Powder Motion Labs, LLC

United States of America

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2024 January 1
2024 (YTD) 1
2023 2
2022 2
2021 2
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IPC Class
B29C 64/214 - Doctor blades 7
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 7
B22F 10/10 - Formation of a green body 5
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 5
B33Y 10/00 - Processes of additive manufacturing 5
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1.

POWDER BED RECOATERS INCLUDING NON-CONTACT POWDER REDISTIBUTORS

      
Application Number US2023027826
Publication Number 2024/019944
Status In Force
Filing Date 2023-07-14
Publication Date 2024-01-25
Owner POWDER MOTION LABS, LLC (USA)
Inventor
  • Coward, Connor L.
  • Mulholland, Maxwell

Abstract

Exemplary embodiments are disclosed of powder bed recoaters including non-contact powder redistributors. Also disclosed are exemplary embodiments of powder bed additive manufacturing systems including non-contact powder redistributors and methods for recoating powder beds. In an exemplary embodiment, a method comprises applying powder in a pattern along a top surface of a powder bed such that the applied powder covers only one or more portions, and not the entirety, of the powder bed. The method further comprises redistributing the powder in the pattern to flatten or level the powder bed without physically contacting the powder bed.

IPC Classes  ?

  • 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
  • B29C 64/214 - Doctor blades
  • B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
  • B29C 64/329 - Feeding using hoppers
  • 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
  • B28B 1/00 - Producing shaped articles from the material
  • B22F 10/10 - Formation of a green body

2.

Recoater using alternating current to planarize top surface of powder bed

      
Application Number 18120232
Grant Number 11872754
Status In Force
Filing Date 2023-03-10
First Publication Date 2023-07-06
Grant Date 2024-01-16
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a build platform holding a powder bed and an electrode assembly including an electrode and an insulating shield. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. The electrode assembly is positionable over the powder bed, such that when the electrode assembly is over the powder bed, the shield is between the electrode and the powder bed's top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder of the powder bed top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

IPC Classes  ?

  • 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
  • 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 64/218 - Rollers
  • B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/214 - Doctor blades
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
  • B22F 10/10 - Formation of a green body

3.

Powder bed recoater

      
Application Number 18120255
Grant Number 11772164
Status In Force
Filing Date 2023-03-10
First Publication Date 2023-07-06
Grant Date 2023-10-03
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a build platform holding a powder bed and an electrode assembly including an electrode and an insulating shield. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. The electrode assembly is positionable over the powder bed, such that when the electrode assembly is over the powder bed, the shield is between the electrode and the powder bed's top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder of the powder bed top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

IPC Classes  ?

  • B22F 12/52 - Hoppers
  • B22F 10/68 - Cleaning or washing
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • 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 64/214 - Doctor blades
  • B29C 64/205 - Means for applying layers
  • B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B22F 12/90 - Means for process control, e.g. cameras or sensors
  • B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes

4.

Recoater using alternating current to planarize top surface of powder bed

      
Application Number 17873829
Grant Number 11607846
Status In Force
Filing Date 2022-07-26
First Publication Date 2022-11-10
Grant Date 2023-03-21
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a build platform holding a powder bed and an electrode assembly including an electrode and an insulating shield. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. The electrode assembly is positionable over the powder bed, such that when the electrode assembly is over the powder bed, the shield is between the electrode and the powder bed's top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder of the powder bed top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

IPC Classes  ?

  • 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
  • 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 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 64/218 - Rollers
  • B29C 64/214 - Doctor blades
  • B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
  • B22F 10/10 - Formation of a green body

5.

Powder bed recoater

      
Application Number 17685129
Grant Number 11612940
Status In Force
Filing Date 2022-03-02
First Publication Date 2022-06-16
Grant Date 2023-03-28
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a build platform holding a powder bed and an electrode assembly including an electrode and an insulating shield. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. The electrode assembly is positionable over the powder bed, such that when the electrode assembly is over the powder bed, the shield is between the electrode and the powder bed's top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder of the powder bed top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

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
  • B29C 64/214 - Doctor blades
  • B29C 64/205 - Means for applying layers
  • B22F 12/52 - Hoppers
  • B22F 12/90 - Means for process control, e.g. cameras or sensors
  • B22F 10/68 - Cleaning or washing
  • B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
  • B22F 10/85 - Data acquisition or data processing 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

6.

Powder bed recoater

      
Application Number 16823052
Grant Number 11273598
Status In Force
Filing Date 2020-03-18
First Publication Date 2021-09-23
Grant Date 2022-03-15
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a build platform holding a powder bed and an electrode assembly including an electrode and an insulating shield. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. The electrode assembly is positionable over the powder bed, such that when the electrode assembly is over the powder bed, the shield is between the electrode and the powder bed's top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder of the powder bed top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

IPC Classes  ?

  • B29C 64/214 - Doctor blades
  • 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 10/00 - Processes of 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 64/30 - Auxiliary operations or equipment
  • B29C 64/205 - Means for applying layers
  • 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
  • B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
  • B28B 1/00 - Producing shaped articles from the material
  • B22F 10/10 - Formation of a green body

7.

Recoater using alternating current to planarize top surface of powder bed

      
Application Number 16823065
Grant Number 11407172
Status In Force
Filing Date 2020-03-18
First Publication Date 2021-09-23
Grant Date 2022-08-09
Owner Powder Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A system for recoating a powder bed includes a platform holding a powder bed, a brush and an electrode assembly including an electrode and insulating shield. After powder is distributed on the powder bed the top surface of the powder bed is smoothed by the brush. A voltage supply produces a high voltage alternating current and communicates with the powder bed and the electrode. When the electrode assembly is positioned over the powder bed, the shield is between the electrode and powder bed top surface. The voltage supply produces a high voltage alternating current that creates an alternating electric field between the electrode and the powder bed that causes the powder on the top surface to oscillate in a region between the shield and the bed and then reposition themselves on the bed such that the top layer of the powder bed is smoother than it was prior to when the powder particles began oscillating.

IPC Classes  ?

  • 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
  • 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 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
  • B29C 64/218 - Rollers
  • B29C 64/214 - Doctor blades
  • B33Y 10/00 - Processes of additive manufacturing
  • B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
  • B22F 10/10 - Formation of a green body

8.

Electrostatic conveyor-wheel powder feeder

      
Application Number 16352435
Grant Number 10800615
Status In Force
Filing Date 2019-03-13
First Publication Date 2019-09-19
Grant Date 2020-10-13
Owner Power Motion Labs, LLC (USA)
Inventor Coward, Connor L.

Abstract

A powder feeder includes a hopper holding powder particles and a rotating conductive wheel having a rim. The rim has a powder landing surface in a groove in the rim. As the wheel rotates, the powder landing surface is disposed below the hopper. A voltage supply electrically communicates with an electrode and the wheel. The electrode and powder landing surface have a space between them. An insulator is disposed between the electrode and the wheel. The voltage supply produces an AC electric potential between the electrode and the rim that creates an alternating electric field within the space. An outlet chamber is positioned below the wheel. The electric field created within the space causes powder particles falling onto the powder landing surface and rotating under the electrode to develop an electrical surface charge. An electrostatic force causes powder particles to oscillate between the pile and the insulator. After a period of oscillation the particles drop over the edges of the rim and into the chamber.

IPC Classes  ?

  • B65G 54/02 - Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic

9.

Electrostatic powder feeder

      
Application Number 15899451
Grant Number 10213797
Status In Force
Filing Date 2018-02-20
First Publication Date 2018-08-30
Grant Date 2019-02-26
Owner Powder Motion Labs, LLC (USA)
Inventor
  • Coward, Connor L.
  • Sparks, Todd E.

Abstract

A electrostatic powder feeder includes a body having a cavity. The cavity is shaped and sized to hold a supply of powder particles and is defined by a cavity wall. A diverter is disposed in the cavity and positioned away from the cavity wall so as to create a powder flow space between the diverter and cavity wall. The feeder includes an electrode and a powder landing surface connected to a power supply. The electrode is positioned remotely from the powder landing surface at a distance at which it can act upon powder resting upon the powder landing surface. An aperture through which powder particles may fall is disposed in or proximate to the powder landing surface. An insulator is positioned between the electrode and the powder landing surface. The power supply produces an alternating electric potential that creates an alternating electric field between the electrode and powder landing surface that causes powder particles to oscillate and eventually fall through the aperture. In an alternative embodiment, the powder landing surface is on a diaphragm connected to the body and disposed below the powder flow space. The diaphragm is sized and shaped to hold a quantity of powder falling from the powder flow space. The diaphragm includes an aperture. A vibration actuator is affixed to the diaphragm, which provides a vibratory force to the powder particles.

IPC Classes  ?

  • G05D 7/06 - Control of flow characterised by the use of electric means
  • B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
  • B05B 5/16 - Arrangements for supplying liquids or other fluent material
  • B05B 5/04 - Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements
  • B05B 5/00 - Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

10.

Electrostatic powder feeder with vibratory assist

      
Application Number 15899482
Grant Number 10226780
Status In Force
Filing Date 2018-02-20
First Publication Date 2018-08-30
Grant Date 2019-03-12
Owner Powder Motion Labs, LLC (USA)
Inventor
  • Coward, Connor L.
  • Sparks, Todd E.
  • Mullholland, Maxwell Todd Waggoner

Abstract

A electrostatic powder feeder includes a body having a cavity. The cavity is shaped and sized to hold a supply of powder particles and is defined by a cavity wall. A diverter is disposed in the cavity and positioned away from the cavity wall so as to create a powder flow space between the diverter and cavity wall. The feeder includes an electrode and a powder landing surface connected to a power supply. The electrode is positioned remotely from the powder landing surface at a distance at which it can act upon powder resting upon the powder landing surface. An aperture through which powder particles may fall is disposed in or proximate to the powder landing surface. An insulator is positioned between the electrode and the powder landing surface. The power supply produces an alternating electric potential that creates an alternating electric field between the electrode and powder landing surface that causes powder particles to oscillate and eventually fall through the aperture. In an alternative embodiment, the powder landing surface is on a diaphragm connected to the body and disposed below the powder flow space. The diaphragm is sized and shaped to hold a quantity of powder falling from the powder flow space. The diaphragm includes an aperture. A vibration actuator is affixed to the diaphragm, which provides a vibratory force to the powder particles.

IPC Classes  ?

  • B05B 5/00 - Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
  • B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
  • B05B 5/16 - Arrangements for supplying liquids or other fluent material
  • B05B 5/04 - Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements
  • G05D 7/06 - Control of flow characterised by the use of electric means
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

11.

Electrostatic powder feeder

      
Application Number 14994973
Grant Number 10035219
Status In Force
Filing Date 2016-01-13
First Publication Date 2017-07-13
Grant Date 2018-07-31
Owner POWDER MOTION LABS, LLC (USA)
Inventor Coward, Connor

Abstract

An apparatus for feeding powder particles includes a hopper holding a supply of powder. A voltage supply is in electrical communication with a first electrode and a second electrode. The hopper is configured to drop powder onto the first electrode. The voltage supply is capable of producing an electric potential between the first electrode and second electrode and causing the powder particles landing on the first electrode to develop a surface charge. The second electrode is positioned remotely from the first electrode such that the electric field between the first electrode and the second electrode causes the powder particles that fall onto the first electrode to move off the first electrode and move toward the second electrode. The powder particles moving toward the second electrode may or may not reach the electrode, but in either case drop away from the second electrode due to the force of gravity.

IPC Classes  ?

  • A45D 24/22 - Combs with dispensing devices for liquids, pastes or powders
  • B65D 83/00 - Containers or packages with special means for dispensing contents
  • B65D 88/66 - Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
  • B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
  • B23K 26/342 - Build-up welding
  • C23C 24/10 - Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
  • B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
  • B05B 5/03 - Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling

12.

POWDER MOTION LABS

      
Serial Number 87469387
Status Registered
Filing Date 2017-05-31
Registration Date 2018-08-28
Owner Powder Motion Labs, LLC ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

machines for feeding and conveying powder substances for industrial use and small scale manufacturing, namely, electrostatic and electromechanical powder feeders for use in powder metallurgy and 3-D printing