.

APPARATUS AND METHOD FOR PRODUCING A 3D PART USING IMPLICIT REPRESENTATION

      
Application Number 17715069
Status Pending
Filing Date 2022-04-07
First Publication Date 2022-10-20
Owner Markforged, Inc. (USA)
Inventor Walsh, Corey Hazeltine

Abstract

A 3D production apparatus and method that receives a 3D production file, the 3D production file containing at least one positional command defined based on an implicit representation, the at least one positional command including at least one parameter of the implicit representation. At least one tool command is generated based on the parameters of the implicit representation. A position of a tool is controlled based on the generated at least one tool command, to produce at least a portion of a 3D part corresponding to the 3D production file.

IPC Classes  ?

  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • G05B 19/18 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • G05B 19/414 - Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
  • G05B 19/4093 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine

15.

3D PRINTING AND MEASUREMENT APPARATUS AND METHOD

      
Application Number 17828611
Status Pending
Filing Date 2022-05-31
First Publication Date 2022-09-15
Owner Markforged, Inc (USA)
Inventor
  • Jones, Bruce David
  • Walsh, Corey Hazeltine
  • Lu, Yongquan
  • Su, Maggie

Abstract

A method of 3D printing an object includes receiving design information corresponding to an object for which a printed object is to be generated by a 3D printing operation according to a first set of print instructions, generating a plurality of measurement locations, printing successive layers which form the object, measuring the object at the measurement locations to form measurement data, comparing the measurement data with expected measurements of the measurement locations based on the design information, and generating, based on the comparing, deviation information. The measurement locations represent locations of the object to be measured by a measurement device. The deviation information represents deviations between the printed object following completion of the printing, and the object represented by the design information.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
  • G06F 30/20 - Design optimisation, verification or simulation
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

16.

Z-SCALE AND MISALIGNMENT CALIBRATION FOR 3D PRINTING

      
Application Number 17577596
Status Pending
Filing Date 2022-01-18
First Publication Date 2022-07-21
Owner Markforged, Inc (USA)
Inventor Jones, Bruce David

Abstract

A 3D printing apparatus includes a distance measurement portion that detects the height of a build platen having its height controlled by a displacement control portion. The apparatus detects a Z-scale error by displacing the build platen between at least two different set heights, detecting the heights of the build platen at each set height, and calculating the Z-scale error.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/268 - Arrangements for irradiation using electron beams [EB]
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
  • B22F 10/30 - Process control
  • B22F 12/90 - Means for process control, e.g. cameras or sensors
  • B22F 12/49 - Scanners

17.

COMPOSITES, TOOLING, DIES AND METHODS OF MANUFACTURING THEREOF

      
Application Number 17496310
Status Pending
Filing Date 2021-10-07
First Publication Date 2022-06-02
Owner MARKFORGED, INC. (USA)
Inventor
  • Seleznev, Maxim
  • Roy-Mayhew, Joseph

Abstract

Metal composites, tooling and methods of additively manufacturing these are disclosed. Metal objects and structures as provided herein are additively manufactured from metal having an infill pattern infiltrated with a metal powder. Also provided herein are methods of forming such objects and structures. Methods include additively manufacturing a metal structure having an interior printed using an infill. Steps can further include infiltrating the printed infill of the structure with a powder metal thereby forming a composite.

IPC Classes  ?

  • B22F 10/18 - Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • B22F 10/66 - Treatment of workpieces or articles after build-up by mechanical means

18.

TENSILEMANIA

      
Serial Number 97423519
Status Pending
Filing Date 2022-05-23
Owner Markforged, Inc. ()
NICE Classes  ? 41 - Education, entertainment, sporting and cultural services

Goods & Services

Arranging of contests; Entertainment services, namely, conducting contests; Educational testing services

19.

ONYX PRO

      
Serial Number 97307799
Status Registered
Filing Date 2022-03-11
Registration Date 2023-04-25
Owner Markforged, Inc. ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Three dimensional (3D) printers

20.

ONYX

      
Serial Number 97307745
Status Registered
Filing Date 2022-03-11
Registration Date 2023-04-18
Owner Markforged, Inc. ()
NICE Classes  ? 17 - Rubber and plastic; packing and insulating materials

Goods & Services

Semi-worked thermoplastic filaments used for 3D printing; Plastic filaments for 3D printing; Carbon fibers, other than for textile use

21.

ONYX ONE

      
Serial Number 97307760
Status Registered
Filing Date 2022-03-11
Registration Date 2023-04-18
Owner Markforged, Inc. ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Three dimensional (3D) printers

22.

COMPOSITES, TOOLING AND METHODS OF MANUFACTURING THEREOF

      
Application Number 17376689
Status Pending
Filing Date 2021-07-15
First Publication Date 2022-01-20
Owner MARKFORGED, INC. (USA)
Inventor
  • Seleznev, Maxim
  • Roy-Mayhew, Joseph

Abstract

Metal composites, tooling and methods of additively manufacturing these are disclosed. Metal objects and structures as provided herein are additively manufactured from metal having an infill pattern infiltrated with a second metal. Also provided herein are methods of forming such objects and structures. Methods include additively manufacturing a metal structure having an interior printed using an infill. Steps can further include infiltrating the printed infill of the structure with a liquid metal thereby forming a bi-metal composite.

IPC Classes  ?

  • B22F 10/60 - Treatment of workpieces or articles after build-up
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B33Y 80/00 - Products made by additive manufacturing
  • B22C 9/10 - Cores; Manufacture or installation of cores
  • B22F 10/18 - Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
  • B33Y 10/00 - Processes of additive manufacturing

23.

Three dimensional printing

      
Application Number 17476915
Grant Number 11759990
Status In Force
Filing Date 2021-09-16
First Publication Date 2022-01-06
Grant Date 2023-09-19
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an extrusion nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to extruding the filament from the extrusion nozzle.

IPC Classes  ?

  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 48/154 - Coating solid articles, i.e. non-hollow articles
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 48/92 - Measuring, controlling or regulating
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 64/209 - Heads; Nozzles
  • B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B29B 15/14 - Coating or impregnating of reinforcements of indefinite length of filaments or wires
  • B29C 48/05 - Filamentary, e.g. strands
  • B29C 48/25 - Component parts, details or accessories; Auxiliary operations
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns

24.

THREE DIMENSIONAL PRINTING OF COMPOSITE REINFORCED STRUCTURES

      
Application Number 17477102
Status Pending
Filing Date 2021-09-16
First Publication Date 2022-01-06
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into a conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B29K 307/04 - Carbon
  • B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material

25.

Scanning print bed and part height in 3D printing

      
Application Number 17183717
Grant Number 11577462
Status In Force
Filing Date 2021-02-24
First Publication Date 2021-12-16
Grant Date 2023-02-14
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In in-process inspection or calibration of a print bed or 3D printed part with a 3D printer, toolpaths defining printing material shells for deposition by a 3D printer are compared to surface profile scans from a range scanner to identify differences between the print bed, instructed deposition and the measured result, permitting pausing or alteration of the toolpaths or printing process.

IPC Classes  ?

  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/321 - Feeding
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29K 105/00 - Condition, form or state of moulded material
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

26.

SYSTEMS AND METHODS FOR ADDITIVELY MANUFACTURING LEAK RESISTANT OBJECTS

      
Application Number 17176940
Status Pending
Filing Date 2021-02-16
First Publication Date 2021-08-19
Owner MARKFORGED, INC. (USA)
Inventor
  • Hoffman, Christopher
  • Wilson, Bennett Mcclelland
  • Macmullen, Angus
  • Lu, Yongquan
  • Walsh, Corey Hazeltine
  • Rodrigues, Vinay Francis

Abstract

Systems and methods of additively manufacturing leak resistant objects are disclosed. Provided herein are methods of forming objects having walls and/or surfaces that are resistant to leaks. Objects disclosed are formed from or manufactured from compositions, including metals, polymers, and combinations thereof. Objects provided herein are made from methods of forming individual shells, forming of series shells, and layer-by-layer forming of objects. Further disclosed are methods of interconnecting shells, layers, and processes for transitioning therebetween the shells and layers.

IPC Classes  ?

  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/364 - Conditioning of environment
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

27.

System, apparatus, and methods for managing sintering supports

      
Application Number 17145695
Grant Number 11701710
Status In Force
Filing Date 2021-01-11
First Publication Date 2021-07-15
Grant Date 2023-07-18
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Hoffman, Christopher
  • Gallup, Benjamin Hodsdon
  • Seleznev, Maxim
  • Chao, Michelle Ling

Abstract

Systems, apparatus and methods of additively manufacturing objects are disclosed. Specifically, provided herein are methods of heating objects having a particle-based support at least partially surrounding the object during portions of stages of the heating. Additionally, systems, apparatus, and methods for removing the particle-based support during heating, such that the object can continue heating to form a final part. Systems, apparatus, and methods for distributing the particle-based support to shore the objects through heating are disclosed. Systems, apparatus, and methods for removing the particle-based support are also disclosed herein.

IPC Classes  ?

  • B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
  • B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
  • B22F 10/68 - Cleaning or washing
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 10/43 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by material
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B22F 10/66 - Treatment of workpieces or articles after build-up by mechanical means
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

28.

SINTERABLE SEPARATION MATERIAL IN ADDITIVE MANUFACTURING

      
Application Number 17060916
Status Pending
Filing Date 2020-10-01
First Publication Date 2021-07-01
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan
  • Chao, Michelle Ling

Abstract

According to one aspect, embodiments of the invention provide a method of 3D printing, comprising depositing a model material in successive layers to form a part, the model material being a metal composite including greater than 50% by volume metal powder and less than 50% by volume a first removable binder, depositing the model material in successive layers to form a support structure adjacent the part, depositing a sinterable separation material between a surface of the part and a surface of the support structure, the sinterable separation material formed from 10-40% by volume ceramic powder and greater than 50% by volume a second removable binder, debinding the first removable binder of the model material and the second removable binder of the sinterable separation material, and sintering the part, the support structure, and the sinterable separation material at a temperature profile that sinters the model material and the sinterable separation material.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 64/245 - Platforms or substrates
  • B29C 64/295 - Heating elements
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

29.

Scanning print bed and part height in 3D printing

      
Application Number 15459965
Grant Number 10953609
Status In Force
Filing Date 2017-03-15
First Publication Date 2021-03-23
Grant Date 2021-03-23
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In in-process inspection or calibration of a print bed or 3D printed part with a 3D printer, toolpaths defining printing material shells for deposition by a 3D printer are compared to surface profile scans from a range scanner to identify differences between the print bed, instructed deposition and the measured result, permitting pausing or alteration of the toolpaths or printing process.

IPC Classes  ?

  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29K 105/00 - Condition, form or state of moulded material

30.

Methods of increasing density of 3D-printed and sintered parts

      
Application Number 16999313
Grant Number 11707781
Status In Force
Filing Date 2020-08-21
First Publication Date 2021-02-25
Grant Date 2023-07-25
Owner MARKFORGED, INC. (USA)
Inventor
  • Seleznev, Maxim
  • Roy-Mayhew, Joseph

Abstract

A material for producing a three-dimensionally printed part including a metal material and at least one sintering aid in an amount effective to give the three-dimensionally printed part a density of between about 90% and about 100% after sintering is disclosed. A method of printing a three-dimensional part including selecting a metal material, incorporating at least one sintering aid into the metal material to form a print material, and printing the three-dimensional part is also disclosed. A method of producing a sintered metal part including providing a metal material for the sintered metal part incorporating boron as a first sintering aid, incorporating phosphorus as a second sintering aid, forming the metal part in a predetermined form the metal material, and heating the formed metal part to a sintering temperature is also disclosed. Three-dimensionally printed parts are also disclosed.

IPC Classes  ?

  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B22F 3/10 - Sintering only
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B22F 1/10 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
  • B22F 5/08 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of cam discs

31.

CATALYTIC THERMAL DEBIND FURNACES WITH FEEDBACK CONTROL

      
Application Number 16897529
Status Pending
Filing Date 2020-06-10
First Publication Date 2020-12-17
Owner Markforged, Inc. (USA)
Inventor
  • Chao, Michelle
  • Durand, Keith
  • Woodruff, Rick Bryan
  • Gallup, Benjamin Hodsdon

Abstract

Apparatus and methods for debinding articles. The apparatus and methods may transform binder from furnace exhaust before the exhaust is discharged to the atmosphere. The apparatus may include a furnace retort and a reactor. The furnace retort may be configured to: exclude ambient air; and receive a carrier gas. The reactor may be configured to: receive from the retort (a) the carrier gas and (b) material removed in the retort from the article; and combust, at a temperature no greater than 750° C., the material. The material may be decomposed binder. The material may be hydrocarbon from binder that is pyrolyzed in the retort. The carrier gas may include gas that is nonflammable gas.

IPC Classes  ?

  • F23G 7/06 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
  • F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices
  • F27B 5/14 - Arrangements of heating devices
  • F27D 17/00 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases
  • F23G 7/07 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor

32.

Manufacturing optimization using a multi-tenant machine learning platform

      
Application Number 16883487
Grant Number 11520322
Status In Force
Filing Date 2020-05-26
First Publication Date 2020-11-26
Grant Date 2022-12-06
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Walsh, Corey Hazeltine
  • Jones, Bruce David

Abstract

Techniques for manufacturing optimization using a multi-tenant machine learning platform are disclosed. A method for manufacturing optimization includes: obtaining physical sensor data, by a manufacturing device associated with a tenant of a multi-tenant machine learning platform; determining, by a machine learning spoke system associated with the tenant, a machine learning parameter based on at least the physical sensor data; preventing exposure of the first physical sensor data of the first manufacturing device to any other tenant of the multi-tenant machine learning platform; transmitting the machine learning parameter from the machine learning spoke system to a machine learning hub system of the multi-tenant machine learning platform; and updating, by the machine learning hub system, a multi-tenant machine learning model based at least on the machine learning parameter.

IPC Classes  ?

  • G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
  • G06N 20/20 - Ensemble learning
  • G05B 19/4155 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme

33.

3D printing and measurement apparatus and method

      
Application Number 16876496
Grant Number 11383451
Status In Force
Filing Date 2020-05-18
First Publication Date 2020-11-19
Grant Date 2022-07-12
Owner Markforged, Inc. (USA)
Inventor
  • Jones, Bruce David
  • Walsh, Corey Hazeltine
  • Lu, Yongquan
  • Su, Maggie

Abstract

A method of 3D printing an object includes receiving design information corresponding to an object for which a printed object is to be generated by a 3D printing operation according to a first set of print instructions, generating a plurality of measurement locations, printing successive layers which form the object, measuring the object at the measurement locations to form measurement data, comparing the measurement data with expected measurements of the measurement locations based on the design information, and generating, based on the comparing, deviation information. The measurement locations represent locations of the object to be measured by a measurement device. The deviation information represents deviations between the printed object following completion of the printing, and the object represented by the design information.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
  • G06F 30/20 - Design optimisation, verification or simulation
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

34.

Apparatus for fiber reinforced additive manufacturing

      
Application Number 16840868
Grant Number 11420382
Status In Force
Filing Date 2020-04-06
First Publication Date 2020-10-15
Grant Date 2022-08-23
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Methods for additive manufacturing using a three-dimensional printer including at least one linear feed mechanism and a print head positioned proximate a build platen are disclosed. The methods include a step of providing and/or feeding an unmelted fiber reinforced composite filament at a feed rate by the at least one linear feed mechanism. The methods include heating the filament to a temperature at which a matrix material therein flows within at least one rounded outlet of the print head. The methods include moving the print head and the build platen relative to one another at a printing rate. The methods include applying a spreading force to the filament between the at least one rounded outlet of the print head and the build platen. The methods include a step of controlling a differential in the feed rate and printing rate using the at least one linear feed mechanism so that the feed rate and the printing rate are substantially the same.

IPC Classes  ?

  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/321 - Feeding
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/295 - Heating elements

35.

METHOD FOR MINIMIZING STRESS-RELATED DEFORMATIONS IN 3D PRINTED AND SINTERED PARTS

      
Application Number 16674246
Status Pending
Filing Date 2019-11-05
First Publication Date 2020-04-16
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan

Abstract

A method for printing three-dimensional parts includes building a three-dimensional part by printing counter-wound slices. By winding adjacent slices in alternating directions, offsetting stored torques can be produced for each printed slice. The stored torques then neutralize one another during the debinding and sintering process, reducing part twists and deformations.

IPC Classes  ?

  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
  • B22F 3/10 - Sintering only
  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing

36.

Supports for sintering additively manufactured parts

      
Application Number 16550979
Grant Number 11173550
Status In Force
Filing Date 2019-08-26
First Publication Date 2020-03-12
Grant Date 2021-11-16
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a method of reducing distortion in an additively manufactured part comprising forming a shrinking platform from a composite including metal particles embedded in a first matrix, forming shrinking supports from the composite, forming a part from the composite upon the shrinking platform and shrinking supports, forming an interior structure in at least one of the shrinking platform, the shrinking supports, and the part having a plurality of chambers with interconnections therebetween, forming from the shrinking platform, the sintering supports, and the part a portable assembly, and debinding the first matrix in the portable assembly to form a portable assembly in a brown state, wherein debinding the first matrix includes penetrating a fluid debinder into the interior structure of the at least one of the shrinking platform, the shrinking supports, and the part to debind the first matrix from within the interior structure.

IPC Classes  ?

  • B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
  • B29C 64/245 - Platforms or substrates
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B22F 10/10 - Formation of a green body
  • B22F 10/43 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by material
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29C 64/295 - Heating elements
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials

37.

FLEXIBLE FEEDSTOCK

      
Application Number US2019039203
Publication Number 2020/006054
Status In Force
Filing Date 2019-06-26
Publication Date 2020-01-02
Owner MARKFORGED, INC. (USA)
Inventor
  • Roy-Mayhew, Joseph
  • Farrell, Zachary

Abstract

A flexible 3D printing feedstock material is disclosed. The flexible 3D printing feedstock material includes 45-80 vol% of a powder having at least one of a metal powder and a ceramic powder, 0-5 vol% of a compatibilizer, 10-35 vol% of a soluble flexibilizer, and 5-35 vol% of a non- soluble binder component. Methods of forming the flexible 3D printing feedstock material by melt mixing the components are disclosed. Methods of producing a 3D printed part by operating a fused deposition modeling 3D printer loaded with a filament formed of the 3D printing feedstock material are also disclosed.

IPC Classes  ?

38.

Flexible feedstock

      
Application Number 16453133
Grant Number 11866374
Status In Force
Filing Date 2019-06-26
First Publication Date 2019-12-26
Grant Date 2024-01-09
Owner MARKFORGED, INC. (USA)
Inventor
  • Roy-Mayhew, Joseph
  • Farrell, Zachary

Abstract

A flexible 3D printing feedstock material is disclosed. The flexible 3D printing feedstock material includes 45-80 vol % of a powder having at least one of a metal powder and a ceramic powder, 0-5 vol % of a compatibilizer, 10-35 vol % of a soluble flexibilizer, and 5-35 vol % of a non-soluble binder component. Methods of forming the flexible 3D printing feedstock material by melt mixing the components are disclosed. Methods of producing a 3D printed part by operating a fused deposition modeling 3D printer loaded with a filament formed of the 3D printing feedstock material are also disclosed.

IPC Classes  ?

  • B22F 1/103 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
  • B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
  • C04B 35/634 - Polymers
  • B28B 1/00 - Producing shaped articles from the material
  • C04B 35/626 - Preparing or treating the powders individually or as batches
  • B33Y 40/10 - Pre-treatment
  • B22F 10/18 - Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
  • B22F 1/10 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
  • B33Y 80/00 - Products made by additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B22F 12/17 - Auxiliary heating means to heat the build chamber or platform
  • B22F 12/55 - Two or more means for feeding material

39.

Molten metal jetting for additive manufacturing

      
Application Number 16427448
Grant Number 10589352
Status In Force
Filing Date 2019-05-31
First Publication Date 2019-12-12
Grant Date 2020-03-17
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In molten metal jetting, where droplets of metal are jetted to 3D print a part, each layer may be traversed each successive layer with a normalizing grinding wheel or other leveling device such as a layer to level each successive layer, and/or the melt reservoir or printing chamber may be filled with an anoxic gas mix to prevent oxidation.

IPC Classes  ?

  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
  • B22D 11/01 - Continuous casting of metals, i.e. casting in indefinite lengths without moulds, e.g. on molten surfaces
  • B22D 27/00 - Treating the metal in the mould while it is molten or ductile
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma

40.

SINTERABLE SEPARATION MATERIAL IN ADDITIVE MANUFACTURING

      
Application Number US2019033592
Publication Number 2019/226815
Status In Force
Filing Date 2019-05-22
Publication Date 2019-11-28
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory, Thomas
  • Woodruff, Rick, Bryan
  • Chao, Michelle, Ling

Abstract

According to one aspect, embodiments of the invention provide a method of 3D printing, comprising depositing a model material in successive layers to form a part, the model material being a metal composite including greater than 50% by volume metal powder and less than 50% by volume a first removable binder, depositing the model material in successive layers to form a support structure adjacent the part, depositing a sinterable separation material between a surface of the part and a surface of the support structure, the sinterable separation material formed from 10-40% by volume ceramic powder and greater than 50% by volume a second removable binder, debinding the first removable binder of the model material and the second removable binder of the sinterable separation material, and sintering the part, the support structure, and the sinterable separation material at a temperature profile that sinters the model material and the sinterable separation material.

IPC Classes  ?

  • B22F 3/12 - Both compacting and sintering
  • B22F 3/115 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor by spraying molten metal, i.e. spray sintering, spray casting
  • B22F 3/10 - Sintering only

41.

System and method for minimizing deviations in 3D printed and sintered parts

      
Application Number 16394516
Grant Number 10814558
Status In Force
Filing Date 2019-04-25
First Publication Date 2019-10-31
Grant Date 2020-10-27
Owner MARKFORGED, INC. (USA)
Inventor Parangi, Abraham Lawrence

Abstract

According to various aspects and embodiments described herein, a method for optimizing a three-dimensional (3D) printing process comprises receiving 3D data characterizing a target 3D part, generating a 3D part mesh based on the received 3D data, generating a Signed Distance Field (SDF) based on the 3D part mesh, performing a predictive analysis using the SDF to generate a predicted error field, calculating a correction field based on the predicted error field, applying the correction field to the 3D part mesh to produce a corrected 3D part mesh, creating a corrected 3D print profile using the corrected 3D part mesh, outputting the corrected 3D print profile to a 3D printing device, and printing a corrected 3D part using the 3D printing device and the corrected 3D print profile.

IPC Classes  ?

  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting

42.

SYSTEM AND METHOD FOR MINIMIZING DEVIATIONS IN 3D PRINTED AND SINTERED PARTS

      
Application Number US2019029113
Publication Number 2019/210056
Status In Force
Filing Date 2019-04-25
Publication Date 2019-10-31
Owner MARKFORGED, INC. (USA)
Inventor Parangi, Abraham Lawrence

Abstract

According to various aspects and embodiments described herein, a method for optimizing a three-dimensional (3D) printing process comprises receiving 3D data characterizing a target 3D part, generating a 3D part mesh based on the received 3D data, generating a Signed Distance Field (SDF) based on the 3D part mesh, performing a predictive analysis using the SDF to generate a predicted error field, calculating a correction field based on the predicted error field, applying the correction field to the 3D part mesh to produce a corrected 3D part mesh, creating a corrected 3D print profile using the corrected 3D part mesh, outputting the corrected 3D print profile to a 3D printing device, and printing a corrected 3D part using the 3D printing device and the corrected 3D print profile.

IPC Classes  ?

  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
  • B33Y 50/00 - Data acquisition or data processing for additive manufacturing

43.

Sinterable separation material in additive manufacturing

      
Application Number 16419776
Grant Number 10800108
Status In Force
Filing Date 2019-05-22
First Publication Date 2019-09-05
Grant Date 2020-10-13
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan
  • Chao, Michelle Ling

Abstract

According to one aspect, embodiments of the invention provide a method of 3D printing, comprising depositing a model material in successive layers to form a part, the model material being a metal composite including greater than 50% by volume metal powder and less than 50% by volume a first removable binder, depositing the model material in successive layers to form a support structure adjacent the part, depositing a sinterable separation material between a surface of the part and a surface of the support structure, the sinterable separation material formed from 10-40% by volume ceramic powder and greater than 50% by volume a second removable binder, debinding the first removable binder of the model material and the second removable binder of the sinterable separation material, and sintering the part, the support structure, and the sinterable separation material at a temperature profile that sinters the model material and the sinterable separation material.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 64/245 - Platforms or substrates
  • B29C 64/295 - Heating elements
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 64/209 - Heads; Nozzles
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma

44.

SINTERING FURNACE

      
Application Number US2019018233
Publication Number 2019/161214
Status In Force
Filing Date 2019-02-15
Publication Date 2019-08-22
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a furnace for debinding and sintering additively manufactured parts comprising a unitarily formed retort having at least one open side, a heater for heating a sintering volume within the retort to a debinding temperature and to a sintering temperature, an end cap sealing the at least one open side, a forming gas line penetrating the end cap for supplying forming gas at a flowrate, and a heat exchanger within the retort, outside the sintering volume, and adjacent a heated wall of the retort, the heat exchanger having an inlet connected to the forming gas line and an outlet to the sintering volume, wherein the heat exchanger includes a heat exchange tube length sufficient to heat the forming gas to within 20 degrees Celsius of the sintering temperature before the forming gas exits the outlet.

IPC Classes  ?

  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

45.

Sintering furnace

      
Application Number 16277100
Grant Number 11913724
Status In Force
Filing Date 2019-02-15
First Publication Date 2019-08-22
Grant Date 2024-02-27
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a furnace for debinding and sintering additively manufactured parts comprising a unitarily formed retort having at least one open side, a heater for heating a sintering volume within the retort to a debinding temperature and to a sintering temperature, an end cap sealing the at least one open side, a forming gas line penetrating the end cap for supplying forming gas at a flowrate, and a heat exchanger within the retort, outside the sintering volume, and adjacent a heated wall of the retort, the heat exchanger having an inlet connected to the forming gas line and an outlet to the sintering volume, wherein the heat exchanger includes a heat exchange tube length sufficient to heat the forming gas to within 20 degrees Celsius of the sintering temperature before the forming gas exits the outlet.

IPC Classes  ?

  • F27B 17/00 - Furnaces of a kind not covered by any of groups
  • B22F 3/10 - Sintering only
  • B29C 64/295 - Heating elements
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • C04B 35/64 - Burning or sintering processes
  • B22F 10/12 - Formation of a green body by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
  • B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
  • B22F 10/18 - Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
  • B22F 10/43 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by material
  • B22F 10/73 - Recycling of powder
  • B22F 10/80 - Data acquisition or data processing
  • B22F 12/55 - Two or more means for feeding material
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber

46.

THREE DIMENSIONAL PRINTING

      
Application Number 16134451
Status Pending
Filing Date 2018-09-18
First Publication Date 2019-08-01
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an extrusion nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to extruding the filament from the extrusion nozzle.

IPC Classes  ?

  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B29B 15/14 - Coating or impregnating of reinforcements of indefinite length of filaments or wires
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B29C 48/154 - Coating solid articles, i.e. non-hollow articles
  • B29C 48/92 - Measuring, controlling or regulating

47.

Three dimensional printer with composite filament fabrication

      
Application Number 16161822
Grant Number 10953610
Status In Force
Filing Date 2018-10-16
First Publication Date 2019-07-18
Grant Date 2021-03-23
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/30 - Auxiliary operations or equipment
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
  • B29K 105/00 - Condition, form or state of moulded material
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29K 307/04 - Carbon

48.

Impregnation system for composite filament fabrication in three dimensional printing

      
Application Number 16134766
Grant Number 11504892
Status In Force
Filing Date 2018-09-18
First Publication Date 2019-07-18
Grant Date 2022-11-22
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29K 105/16 - Fillers
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
  • B29C 64/194 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control during lay-up
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29K 307/04 - Carbon
  • B33Y 80/00 - Products made by additive manufacturing

49.

Miscellaneous Design

      
Application Number 1472474
Status Registered
Filing Date 2019-04-03
Registration Date 2019-04-03
Owner Markforged, Inc. (USA)
NICE Classes  ?
  • 06 - Common metals and ores; objects made of metal
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

Common metals in powder form mixed with thermal plastics for 3D printers. 3D printers; accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers. Software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in analyzing 3D model geometry, additive deposition instructions, feedstock consumption, job cost, job duration, pricing, sharing, online displaying and ordering of parts, prototypes, and models for 3D designing, 3D printing, and manufacturing for personal and commercial use. Semi-worked thermoplastic substances in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics; sintering composite materials in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics; fiber reinforced plastics; carbon fibers not for textile use; plastic fibers not for textile use; ceramic powder mixed with thermal plastics for use in 3D printing of ceramic articles and in feedstocks for 3D printing of ceramic articles; filament, prepreg and tow forms for use in 3D printers to create 3D embodiments of computer-generated designs. Software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet.

50.

Supports for sintering additively manufactured parts

      
Application Number 16267671
Grant Number 10391714
Status In Force
Filing Date 2019-02-05
First Publication Date 2019-06-06
Grant Date 2019-08-27
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a method of reducing distortion in an additively manufactured part comprising forming a shrinking platform from a composite including metal particles embedded in a first matrix, forming shrinking supports from the composite, forming a part from the composite upon the shrinking platform and shrinking supports, forming an interior structure in at least one of the shrinking platform, the shrinking supports, and the part having a plurality of chambers with interconnections therebetween, forming from the shrinking platform, the sintering supports, and the part a portable assembly, and debinding the first matrix in the portable assembly to form a portable assembly in a brown state, wherein debinding the first matrix includes penetrating a fluid debinder into the interior structure of the at least one of the shrinking platform, the shrinking supports, and the part to debind the first matrix from within the interior structure.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/295 - Heating elements
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/245 - Platforms or substrates
  • B22F 3/11 - Making porous workpieces or articles
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

51.

Methods for fiber reinforced additive manufacturing

      
Application Number 16055483
Grant Number 10821662
Status In Force
Filing Date 2018-08-06
First Publication Date 2019-06-06
Grant Date 2020-11-03
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an extrusion nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to extruding the filament from the extrusion nozzle.

IPC Classes  ?

  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 64/321 - Feeding
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns

52.

3D PRINTING INTERNAL FREE SPACE

      
Application Number US2018056683
Publication Number 2019/079704
Status In Force
Filing Date 2018-10-19
Publication Date 2019-04-25
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

For 3D printing green parts to be debound and sintered, a binder may be jetted into successive layers of sinterable powder feedstock to build up a 3D shape of a desired 3D green part, associated sintering supports, and an associated shrinking platform. A release material may be deposited to intervene between the 3D green parts and the sintering supports. A placeholder material may be deposited upon bound powder to form 2D layer shapes of placeholder material, and the sinterable powder feedstock refilled and leveled about the placeholder material. Upon debinding, internal cavities corresponding to the 3D shapes of the placeholder material are formed.

IPC Classes  ?

  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing

53.

Three dimensional printing

      
Application Number 16031564
Grant Number 10717228
Status In Force
Filing Date 2018-07-10
First Publication Date 2019-04-11
Grant Date 2020-07-21
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 307/04 - Carbon

54.

Supports for sintering additively manufactured parts

      
Application Number 16057730
Grant Number 10556384
Status In Force
Filing Date 2018-08-07
First Publication Date 2019-03-21
Grant Date 2020-02-11
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A method comprising depositing, in layers, a shrinking platform formed from a composite including metal particles embedded in a first matrix, depositing shrinking supports of the composite upon the shrinking platform, forming a separation clearance dividing at least one shrinking support into fragments, depositing, from the composite, a part upon the shrinking platform and shrinking supports, depositing a separation material intervening between the part and the shrinking supports, the separation material including a ceramic powder and a second matrix, and forming, from the shrinking platform, shrinking supports, separation material, and part, a portable platform assembly in a green state, wherein the shrinking support is configured to prevent the portable platform assembly from distorting from gravitational force during sintering of the metal particles of the assembly in a brown state, and wherein the ceramic powder of the separation material is configured to separate the shrinking support from the part following sintering.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/295 - Heating elements
  • B29C 64/245 - Platforms or substrates
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 64/209 - Heads; Nozzles
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma

55.

Mid-part in-process inspection for 3D printing

      
Application Number 16108870
Grant Number 11014305
Status In Force
Filing Date 2018-08-22
First Publication Date 2019-01-10
Grant Date 2021-05-25
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a method for in-process inspection of a 3D printed part with a 3D printer, comprising slicing a three dimensional model to define a plurality of shell volumes, for substantially each shell volume, generating a toolpath for depositing a printing material shell corresponding to the shell volume, transmitting, together with an identification, the toolpaths defining the printing material shells for deposition by a 3D printer, receiving, together with the identification, from the 3D printer a scanned surface profile of a printing material shell, and computing a process inspection including, according to the identification, a comparison between a received scanned surface profile and a toolpath defining a printing material shell.

IPC Classes  ?

  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 64/321 - Feeding
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B29C 64/209 - Heads; Nozzles
  • B29K 105/00 - Condition, form or state of moulded material
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

56.

Additively manufactured part including a compacted fiber reinforced composite filament

      
Application Number 15966654
Grant Number 10434702
Status In Force
Filing Date 2018-04-30
First Publication Date 2018-12-06
Grant Date 2019-10-08
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

According to one aspect, embodiments of the invention provide an additively manufactured part, comprising a top portion, a bottom portion, and a plurality of compacted composite filaments arranged in layers between the top portion and the bottom portion, each compacted composite filament including one or more axial fiber strands, wherein the plurality of compacted composite filaments includes a first compacted composite filament located in a first layer and a second compacted composite filament located in a second layer, the first layer being located closer to the bottom portion than the second layer, and wherein the second compacted composite filament layer is compressed against the first compacted composite filament, forming a vertically bonded rank in which the one or more axial fiber strands of the second compacted composite filament intrudes into the first compacted composite filament.

IPC Classes  ?

  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 64/194 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control during lay-up
  • B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 48/92 - Measuring, controlling or regulating
  • B29C 48/02 - Small extruding apparatus, e.g. handheld, toy or laboratory extruders
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor

57.

Miscellaneous Design

      
Serial Number 88209527
Status Registered
Filing Date 2018-11-28
Registration Date 2019-06-25
Owner Markforged, Inc. ()
NICE Classes  ?
  • 06 - Common metals and ores; objects made of metal
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

common metals in powder form mixed with thermal plastics for 3D printers 3D printers accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers; software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in analyzing 3D model geometry, additive deposition instructions, feedstock consumption, job cost, job duration, pricing, sharing, online displaying and ordering of parts, prototypes, and models for 3D designing, 3D printing, and manufacturing for personal and commercial use semi-worked thermoplastic substances in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics; sintering composite materials in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics;fiber reinforced plastics; carbon fibers not for textile use; plastic fibers not for textile use; ceramic powder mixed with thermal plastics for use in 3D printing of ceramic articles and in feedstocks for 3D printing of ceramic articles; filament, prepreg and tow forms for use in 3D printers to create 3D embodiments of computer-generated designs software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet

58.

RAPID DEBINDING VIA INTERNAL FLUID CHANNELS

      
Application Number US2018031976
Publication Number 2018/209029
Status In Force
Filing Date 2018-05-10
Publication Date 2018-11-15
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

Successive layers of a wall of a part are deposited to form a first access channel extending from an exterior of the part to an interior of the part, as well as to form a distribution channel connecting an interior volume of the honeycomb infill to the first access channel. A binder matrix retaining sinterable powder is debound by flowing a debinding fluid through the first access channel and the distribution channel within the interior volume of the honeycomb infill.

IPC Classes  ?

  • B29C 64/159 - Processes of additive manufacturing using only gaseous substances, e.g. vapour deposition
  • B29C 64/205 - Means for applying layers
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

59.

SINTERING ADDITIVELY MANUFACTURED PARTS IN MICROWAVE OVEN

      
Application Number US2018029125
Publication Number 2018/200512
Status In Force
Filing Date 2018-04-24
Publication Date 2018-11-01
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

A method comprising supplying a first material containing a removable binder and greater than 50% volume fraction of a powdered metal having a melting point greater than 1200 degrees C, in which more than 50% of powder particles of the powdered metal have a diameter less than 10 microns, additively depositing the first material in successive layers to form a green body, removing the binder to form a brown body, loading the brown part into a fused tube formed from a second material having an operating temperature less than substantially 1200 degrees C, a thermal expansion coefficient lower than lxlO-6/°C, and a microwave field penetration depth of 10 m or higher, sealing the fused tube and replacing internal air with a sintering atmosphere, applying microwave energy from outside the sealed fused tube to the brown part, and sintering the brown part at a temperature lower than 1200 degrees C.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

60.

SINTERING ADDITIVELY MANUFACTURED PARTS IN MICROWAVE OVEN

      
Application Number US2018029129
Publication Number 2018/200515
Status In Force
Filing Date 2018-04-24
Publication Date 2018-11-01
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A method comprising supplying a first brown part and a second brown part, each of the first and second brown parts formed from a material in which more than 50 percent of powder particles of a second powdered metal have a diameter less than 10 microns, in a first mode, loading the first brown part into a fused tube, and ramping a temperature inside the fused tube at greater than 10 degrees C per minute but less than 40 degrees C per minute to a first sintering temperature from 500-700 degrees C, and in a second mode, loading the second brown part into the fused tube, and ramping the temperature inside the fused tube at greater than 10 degrees C per minute but less than 40 degrees C per minute to a second sintering tempering temperature from 1000-1200 degrees C.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

61.

MARKFORGED

      
Application Number 192581300
Status Registered
Filing Date 2018-10-18
Registration Date 2021-08-17
Owner Markforged, Inc., a legal entity (USA)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

(1) 3D printers (2) Accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers; software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in 3D designing, 3D printing, and 3D manufacturing, and analyzing, pricing, sharing, online displaying and ordering of parts, prototypes, and models related thereto for personal and commercial use (3) Materials used in 3D printers to create 3D embodiments of computer-generated designs, namely, feedstock, filaments, prepregs and tows in the nature of polymers and inorganic fibers (1) Software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet

62.

DESIGN

      
Application Number 192581400
Status Registered
Filing Date 2018-10-18
Registration Date 2021-09-01
Owner Markforged, Inc., a legal entity (USA)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

(1) 3D printers (2) Accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers; software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in 3D designing, 3D printing, and 3D manufacturing, and analyzing, pricing, sharing, online displaying and ordering of parts, prototypes, and models related thereto for personal and commercial use (3) Materials used in 3D printers to create 3D embodiments of computer-generated designs, namely, feedstock, filaments, prepregs and tows in the nature of polymers and inorganic fibers (1) Software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet

63.

Rapid debinding via internal fluid channels

      
Application Number 15976009
Grant Number 10464131
Status In Force
Filing Date 2018-05-10
First Publication Date 2018-09-13
Grant Date 2019-11-05
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

Successive layers of a wall of a part are deposited to form a first access channel extending from an exterior of the part to an interior of the part, as well as to form a distribution channel connecting an interior volume of the honeycomb infill to the first access channel. A binder matrix retaining sinterable powder is debound by flowing a debinding fluid through the first access channel and the distribution channel within the interior volume of the honeycomb infill.

IPC Classes  ?

  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/10 - Sintering only

64.

Supports for sintering additively manufactured parts

      
Application Number 15892750
Grant Number 10040242
Status In Force
Filing Date 2018-02-09
First Publication Date 2018-06-21
Grant Date 2018-08-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A method comprising depositing, in layers, a shrinking platform formed from a composite including metal particles embedded in a first matrix, depositing shrinking supports of the composite upon the shrinking platform, forming a separation clearance dividing at least one shrinking support into fragments, depositing, from the composite, a part upon the shrinking platform and shrinking supports, depositing a separation material intervening between the part and the shrinking supports, the separation material including a ceramic powder and a second matrix, and forming, from the shrinking platform, shrinking supports, separation material, and part, a portable platform assembly in a green state, wherein the shrinking support is configured to prevent the portable platform assembly from distorting from gravitational force during sintering of the metal particles of the assembly in a brown state, and wherein the ceramic powder of the separation material is configured to separate the shrinking support from the part following sintering.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/295 - Heating elements
  • B29C 64/245 - Platforms or substrates
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material

65.

Supports for sintering additively manufactured parts

      
Application Number 15722445
Grant Number 10000011
Status In Force
Filing Date 2017-10-02
First Publication Date 2018-06-19
Grant Date 2018-06-19
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

To reduce distortion in an additively manufactured part, a shrinking platform is formed from a metal particulate filler in a debindable matrix. Shrinking supports of the same material are formed above the shrinking platform, and a desired part of the same material is formed upon them. A sliding release layer is provided below the shrinking platform of equal or larger surface area than a bottom of the shrinking platform to lateral resistance between the shrinking platform and an underlying surface. The matrix is debound sufficient to form a shape-retaining brown part assembly including the shrinking platform, shrinking supports, and the desired part. The shape-retaining brown part assembly is heated to shrink all of the components together at a same rate via atomic diffusion.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 64/245 - Platforms or substrates
  • B29C 64/295 - Heating elements
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

66.

Supports for sintering additively manufactured parts

      
Application Number 15892733
Grant Number 10052815
Status In Force
Filing Date 2018-02-09
First Publication Date 2018-06-14
Grant Date 2018-08-21
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A method comprising depositing a part from layers of model material including sinterable metal particles and a first binder, the part surrounding a hole, depositing a first support structure from layers of the model material within the hole, depositing a first release layer of a release material above the first support structure and within the hole, the release material including a dispersed ceramic powder and a second binder, depositing a second release layer of a release material below the first support structure and within the hole, and forming a multipiece assembly of the part, the first and second release layers, and the first support structure, wherein, during sintering, the part and first support structure are configured to densify as a whole at a uniform rate, the release material is configured to reduce to a loose ceramic powder, and the first support structure is configured to prevent distortion of the hole.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/245 - Platforms or substrates
  • B29C 64/295 - Heating elements
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material

67.

ADDITIVE MANUFACTURING WITH HEAT-FLEXED MATERIAL FEEDING

      
Application Number US2017064779
Publication Number 2018/106733
Status In Force
Filing Date 2017-12-05
Publication Date 2018-06-14
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In additive manufacturing, composite build material filament and release material filament (each a composite of metal/ceramic powder plus binder) are dropped from respective spools to a print head. On the spools and over the drop height, the filaments are heated to a temperature that flexes the filaments but does not soften them to a breaking point, e.g., heated but below a glass transition temperature of a softener (for example, wax) of the binder. The drop height is of similar linear scale to the build plate. The materials are debound and sintered.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

68.

ADDITIVE MANUFACTURING WITH HEAT-FLEXED MATERIAL FEEDING

      
Document Number 03040921
Status In Force
Filing Date 2017-12-05
Open to Public Date 2018-06-14
Grant Date 2024-02-20
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In additive manufacturing, composite build material filament and release material filament (each a composite of metal/ceramic powder plus binder) are dropped from respective spools to a print head. On the spools and over the drop height, the filaments are heated to a temperature that flexes the filaments but does not soften them to a breaking point, e.g., heated but below a glass transition temperature of a softener (for example, wax) of the binder. The drop height is of similar linear scale to the build plate. The materials are debound and sintered.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing

69.

Supports for sintering additively manufactured parts

      
Application Number 15892726
Grant Number 10035298
Status In Force
Filing Date 2018-02-09
First Publication Date 2018-06-14
Grant Date 2018-07-31
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

According to one aspect, embodiments herein provide a method comprising forming a shrinking platform of model material above a build plate, the model material including sinterable metal particles and a first binder, forming a support structure of the model material extending up from the shrinking platform, forming a first portion of the part from successive layers of the model material above the support structure, forming a release layer intervening between a surface of the part and an opposing surface of the support structure or between a surface of the shrinking platform and an opposing surface of the build plate, the release layer including a dispersed ceramic powder and a second binder, and supporting the part, the release layer, and the support structure upon the shrinking platform to form a platform-integrating part assembly, the support structure being configured to prevent the first portion from distorting from gravitational force during sintering.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/245 - Platforms or substrates
  • B29C 64/295 - Heating elements
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material

70.

Supports for sintering additively manufactured parts

      
Application Number 15892741
Grant Number 10040241
Status In Force
Filing Date 2018-02-09
First Publication Date 2018-06-14
Grant Date 2018-08-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A method comprising forming a shrinking platform of layers of a composite, the composite including a metal particulate filler in a first matrix, forming a shrinking support of layers of the composite upon the shrinking platform, forming a first release layer of a release material upon the shrinking support, the release material including a ceramic particulate and a second matrix, and forming a part of the composite upon the shrinking support to form a portable assembly from the combined shrinking platform, shrinking support, release layer and part, wherein substantially horizontal portions of the part are vertically supported by the shrinking platform, wherein the first release layer is configured, after sintering, to separate the part from the shrinking support and to allow the part to be readily removed from the shrinking support, and wherein the shrinking support is configured to prevent the part from distorting during sintering.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/295 - Heating elements
  • B29C 64/245 - Platforms or substrates
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B22F 3/11 - Making porous workpieces or articles
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material

71.

SUPPORTS FOR SINTERING ADDITIVELY MANUFACTURED PARTS

      
Document Number 03040866
Status Pending
Filing Date 2017-10-02
Open to Public Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

To reduce distortion in an additively manufactured part, a shrinking platform is formed from a metal particulate filler in a debindable matrix. Shrinking supports of the same material are formed above the shrinking platform, and a desired part of the same material is formed upon them. A sliding release layer is provided below the shrinking platform of equal or larger surface area than a bottom of the shrinking platform to lateral resistance between the shrinking platform and an underlying surface. The matrix is debound sufficient to form a shape-retaining brown part assembly including the shrinking platform, shrinking supports, and the desired part. The shape-retaining brown part assembly is heated to shrink all of the components together at a same rate via atomic diffusion.

IPC Classes  ?

  • B22F 10/47 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B22F 10/10 - Formation of a green body
  • B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
  • B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
  • B22F 10/18 - Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]

72.

SINTERING ADDITIVELY MANUFACTURED PARTS WITH A DENSIFICATION LINKING PLATFORM

      
Document Number 03040929
Status In Force
Filing Date 2017-12-01
Open to Public Date 2018-06-07
Grant Date 2023-08-01
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

To reduce distortion in an additively manufactured part, a densification linking platform and/or supports of the same composite as the desired part may be printed below the part. After debinding, a resulting shape-retaining brown part assembly is sintered to densify together at a same rate as neighboring metal particles throughout the shape- retaining brown part assembly undergo atomic diffusion. Distortion is reduced by interconnecting portions of the shape-retaining brown part assembly, printing release layers among the portions, depositing adjacent roads of the assembly in retrograde directions, and/or providing channels to accelerate a debinding process.

IPC Classes  ?

  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof

73.

ADDITIVELY MANUFACTURED PARTS WITH DEBINDING ACCELERATION

      
Document Number 03043047
Status Pending
Filing Date 2017-12-01
Open to Public Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

To build a part with a deposition-based additive manufacturing system with a binder matrix and a sinterable powder, walls of a part, sintering supports, or interconnecting platform are formed with access, distribution or routing channels therein to permit debinding fluid to pass through and/or enter the interior of the same.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

74.

ADDITIVELY MANUFACTURED PARTS WITH DEBINDING ACCELERATION

      
Application Number US2017064290
Publication Number 2018/102731
Status In Force
Filing Date 2017-12-01
Publication Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

To build a part with a deposition-based additive manufacturing system with a binder matrix and a sinterable powder, walls of a part, sintering supports, or interconnecting platform are formed with access, distribution or routing channels therein to permit debinding fluid to pass through and/or enter the interior of the same.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor

75.

SINTERING ADDITIVELY MANUFACTURED PARTS WITH A DENSIFICATION LINKING PLATFORM

      
Application Number US2017064298
Publication Number 2018/102739
Status In Force
Filing Date 2017-12-01
Publication Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

To reduce distortion in an additively manufactured part, a densification linking platform and/or supports of the same composite as the desired part may be printed below the part. After debinding, a resulting shape-retaining brown part assembly is sintered to densify together at a same rate as neighboring metal particles throughout the shape- retaining brown part assembly undergo atomic diffusion. Distortion is reduced by interconnecting portions of the shape-retaining brown part assembly, printing release layers among the portions, depositing adjacent roads of the assembly in retrograde directions, and/or providing channels to accelerate a debinding process.

IPC Classes  ?

  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B33Y 10/00 - Processes of additive manufacturing

76.

STRESS RELAXATION IN ADDITIVELY MANUFACTURED PARTS

      
Document Number 03043048
Status Pending
Filing Date 2017-12-01
Open to Public Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

To build a part with a deposition-based additive manufacturing system using a polymer-based binder of a composite feedstock, a first tool path of a perimeter contour segment and a second tool path that is parallel and adjacent are deposited in retrograde directions to produce stress-offsetting adjacent paths, where directions of residual stress within the polymer-based binder of the composite are opposite in the stress-offsetting adjacent path.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing

77.

Additive manufacturing with heat-flexed material feeding

      
Application Number 15831995
Grant Number 10828698
Status In Force
Filing Date 2017-12-05
First Publication Date 2018-06-07
Grant Date 2020-11-10
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In additive manufacturing, a composite build material filament and a release material filament are dropped from respective spools to a print head. Each of the composite build material filament and the release material filament includes a metal or ceramic powder plus a binder. On the spools and over the drop height, the filaments are heated to a temperature that flexes the filaments but does not soften them to a breaking point. The drop height is of similar linear scale to the build plate. The materials are debound and sintered.

IPC Classes  ?

  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 3/10 - Sintering only
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties

78.

STRESS RELAXATION IN ADDITIVELY MANUFACTURED PARTS

      
Application Number US2017064317
Publication Number 2018/102754
Status In Force
Filing Date 2017-12-01
Publication Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

To build a part with a deposition-based additive manufacturing system using a polymer-based binder of a composite feedstock, a first tool path of a perimeter contour segment and a second tool path that is parallel and adjacent are deposited in retrograde directions to produce stress-offsetting adjacent paths, where directions of residual stress within the polymer-based binder of the composite are opposite in the stress-offsetting adjacent path.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

79.

SUPPORTS FOR SINTERING ADDITIVELY MANUFACTURED PARTS

      
Application Number US2017054743
Publication Number 2018/102021
Status In Force
Filing Date 2017-10-02
Publication Date 2018-06-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

To reduce distortion in an additively manufactured part, a shrinking platform is formed from a metal particulate filler in a debindable matrix. Shrinking supports of the same material are formed above the shrinking platform, and a desired part of the same material is formed upon them. A sliding release layer is provided below the shrinking platform of equal or larger surface area than a bottom of the shrinking platform to lateral resistance between the shrinking platform and an underlying surface. The matrix is debound sufficient to form a shape-retaining brown part assembly including the shrinking platform, shrinking supports, and the desired part. The shape-retaining brown part assembly is heated to shrink all of the components together at a same rate via atomic diffusion.

IPC Classes  ?

  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

80.

Multilayer fiber reinforcement design for 3D printing

      
Application Number 15808081
Grant Number 10696039
Status In Force
Filing Date 2017-11-09
First Publication Date 2018-03-15
Grant Date 2020-06-30
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan
  • Parangi, Abraham Lawrence
  • Benhaim, David Steven
  • Sklaroff, Benjamin Tsu

Abstract

A method comprising receiving a first 3D toolpath defining a fill material curved shell, receiving first 2D toolpaths defining support material flat shells, receiving a second 3D toolpath defining a long fiber composite material curved shell, the long fiber composite material including a filament having a matrix embedding fibers having a length longer than two times a diameter of the filament, actuating a fill material deposition head to trace the first 3D toolpath to deposit the fill material curved shell non-parallel to a printing substrate, actuating a support material deposition head to trace the first 2D toolpaths to deposit support material in a succession of substantially flat shells, and actuating a long fiber deposition head to trace the second 3D toolpath non-parallel to the printing substrate to deposit the long fiber composite material curved shell to enclose at least a portion of the fill material curved shell.

IPC Classes  ?

  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • G06F 17/50 - Computer-aided design
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • G06F 30/00 - Computer-aided design [CAD]
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

81.

Methods for fiber reinforced additive manufacturing

      
Application Number 15637199
Grant Number 11787104
Status In Force
Filing Date 2017-06-29
First Publication Date 2018-01-25
Grant Date 2023-10-17
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Benhaim, David Steven
  • Parangi, Abraham Lawrence
  • Sklaroff, Benjamin Tsu

Abstract

A three-dimensional geometry is received, and sliced into layers. A first anisotropic fill tool path for controlling a three dimensional printer to deposit a substantially anisotropic fill material is generated defining at least part of an interior of a first layer. A second anisotropic fill tool path for controlling a three dimensional printer to deposit the substantially anisotropic fill material defines at least part of an interior of a second layer. A generated isotropic fill material tool path defines at least part of a perimeter and at least part of an interior of a third layer intervening between the first and second layers.

IPC Classes  ?

  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • G05B 15/02 - Systems controlled by a computer electric
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 10/00 - Processes of additive manufacturing
  • G06F 30/00 - Computer-aided design [CAD]
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

82.

Multilayer fiber reinforcement design for 3D printing

      
Application Number 15633182
Grant Number 10603841
Status In Force
Filing Date 2017-06-26
First Publication Date 2017-11-23
Grant Date 2020-03-31
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan
  • Benhaim, David Steven
  • Parangi, Abraham Lawrence
  • Sklaroff, Benjamin Tsu

Abstract

According to at least one aspect, embodiments of the invention provide a 3D printer comprising an anisotropic head that solidifies, along anisotropic toolpaths, fiber swaths having an anisotropic characteristic oriented relative to a trajectory of the anisotropic tool paths, an isotropic head that solidifies, along isotropic toolpaths, a substantially isotropic material, a motorized drive for moving the anisotropic head and a build plate supporting a printed part in at least three degrees of freedom, and a controller configured to control the 3D printer to build the printed part by solidifying the isotropic material along the isotropic tool paths, solidifying the anisotropic material in fiber swaths tracking a non-concentric set of anisotropic tool paths for at least a first sequence of parallel shells, solidifying the anisotropic material in fiber swaths tracking an outer concentric set of anisotropic tool paths for at least a second sequence of parallel shells.

IPC Classes  ?

  • B29C 64/209 - Heads; Nozzles
  • B29C 64/227 - Driving means
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29L 9/00 - Layered products
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

83.

Apparatus for fiber reinforced additive manufacturing

      
Application Number 15445227
Grant Number 10611082
Status In Force
Filing Date 2017-02-28
First Publication Date 2017-11-16
Grant Date 2020-04-07
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

According to one aspect, embodiments herein provide a 3-D printer comprising a composite filament supply, a build platen, a print head comprising a composite filament ironing tip and a heater, a plurality of actuators that move the print head and the build platen relative to one another in three degrees of freedom at a printing rate, at least one linear feed mechanism that advances the composite filament at a feed rate and drives the composite filament into the print head to deposit the composite filament, and a controller configured to operate the heater to heat the composite filament ironing tip to flow matrix material among axial fiber strands within the composite filament and operate the plurality of actuators to press the composite filament ironing tip against the composite filament and reshape the composite filament against one of the build platen and a composite filament previously deposited upon the build platen.

IPC Classes  ?

  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/295 - Heating elements

84.

Wear resistance in 3D printing of composites

      
Application Number 15436216
Grant Number 10259160
Status In Force
Filing Date 2017-02-17
First Publication Date 2017-08-17
Grant Date 2019-04-16
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

2, or a Rockwell C hardness at least C30, and where a nozzle tip may contact a top surface of a previously deposited line of material may have a nozzle body includes a material having a thermal conductivity at least 35 w/M-K to conduct heat to the nozzle, and a nozzle throat and/or nozzle tip each include a material having a Rockwell C hardness at least C40, to resist wear from sliding contact of the nozzle tip with the previously deposited lines of the material being printed or another previously deposited material, or from the material being printed as it is printed through the nozzle throat.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 31/08 - Feeding, e.g. into a mould cavity of preforms
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 105/12 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
  • B29K 307/04 - Carbon

85.

MARKFORGED

      
Application Number 1356236
Status Registered
Filing Date 2017-03-22
Registration Date 2017-03-22
Owner Markforged, Inc. (USA)
NICE Classes  ?
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

3D printers; accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers. Software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in 3D designing, 3D printing, and 3D manufacturing, and analyzing, pricing, sharing, online displaying and ordering of parts, prototypes, and models related thereto for personal and commercial use. Materials used in 3D printers to create 3D embodiments of computer-generated designs, namely, feedstock, filaments, prepregs and tows in the nature of polymers and inorganic fibers. Software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet.

86.

EMBEDDING 3D PRINTED FIBER REINFORCEMENT IN MOLDED ARTICLES

      
Document Number 03011286
Status In Force
Filing Date 2017-01-12
Open to Public Date 2017-07-20
Grant Date 2020-07-21
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A reinforced molding is formed having an internal continuous fiber reinforcement preform embedded therein. Continuous reinforcing fiber is deposited in a reinforcement volume to form a continuous fiber reinforcement preform, and the reinforcement preform is then located within a mold of a molding apparatus. The mold is loaded with flowable and substantially isotropic molding material, e.g., by injection with heated and/or pressurized resin. The molding material is hardened (by curing or cooling or the like) to overmold the continuous fiber reinforcement preform. The resulting reinforced molding surrounds the internal continuous fiber reinforcement preform with a hardened substantially isotropic molding material.

IPC Classes  ?

  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B33Y 10/00 - Processes of additive manufacturing

87.

EMBEDDING 3D PRINTED FIBER REINFORCEMENT IN MOLDED ARTICLES

      
Application Number US2017013151
Publication Number 2017/123726
Status In Force
Filing Date 2017-01-12
Publication Date 2017-07-20
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

A reinforced molding is formed having an internal continuous fiber reinforcement preform embedded therein. Continuous reinforcing fiber is deposited in a reinforcement volume to form a continuous fiber reinforcement preform, and the reinforcement preform is then located within a mold of a molding apparatus. The mold is loaded with flowable and substantially isotropic molding material, e.g., by injection with heated and/or pressurized resin. The molding material is hardened (by curing or cooling or the like) to overmold the continuous fiber reinforcement preform. The resulting reinforced molding surrounds the internal continuous fiber reinforcement preform with a hardened substantially isotropic molding material.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

88.

CONTINUOUS AND RANDOM REINFORCEMENT IN A 3D PRINTED PART

      
Application Number US2017013748
Publication Number 2017/124085
Status In Force
Filing Date 2017-01-17
Publication Date 2017-07-20
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory, Thomas

Abstract

Combined continuous/random fiber reinforced composite filament including a plurality of axial fiber strands extending substantially continuously within a matrix material of the fiber reinforced composite filament as well as a multiplicity of short chopped fiber rods extending at least in part randomly within the same matrix material is 3D printed via a deposition head including a conduit continuously transitioning to a substantially rounded outlet tipped with an ironing lip, which is driven to flatten the fiber reinforced composite filament against previously deposited portions of the part, as the matrix material and included therein a first proportion of the short chopped fiber rods are is flowed interstitially among the axial fiber strands spread by the ironing lip. A second proportion of the short chopped fiber rods is forced against previously deposited portions of the part.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

89.

Embedding 3D printed fiber reinforcement in molded articles

      
Application Number 15404816
Grant Number 10682844
Status In Force
Filing Date 2017-01-12
First Publication Date 2017-05-04
Grant Date 2020-06-16
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A reinforced molding is formed having an internal continuous fiber reinforcement preform embedded therein. Continuous reinforcing fiber is deposited in a reinforcement volume to form a continuous fiber reinforcement preform, and the reinforcement preform is then located within a mold of a molding apparatus. The mold is loaded with flowable and substantially isotropic molding material, e.g., by injection with heated and/or pressurized resin. The molding material is hardened (by curing or cooling or the like) to overmold the continuous fiber reinforcement preform. The resulting reinforced molding surrounds the internal continuous fiber reinforcement preform with a hardened substantially isotropic molding material.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 31/08 - Feeding, e.g. into a mould cavity of preforms
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • G06F 30/00 - Computer-aided design [CAD]
  • B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29L 31/34 - Electrical apparatus, e.g. sparking plugs or parts thereof
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 101/12 - Thermoplastic materials
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof

90.

Molten metal jetting for additive manufacturing

      
Application Number 15275849
Grant Number 10315247
Status In Force
Filing Date 2016-09-26
First Publication Date 2017-03-30
Grant Date 2019-06-11
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

In molten metal jetting, where droplets of metal are jetted to 3D print a part, each layer may be traversed each successive layer with a normalizing grinding wheel or other leveling device such as a layer to level each successive layer, and/or the melt reservoir or printing chamber may be filled with an anoxic gas mix to prevent oxidation.

IPC Classes  ?

  • B33Y 10/00 - Processes of additive manufacturing
  • B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
  • B22D 11/01 - Continuous casting of metals, i.e. casting in indefinite lengths without moulds, e.g. on molten surfaces
  • B22D 27/00 - Treating the metal in the mould while it is molten or ductile
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma

91.

MARKFORGED

      
Serial Number 87381175
Status Registered
Filing Date 2017-03-22
Registration Date 2018-10-30
Owner Markforged, Inc. ()
NICE Classes  ?
  • 06 - Common metals and ores; objects made of metal
  • 07 - Machines and machine tools
  • 09 - Scientific and electric apparatus and instruments
  • 17 - Rubber and plastic; packing and insulating materials
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

Common metals in powder form mixed with thermal plastics for 3D printers 3D printers Accessories for 3D printers used for making 3D objects by additive material deposition, namely, print heads for 3D printers; software for operating and controlling 3D printers; software for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer; software used for transmission of 3D file data for printing on a networked 3D printer; software for operating and monitoring a network of 3D printers; software for use in analyzing 3D model geometry, additive deposition instructions, feedstock consumption, job cost, job duration, pricing, sharing, online displaying and ordering of parts, prototypes, and models for 3D designing, 3D printing, and manufacturing for personal and commercial use Semi-worked thermoplastic substances in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics; sintering composite materials in the nature of thermal plastics and wax mixed with ceramic powder for use in 3D printing of ceramics;fiber reinforced plastics; carbon fibers not for textile use; plastic fibers not for textile use; ceramic powder mixed with thermal plastics for use in 3D printing of ceramic articles and in feedstocks for 3D printing of ceramic articles; filament, prepreg and tow forms for use in 3D printers to create 3D embodiments of computer-generated designs Software as a service (SaaS), namely, hosting software for use by others for uploading, downloading, modification, design, and ordering of customer-manufactured parts on the Internet

92.

Three dimensional printing

      
Application Number 15206569
Grant Number 10076876
Status In Force
Filing Date 2016-07-11
First Publication Date 2017-03-09
Grant Date 2018-09-18
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an extrusion nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to extruding the filament from the extrusion nozzle.

IPC Classes  ?

  • B29C 70/12 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of short length, e.g. in the form of a mat
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 47/02 - incorporating preformed parts or layers, e.g. extrusion moulding around inserts or for coating articles
  • B29C 47/92 - Measuring, controlling or regulating
  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B29B 15/14 - Coating or impregnating of reinforcements of indefinite length of filaments or wires
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
  • B29C 47/08 - Component parts, details or accessories; Auxiliary operations
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns

93.

Methods for fiber reinforced additive manufacturing

      
Application Number 15186651
Grant Number 10040252
Status In Force
Filing Date 2016-06-20
First Publication Date 2016-12-22
Grant Date 2018-08-07
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an extrusion nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to extruding the filament from the extrusion nozzle.

IPC Classes  ?

  • B29C 70/40 - Shaping or impregnating by compression
  • B29C 70/42 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles
  • B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/141 - Processes of additive manufacturing using only solid materials
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/209 - Heads; Nozzles
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]

94.

Three dimensional printer for fiber reinforced composite filament fabrication

      
Application Number 15145261
Grant Number 09956725
Status In Force
Filing Date 2016-05-03
First Publication Date 2016-12-15
Grant Date 2018-05-01
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to applying the filament from the conduit nozzle.

IPC Classes  ?

  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns

95.

Methods for composite filament fabrication in three dimensional printing

      
Application Number 15145245
Grant Number 10076875
Status In Force
Filing Date 2016-05-03
First Publication Date 2016-12-01
Grant Date 2018-09-18
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B26D 1/08 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
  • B26D 1/10 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/194 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control during lay-up
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29K 307/04 - Carbon
  • B33Y 80/00 - Products made by additive manufacturing
  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29K 105/16 - Fillers

96.

Multiaxis fiber reinforcement for 3D printing

      
Application Number 15174645
Grant Number 09815268
Status In Force
Filing Date 2016-06-06
First Publication Date 2016-10-27
Grant Date 2017-11-14
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Woodruff, Rick Bryan
  • Parangi, Abraham Lawrence
  • Benhaim, David Steven
  • Sklaroff, Benjamin Tsu

Abstract

In a 3D composite printer, toolpaths defining fill material shells are received, as are toolpaths defining support material shells. A 3D toolpath defining a long fiber composite material curved shell is also received. A fill material deposition head traces the toolpaths to deposit some of the fill material shells or support material shells at least in part non-parallel to a printing substrate. A long fiber deposition head traces the 3D toolpath at least in part non-parallel to the printing substrate to deposit the long fiber composite material curved, concave, ring, tube, or winding shells to enclose, surround, or envelop at least a portion of the fill or support material shells.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • G05B 19/19 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
  • G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
  • G06F 17/50 - Computer-aided design
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/386 - Data acquisition or data processing for additive manufacturing
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 71/00 - Use of polyethers as moulding material
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 79/00 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material
  • B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material

97.

Three dimensional printer with composite filament fabrication

      
Application Number 14881938
Grant Number 10099427
Status In Force
Filing Date 2015-10-13
First Publication Date 2016-07-14
Grant Date 2018-10-16
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B29C 67/00 - Shaping techniques not covered by groups , or
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
  • B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
  • B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
  • B29K 105/00 - Condition, form or state of moulded material
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29K 307/04 - Carbon

98.

Footwear fabrication by composite filament 3D printing

      
Application Number 14988222
Grant Number 10226103
Status In Force
Filing Date 2016-01-05
First Publication Date 2016-07-07
Grant Date 2019-03-12
Owner MARKFORGED, INC. (USA)
Inventor Mark, Gregory Thomas

Abstract

A footwear insole shape is generated by supplying a core reinforced filament having a matrix material impregnating reinforcing strands aligned along the filament, as well as a fill material separately from the core reinforced filament and depositing at least one shell of fill material within an insole shape upon a print bed. The core reinforced filament is deposited to fuse to the fill material within a first reinforcing region formed with respect to the insole shape. A cutter upstream of the nozzle tip cuts the core reinforced filament, and a remainder of the core reinforced filament is deposited to complete the first reinforcing region. A nozzle tip applies pressure to continuously compact the core reinforced filament toward the insole shape as the core reinforced filament is fused to the fill material.

IPC Classes  ?

  • B29C 70/68 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers
  • B29C 70/74 - Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
  • B29D 35/00 - Producing footwear
  • A43D 8/22 - Ornamentation by embossing or printing
  • A43B 17/00 - Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
  • A43B 23/02 - Uppers; Boot legs
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material

99.

Methods for composite filament threading in three dimensional printing

      
Application Number 14942656
Grant Number 11065861
Status In Force
Filing Date 2015-11-16
First Publication Date 2016-05-26
Grant Date 2021-07-20
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to applying the filament from the conduit nozzle.

IPC Classes  ?

  • B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/209 - Heads; Nozzles
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • G06F 113/10 - Additive manufacturing, e.g. 3D printing
  • B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
  • B29K 307/04 - Carbon

100.

Three dimensional printing of composite reinforced structures

      
Application Number 14942676
Grant Number 11148409
Status In Force
Filing Date 2015-11-16
First Publication Date 2016-05-26
Grant Date 2021-10-19
Owner MARKFORGED, INC. (USA)
Inventor
  • Mark, Gregory Thomas
  • Gozdz, Antoni S.

Abstract

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

IPC Classes  ?

  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
  • B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
  • B29K 105/10 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns oriented
  • B29K 307/04 - Carbon
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