Memjet Technology Ltd.

Ireland

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New (last 4 weeks) 5
2024 June 5
2024 May 1
2024 (YTD) 7
2023 31
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IPC Class
B41J 2/175 - Ink supply systems 202
B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles 164
B41J 2/14 - Structure thereof 138
B41J 2/155 - Arrangement thereof for line printing 136
B41J 2/16 - Production of nozzles 66
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NICE Class
07 - Machines and machine tools 6
09 - Scientific and electric apparatus and instruments 5
02 - Paints, varnishes, lacquers 4
16 - Paper, cardboard and goods made from these materials 3
Status
Pending 29
Registered / In Force 720
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1.

AEROSOL EXTRACTOR FOR INKJET PRINTING SYSTEM

      
Application Number 18385781
Status Pending
Filing Date 2023-10-31
First Publication Date 2024-06-06
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Lawrence, James
  • Horrocks, Glenn
  • Kuzmin, Sergey

Abstract

An inkjet printing system includes: a printhead positioned over a media feed path; and an aerosol extractor positioned downstream of the printhead relative to a media feed direction. The aerosol extractor includes: an air knife having a knife slot for directing a flow of air towards print media; and a suction nozzle positioned upstream of the knife slot for directing aerosol into a suction channel.

IPC Classes  ?

  • B41J 2/17 - Ink jet characterised by ink handling

2.

COMPACT PRINTING UNIT WITH INTEGRATED AEROSOL EXTRACTION UNIT

      
Application Number 18385793
Status Pending
Filing Date 2023-10-31
First Publication Date 2024-06-06
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Profaca, Mark
  • Lawrence, James
  • Horrocks, Glenn

Abstract

A printing unit includes: a fixed maintenance chassis having a bottom plate defining a plurality of first slots; print modules having a respective inkjet printheads extending across a media feed path; a lift mechanism for lifting and lowering the print modules relative to the media feed path; and an aerosol extraction unit mounted to an underside of the bottom plate. The aerosol extraction unit includes a plurality of aerosol extractors, which extend across the media feed path between a pair of side bars, the aerosol extractors being spaced apart along the media feed direction to define a corresponding plurality of second slots aligned with the first slots. Each print module is slidably movable through its respective first and second slots towards the media feed path into a printing position.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

3.

AEROSOL EXTRACTION UNIT WITH OPPOSITE AIR AND SUCTION MANIFOLDS

      
Application Number 18385796
Status Pending
Filing Date 2023-10-31
First Publication Date 2024-06-06
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Lawrence, James
  • Profaca, Mark
  • Horrocks, Glenn
  • Kuzmin, Sergey

Abstract

An aerosol extraction unit includes: a frame having first and second opposite side bars extending parallel with a media feed direction; and aerosol extractors extending perpendicular to the media feed direction between the first and second side bars. Each aerosol extractor includes: an air knife having a knife slot for directing a flow of air towards print media; and a suction nozzle positioned upstream of the knife slot for directing aerosol into a suction channel. The first side bar includes an air manifold in fluid communication with each knife slot; and the second side bar includes a suction manifold in fluid communication with each suction nozzle.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

4.

AEROSOL EXTRACTOR FOR INKJET PRINTING SYSTEM

      
Application Number EP2023080170
Publication Number 2024/115022
Status In Force
Filing Date 2023-10-30
Publication Date 2024-06-06
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Lawrence, James
  • Horrocks, Glenn
  • Kuzmin, Sergey

Abstract

An inkjet printing system includes: a printhead (2) positioned over a media feed path; and an aerosol extractor (10) positioned downstream of the printhead relative to a media feed direction. The aerosol extractor includes: an air knife (12) having a knife slot for directing a flow of air towards print media; and a suction nozzle (16) positioned upstream of the knife slot for directing aerosol into a suction channel.

IPC Classes  ?

  • B41J 2/17 - Ink jet characterised by ink handling

5.

COMPACT PRINTING UNIT WITH INTEGRATED AEROSOL EXTRACTION UNIT

      
Application Number EP2023080171
Publication Number 2024/115023
Status In Force
Filing Date 2023-10-30
Publication Date 2024-06-06
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Profaca, Mark
  • Lawrence, James
  • Horrocks, Glenn

Abstract

A printing unit (1) includes: a fixed maintenance chassis (9) having a bottom plate defining a plurality of first slots; print modules (30) having a respective inkjet printheads extending across a media feed path; a lift mechanism for lifting and lowering the print modules relative to the media feed path; and an aerosol extraction unit mounted to an underside of the bottom plate. The aerosol extraction unit includes a plurality of aerosol extractors, which extend across the media feed path between a pair of side bars, the aerosol extractors being spaced apart along the media feed direction to define a corresponding plurality of second slots aligned with the first slots. Each print module is slidably movable through its respective first and second slots towards the media feed path into a printing position.

IPC Classes  ?

  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 2/175 - Ink supply systems
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 25/34 - Bodily-changeable print heads or carriages

6.

FULL COLOR INKJET PRINTHEAD FOR REDUNDANT PRINTING

      
Application Number 18405344
Status Pending
Filing Date 2024-01-05
First Publication Date 2024-05-02
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David
  • Thomas, Andrew

Abstract

An inkjet printhead for printing redundantly in four colors. The printhead includes: an ink manifold having first, second, third and fourth ink reservoirs for supplying first, second, third and fourth inks, respectively; and first and second parallel printhead chips mounted on the ink manifold. The ink manifold has ink feed slots configured for supplying the first and second inks to the first printhead chip and for supplying the third and fourth inks to the second printhead chip.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/14 - Structure thereof
  • B41J 2/175 - Ink supply systems
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 25/34 - Bodily-changeable print heads or carriages

7.

COMPACT INKJET NOZZLE DEVICE WITH HIGH DEGREE OF SYMMETRY

      
Application Number 18449556
Status Pending
Filing Date 2023-08-14
First Publication Date 2024-02-22
Owner Memjet Technology Limited (Ireland)
Inventor
  • North, Angus John
  • Mallinson, Samuel George
  • Lowe, Graeme

Abstract

An inkjet nozzle device includes a main chamber having a floor, a roof and a perimeter wall extending between the floor and the roof. The main chamber includes: a firing chamber having a nozzle aperture defined in the roof and a bar heater for ejection of ink through the nozzle aperture; an antechamber for supplying ink to the firing chamber, the antechamber having a chamber inlet defined in the floor; and a baffle plate extending parallel with the bar heater, which partitions the main chamber to define the firing chamber and the antechamber. The nozzle device has mirror symmetry about a symmetry plane extending perpendicular to the longitudinal axes of the bar heater and the baffle plate

IPC Classes  ?

8.

INK DELIVERY SYSTEM WITH FILTER PROTECTION

      
Application Number 18308971
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Yourlo, Zhenya
  • Crichton, Peter
  • Wang, Mei
  • Chin, Nicolas
  • Meyer, Craig

Abstract

An ink delivery system for delivering ink to an inkjet printhead includes: an ink tank; the inkjet printhead having a printhead inlet port and a printhead outlet port; an ink supply line connected between the ink tank and the printhead inlet port; an ink return line connected between the ink tank and the printhead outlet port; an ink recirculation pump positioned in the ink return line; an ink filter positioned in the ink return line; a bypass line for bypassing ink around the ink filter; a bypass valves for controlling flow of ink either through the ink filter or through the bypass line; and a controller for coordinating the bypass valve and the pump. The controller is configured to pump ink from the printhead outlet port to the ink tank via the bypass line when the return line contains air.

IPC Classes  ?

  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/18 - Ink recirculation systems
  • B41J 2/175 - Ink supply systems

9.

PRINTHEAD NEST ASSEMBLY

      
Application Number 18309036
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Profaca, Mark

Abstract

A printhead nest assembly for facilitating printhead replacement. The printhead nest assembly includes: a nest configured for detachable fastening to a printhead carrier and a replaceable printhead nestably secured within the nest, the nest enveloping all sides of the printhead. The nest is configurable in open and closed positions and allows removal of the printhead only in the open position and only when the printhead nest assembly is detached from the printhead carrier.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages

10.

INKJET MODULE WITH PIVOTING CAP COVER

      
Application Number 18309299
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor Burke, David Oliver

Abstract

An integrated inkjet module includes: a chassis having an elongate base plate and a rear wall extending upwards therefrom; an elongate printhead liftably mounted on the chassis; a lift mechanism operatively connected to the printhead for lifting and lowering the printhead relative to the base plate; a capping assembly slidably mounted on the base plate, the capping assembly having a capper extending parallel with the rear wall and the printhead; a capper movement mechanism operatively connected to the capping assembly for linearly slidably moving the capping assembly towards and away from the rear wall; and a cap cover pivotally mounted to the rear wall. During use, engagement of part of the capping assembly with the cap cover pivots the cap cover away from the capper to allow sliding movement of the capper towards the rear wall and into a covered position.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/00 - Actions or mechanisms not otherwise provided for

11.

PRINTING UNIT WITH PIVOTING OPPOSED INKJET MODULES

      
Application Number 18309349
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Brice, Robert John
  • Burke, David Oliver
  • Profaca, Mark

Abstract

A printing unit includes: a unit chassis and a pair of opposed inkjet modules mounted on the unit chassis, each inkjet module having a respective printhead. The inkjet modules are each pivotally mounted on the unit chassis for pivotally moving the inkjet modules towards and away from each other.

IPC Classes  ?

  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface

12.

INKJET MODULE WITH PRINTHEAD NEST ASSEMBLY

      
Application Number EP2023059058
Publication Number 2023/232325
Status In Force
Filing Date 2023-04-05
Publication Date 2023-12-07
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Burke, David
  • Profaca, Mark

Abstract

An integrated inkjet module includes: a chassis; a printhead carrier mounted to the chassis; and a printhead nest assembly having a nest fastened to the printhead carrier and a replaceable printhead nestably secured within the nest. The printhead nest assembly is detachable from the printhead carrier and the printhead is removable from the nest only when the printhead nest assembly is detached from the printhead carrier.

IPC Classes  ?

  • B41J 2/175 - Ink supply systems
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms

13.

TANDEM PRINT MODULES WITH INTERSTITIAL BAR FOR OPTIMIZING AIRFLOW

      
Application Number EP2023059062
Publication Number 2023/232328
Status In Force
Filing Date 2023-04-05
Publication Date 2023-12-07
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Horrocks, Glenn
  • Crichton, Peter
  • Burke, David
  • Tharion, Joseph

Abstract

A printing unit includes: a unit chassis having a pair of side bars interconnected by a pair of end bars; first and second print modules mounted on the unit chassis, each print module having a respective printhead and an associated print zones; an aerosol extractor providing an airflow through the print zones; and an interstitial bar positioned in a space between the 5 printheads. The interstitial bar is configured to modulate the airflow through the print zones.

IPC Classes  ?

  • B41J 2/175 - Ink supply systems
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface

14.

INKJET MODULE WITH PRINTHEAD NEST ASSEMBLY

      
Application Number 18309004
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Profaca, Mark

Abstract

An integrated inkjet module includes: a chassis; a printhead carrier mounted to the chassis; and a printhead nest assembly having a nest fastened to the printhead carrier and a replaceable printhead nestably secured within the nest. The printhead nest assembly is detachable from the printhead carrier and the printhead is removable from the nest only when the printhead nest assembly is detached from the printhead carrier.

IPC Classes  ?

15.

METHOD OF REPLACING PRINTHEAD

      
Application Number 18309053
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor Burke, David Oliver

Abstract

A method of replacing a printhead in an inkjet module includes the steps of: detaching a printhead nest assembly from a printhead carrier of the inkjet module, the printhead nest assembly having a nest and a printhead nestably secured within the nest; opening the nest and removing the printhead; inserting a replacement printhead into the opened nest and then closing the nest to reform the printhead nest assembly; and fastening the printhead nest assembly to the printhead carrier.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages

16.

NKJET MODULE WITH RIGID PRINTHEAD SUPPORT

      
Application Number 18309093
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Profaca, Mark

Abstract

An integrated inkjet module includes: a chassis having an elongate base plate defining a longitudinal slot; a pair of posts extending upwards from the base plate at opposite ends of the longitudinal slot; a pair of brackets having sleeve bushings slidably engaged with the posts; an elongate printhead carrier supported between the brackets, the printhead carrier having: front and rear plates defining a cavity therebetween, a brace interconnecting upper parts of the front and rear plates, and a pair of datum blocks interconnecting lower parts of the front and rear plates; a printhead mounted to the datum blocks; and a lift mechanism operatively connected to each bracket for lifting and lowering the printhead carrier relative to the base plate.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

17.

INKJET MODULE WITH SHIELDED WIPER

      
Application Number 18309316
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Profaca, Mark

Abstract

An integrated inkjet module includes: a chassis having an elongate base plate; a pair of posts extending upwards from the base plate at opposite ends of a longitudinal slot; a pair of brackets slidably engaged with the posts; a printhead liftably mounted to the chassis via the brackets; a lift mechanism operatively connected to each bracket for lifting and lowering the printhead relative to the base plate; and a wiper parked at one end of the longitudinal slot for longitudinally wiping the printhead. The printhead is movable between a print position and a raised position, the chassis has an open front face allowing access to the printhead via the front face, and one of the brackets is configured for shielding the wiper in the print position.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

18.

PRINTING UNIT WITH TANDEM INKJET MODULES

      
Application Number 18309328
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Profaca, Mark
  • Brice, Robert
  • Crichton, Peter

Abstract

A printing unit includes: a unit chassis and a pair of opposed inkjet modules mounted in tandem on the unit chassis in forward and reverse orientations, each inkjet module having one respective printhead and at least one of: a capper and a wiper. Each printhead includes first and second rows of print chips mounted on a unitary surface of a respective ink manifold, the first and second rows of print chips having a plurality of print chips butted end-on-end along a length of the printhead. The printheads are wholly aligned with respect to a media feed direction for printing in four ink colors from the pair of printheads.

IPC Classes  ?

19.

TANDEM INKJET MODULES CONFIGURED FOR EFFICIENT AEROSOL EXTRACTION

      
Application Number 18309430
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David Oliver
  • Tharion, Joseph
  • Brice, Robert John

Abstract

A printing unit includes: a unit chassis for positioning over a media feed path; a pair of opposed inkjet modules mounted in tandem on the unit chassis in forward and reverse orientations, each inkjet module including a module chassis having a C-shaped base plate defining an open longitudinal slot and a printhead positioned in the open longitudinal slot of a respective base plate; and an aerosol extractor positioned beneath the base plate of a downstream inkjet module relative to a media feed direction. The pair of opposed C-shaped base plates have relatively proximal open longitudinal slots containing the pair of printheads and relatively distal longitudinal base members.

IPC Classes  ?

  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 2/15 - Arrangement thereof for serial printing

20.

TANDEM INKJET MODULES WITH PRINTHEAD SKEW ADJUSTMENT

      
Application Number 18309478
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Brice, Robert John
  • Burke, David Oliver

Abstract

A printing unit including: a unit chassis; and first and second inkjet modules mounted on the unit chassis, each inkjet module having a respective printhead nest assembly, each printhead nest assembly including a replaceable printhead nestably secured within a respective nest with each nest enveloping its respective printhead about all sides. The nest includes: a cantilever spring engaged with its respective printhead, the cantilever spring being biased away from the printhead; and a screw adjuster in butting engagement with the cantilever spring for urging the cantilever spring towards and away from the printhead. In use, a skew of one printhead is mechanically adjustable relative to the other printhead via rotational movement of the screw adjuster.

IPC Classes  ?

  • B41J 25/316 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 25/312 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print pressure adjustment mechanisms, e.g. pressure-on-the-paper mechanisms

21.

METHOD OF PRINTING REDUNDANTLY AND HIDING PRINT ARTEFACTS

      
Application Number 18309505
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Crichton, Peter
  • Burke, David Oliver

Abstract

A method of printing redundantly in four colors from first and second printheads aligned along a media feed direction. Each of the first and second printheads has respective first and second rows of print chips butted end-on-end, the first and second rows of print chips having 180-degree rotational symmetry. Each row of print chips in one printhead is supplied with the same two inks which are printed from both rows of print chips in that printhead. Compensatory sets of nozzles in the first and second rows of print chips are offset along the media feed direction, by virtue of the 180-degree rotational symmetry, so as to hide print artefacts arising from the compensatory sets of nozzles.

IPC Classes  ?

22.

PRINTING UNIT WITH SEALED PRINT ZONE

      
Application Number 18309545
Status Pending
Filing Date 2023-04-28
First Publication Date 2023-12-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Horrocks, Glenn
  • Crichton, Peter
  • Burke, David Oliver
  • Tharion, Joseph

Abstract

A printing unit includes: a height-adjustable print module including a printhead for printing onto a media surface; and a resilient flap positioned for engagement with part of the print module. In use, movement of the print module towards the media surface into a printing position forms a seal between the print module and the flap for printing.

IPC Classes  ?

  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

23.

PRINTING UNIT WITH TANDEM INKJET MODULES

      
Application Number EP2023059059
Publication Number 2023/232326
Status In Force
Filing Date 2023-04-05
Publication Date 2023-12-07
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Burke, David
  • Profaca, Mark
  • Brice, Robert
  • Crichton, Peter

Abstract

A printing unit includes: a unit chassis and a pair of opposed inkjet modules mounted in tandem on the unit chassis in forward and reverse orientations, each inkjet module having one respective printhead and at least one of: a capper and a wiper. Each printhead includes first and second rows of print chips mounted on a unitary surface of a respective ink manifold, the first and second rows of print chips having a plurality of print chips butted end-on-end along a length of the printhead. The printheads are wholly aligned with respect to a media feed direction for printing in four ink colors from the pair of printheads.

IPC Classes  ?

  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 2/175 - Ink supply systems
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
  • B41J 2/17 - Ink jet characterised by ink handling

24.

PRINTING UNIT WITH PIVOTING OPPOSED INKJET MODULES

      
Application Number EP2023059060
Publication Number 2023/232327
Status In Force
Filing Date 2023-04-05
Publication Date 2023-12-07
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Brice, Robert
  • Burke, David
  • Profaca, Mark

Abstract

A printing unit includes: a unit chassis and a pair of opposed inkjet modules mounted on the unit chassis, each inkjet module having a respective printhead. The inkjet modules are each pivotally mounted on the unit chassis for pivotally moving the inkjet modules towards and away from each other.

IPC Classes  ?

  • B41J 2/175 - Ink supply systems
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms

25.

PRINTHEAD MODULE HAVING ALTERNATE PCBS AND ROWS OF PRINT CHIPS

      
Application Number 18339907
Status Pending
Filing Date 2023-06-22
First Publication Date 2023-10-19
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason Mark
  • Burke, David Oliver

Abstract

A printhead module includes a monolithic substrate having longitudinal ink supply channels defined through a thickness of the substrate and extending parallel with each other along a length of the substrate; rows of print chips mounted on a front face of the substrate, each row of print chips receiving ink only from a respective one of the ink supply channels; and first PCBs mounted on the front face, each PCB extending alongside a respective one of the rows of print chips and supply power thereto. The rows of print chips and the first PCBs are mounted alternately across the front face of the substrate.

IPC Classes  ?

26.

METHOD OF MONOCHROME PRINTING AT HIGH SPEEDS

      
Application Number 18339931
Status Pending
Filing Date 2023-06-22
First Publication Date 2023-10-19
Owner Memjet Technology Limited (Ireland)
Inventor
  • Brown, Brian
  • Hogan, Julie
  • Palliser, Ronan
  • Nazneen, Keshu
  • Le Hir, Juliette
  • Hardy, Rodney

Abstract

A method of printing an image from a print chip having plurality of horizontal nozzle rows. The method includes the steps of allocating first dot data for an image line of the image to nozzles in a first row portion of a first nozzle row; allocating second dot data for the image line to nozzles in a second row portion; sending the first and second dot data to the print chip and firing respective droplets. Some bits of the first dot data correspond to pixels of the image line aligned with the second row portion, and some bits of the second dot data correspond to pixels of the image line aligned with the first row portion.

IPC Classes  ?

  • B41J 2/145 - Arrangement thereof
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

27.

DURABOLT

      
Serial Number 98050524
Status Pending
Filing Date 2023-06-20
Owner Memjet Technology Limited (Ireland)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

printing machines for commercial or industrial use

28.

ORIENTATION-AGNOSTIC PRINT MODULE AND MULTIPLE PRINT MODULE ARRAY

      
Application Number EP2022080604
Publication Number 2023/104397
Status In Force
Filing Date 2022-11-02
Publication Date 2023-06-15
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Crichton, Peter
  • Grohn, Edmund James
  • Hogan, Julie
  • Palliser, Ronan

Abstract

An inkjet print module includes: a printhead having first and second rows of print chips, the printhead having 180 degree rotational symmetry about a print axis parallel to a direction of droplet ejection; a cradle for removably receiving the printhead; and control circuitry for distributing data signals to the printhead via first and second data paths of the inkjet print module. The cradle is configurable for receiving the printhead in first and second printhead orientations relative to the print module, the second printhead orientation being rotated 180 degrees about the print axis relative to the first printhead orientation. The control circuitry is configurable to invert distribution of the data signals between the first and second data paths.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms

29.

ORIENTATION-AGNOSTIC PRINT MODULE AND MULTIPLE PRINT MODULE ARRAY

      
Application Number 18062675
Status Pending
Filing Date 2022-12-07
First Publication Date 2023-06-08
Owner Memjet Technology Limited (Ireland)
Inventor
  • Crichton, Peter
  • Grohn, Edmund James
  • Hogan, Julie
  • Palliser, Ronan

Abstract

An inkjet print module includes: a printhead having first and second rows of print chips, the printhead having 180 degree rotational symmetry about a print axis parallel to a direction of droplet ejection; a cradle for removably receiving the printhead; and control circuitry for distributing data signals to the printhead via first and second data paths of the inkjet print module. The cradle is configurable for receiving the printhead in first and second printhead orientations relative to the print module, the second printhead orientation being rotated 180 degrees about the print axis relative to the first printhead orientation. The control circuitry is configurable to invert distribution of the data signals between the first and second data paths.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

30.

SELECTIVELY CONFIGURABLE PRINT MODULE

      
Application Number 18062680
Status Pending
Filing Date 2022-12-07
First Publication Date 2023-06-08
Owner Memjet Technology Limited (Ireland)
Inventor
  • Crichton, Peter
  • Grohn, Edmund James
  • Hogan, Julie
  • Palliser, Ronan

Abstract

An inkjet print module includes: a printhead having first and second rows of print chips, the printhead having 180 degree rotational symmetry about a print axis parallel to a direction of droplet ejection; a fixed printhead keying feature which is rotationally asymmetric about the print axis notwithstanding the rotational symmetry of the printhead; a cradle for removably receiving the printhead, the cradle having a key assembly for complementary engagement with the fixed printhead keying feature. The key assembly is selectively configurable in either one of first and second cradle configurations so as to receive the printhead either in a first printhead orientation or a second printhead orientation, the second printhead orientation being rotated 180 degrees about the print axis relative to the first printhead orientation.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages

31.

METHOD OF CONFIGURING ORIENTATION-AGNOSTIC PRINT MODULE

      
Application Number 18062690
Status Pending
Filing Date 2022-12-07
First Publication Date 2023-06-08
Owner Memjet Technology Limited (Ireland)
Inventor
  • Crichton, Peter
  • Grohn, Edmund James
  • Hogan, Julie
  • Palliser, Roman

Abstract

A method of configuring an orientation-agnostic inkjet print module for use in either one of first or second module orientations relative to a media path, the second module orientation being rotated 180 degrees relative to the first module orientation. The method includes the steps of: configuring a key assembly to correspond with either one of the first or second module orientations, the key assembly determining a printhead orientation of a respective printhead relative to the inkjet print module; and configuring a switch to correspond with either one of the first or second module orientations, the switch being operably connected to controller circuitry distributing data signals to the printhead via first and second data paths. The switch inverts distribution of the data signals between the first and second data paths.

IPC Classes  ?

  • B41J 25/00 - Actions or mechanisms not otherwise provided for

32.

Dither mask selection for printing using aligned printheads

      
Application Number 18058525
Grant Number 11831841
Status In Force
Filing Date 2022-11-23
First Publication Date 2023-03-16
Grant Date 2023-11-28
Owner Memjet Technology Limited (Ireland)
Inventor
  • Hardy, Rodney
  • Lawrence, James

Abstract

A method of printing an image using a printing system having first and second printheads supplied with a same ink. The method includes the steps of: allocating first lines of the image to the first printhead; allocating second lines of the image to the second printhead; dithering the first lines of the image using a selected first dither mask; dithering the second lines of the image using a selected second dither mask; printing the dithered first lines of the image using the first printhead; and printing the dithered second lines of the image using the second printhead. The first and second dither masks are selected based on a relative alignment of the first and second printheads.

IPC Classes  ?

  • G06K 15/02 - Arrangements for producing a permanent visual presentation of the output data using printers
  • G06K 15/10 - Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers
  • H04N 1/405 - Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
  • B41J 2/21 - Ink jet for multi-colour printing
  • H04N 1/52 - Circuits or arrangements for halftone screening
  • B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording

33.

THERMAL INKJET NOZZLE DEVICE

      
Application Number 17822372
Status Pending
Filing Date 2022-08-25
First Publication Date 2023-03-02
Owner Memjet Technology Limited (Ireland)
Inventor Horrocks, Glenn

Abstract

An inkjet nozzle device includes: a bubble chamber having a heating element for generating a vapour bubble and an orifice positioned for communicating an impulse from the vapour bubble; a first inlet for supplying a first fluid to the bubble chamber; an ejection chamber having a roof defining a nozzle and an adjoining wall between the ejection chamber and the bubble chamber, the adjoining wall defining the orifice; and a second inlet for supplying a second fluid to the ejection chamber. In use, the first and second fluids form a fluidic interface at the orifice and the vapour bubble provides the impulse to the second fluid in the ejection chamber via the orifice, such that the impulse ejects the second fluid from the nozzle.

IPC Classes  ?

34.

Method of printing onto variable-sized box substrates

      
Application Number 17822368
Grant Number 11809929
Status In Force
Filing Date 2022-08-25
First Publication Date 2023-03-02
Grant Date 2023-11-07
Owner Memjet Technology Limited (Ireland)
Inventor Wozniak, Terry

Abstract

A method of printing onto a planar box substrate used for assembling a box having predetermined box dimensions. The method includes the steps of: determining box dimensions based on the planar box substrate; retrieving generic instructions for image content to be printed on the box substrate; preparing box-specific transformations using the generic instructions and the box dimensions; applying the box-specific transformations on design components to generate image content portions commensurate with image content regions; generating image data based on the image content portions; and printing onto the box substrate using the image data.

IPC Classes  ?

  • G06K 15/00 - Arrangements for producing a permanent visual presentation of the output data
  • G06K 15/02 - Arrangements for producing a permanent visual presentation of the output data using printers
  • G06T 3/40 - Scaling of a whole image or part thereof
  • G06T 11/00 - 2D [Two Dimensional] image generation
  • G06K 15/10 - Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers

35.

THREAD-COATING MODULE WITH INK MANAGEMENT SYSTEM

      
Application Number 17815686
Status Pending
Filing Date 2022-07-28
First Publication Date 2023-02-02
Owner Memjet Technology Limited (Ireland)
Inventor Profaca, Mark

Abstract

A thread-coating module includes: a coating chamber having a thread entrance at one end and a thread exit at an opposite end thereof; and an inkjet printhead positioned in a printhead opening of the coating chamber for ejecting ink onto thread fed through the coating chamber. The coating chamber has an ink management system positioned opposite the printhead for managing excess ink. The ink management system includes: an inner ink-collection slot in fluid communication with a drain port for recycling excess ink and an outer aerosol-collection chamber fluidically connected to a vacuum port.

IPC Classes  ?

  • B41J 2/185 - Ink-collectors; Ink-catchers
  • B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
  • D06B 11/00 - Treatment of selected parts of textile materials, e.g. partial dyeing
  • D06P 5/30 - Ink jet printing

36.

Thread-coating module

      
Application Number 17815655
Grant Number 11872823
Status In Force
Filing Date 2022-07-28
First Publication Date 2023-02-02
Grant Date 2024-01-16
Owner Memjet Technology Limited (Ireland)
Inventor Profaca, Mark

Abstract

A thread-coating module includes: a base plate having a printhead opening; an inkjet printhead received in the printhead opening; and a chamber unit having a mouth for engagement with the base plate and an ink-collection slot opposing the printhead. The chamber unit and the base plate are movable relative to each other for opening and closing a coating chamber comprising the base plate and the chamber unit, with the ink-collection slot being positioned opposite the printhead in the coating chamber.

IPC Classes  ?

  • B41J 2/185 - Ink-collectors; Ink-catchers
  • B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
  • D06B 11/00 - Treatment of selected parts of textile materials, e.g. partial dyeing
  • D06P 5/30 - Ink jet printing
  • B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
  • B05C 11/10 - Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
  • B05C 15/00 - Enclosures for apparatus; Booths
  • B41J 3/60 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
  • D06B 23/30 - Means for cleaning apparatus or machines, or parts thereof
  • B05C 13/02 - Means for manipulating or holding work, e.g. for separate articles for particular articles
  • B41J 2/15 - Arrangement thereof for serial printing
  • D06B 23/02 - Rollers

37.

THREAD-COATING MODULE

      
Application Number EP2022069205
Publication Number 2023/006392
Status In Force
Filing Date 2022-07-08
Publication Date 2023-02-02
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Profaca, Mark

Abstract

A thread-coating module includes: a base plate having a printhead opening; an inkjet printhead received in the printhead opening; and a chamber unit having a mouth for engagement with the base plate and an ink-collection slot opposing the printhead. The chamber unit and the base plate are movable relative to each other for opening and closing a coating chamber comprising the base plate and the chamber unit, with the ink-collection slot being positioned opposite the printhead in the coating chamber.

IPC Classes  ?

  • B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
  • D06B 11/00 - Treatment of selected parts of textile materials, e.g. partial dyeing
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 25/00 - Actions or mechanisms not otherwise provided for
  • D06P 1/00 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed

38.

INKJET PRINTHEAD FOR REDUNDANT PRINTING

      
Application Number 17935674
Status Pending
Filing Date 2022-09-27
First Publication Date 2023-01-19
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David
  • Thomas, Andrew

Abstract

A pagewide printhead for redundant printing has first and second rows of printhead chips mounted on a common ink manifold. The ink manifold has four ink supply channels for supplying ink to the first and second rows of printhead chips. Dedicated ink outlets interconnect one ink supply channel of the ink manifold with two color channels in each printhead chip.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/14 - Structure thereof
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 2/175 - Ink supply systems
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 25/34 - Bodily-changeable print heads or carriages

39.

Thermal regulation in long inkjet printhead

      
Application Number 17847048
Grant Number 11951736
Status In Force
Filing Date 2022-06-22
First Publication Date 2022-12-29
Grant Date 2024-04-09
Owner Memjet Technology Limited (Ireland)
Inventor
  • Hudson, Michael
  • Burke, David
  • Chen, Qing
  • Lowe, Graeme
  • Thelander, Jason Mark
  • Munton, Ellaine

Abstract

An inkjet printing system includes: (a) an inkjet printhead having a rigid elongate manifold with first and second parallel ink supply channels extending along a length of the manifold between respective ink ports positioned at opposite ends thereof; and a plurality of printhead chips mounted to a lower surface of the manifold, the ink supply channels supplying ink to the printhead chips via ink outlets defined in the lower surface. One end of the manifold has a first ink inlet port for the first ink supply channel and an ink outlet port for the second ink supply channel. The other end of the manifold has a first ink outlet port for the first ink supply channel and a second ink inlet port for the second ink supply channel. An ink delivery system is configured to flow ink along the first and second channels in opposite directions.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/145 - Arrangement thereof
  • B41J 2/175 - Ink supply systems

40.

THERMAL REGULATION IN LONG INKJET PRINTHEAD

      
Application Number EP2022064137
Publication Number 2022/268427
Status In Force
Filing Date 2022-05-25
Publication Date 2022-12-29
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Hudson, Michael
  • Burke, David
  • Chen, Qing
  • Lowe, Graeme
  • Thelander, Jason
  • Munton, Ellaine

Abstract

An inkjet printing system includes: (a) an inkjet printhead having a rigid elongate manifold with first and second parallel ink supply channels extending along a length of the manifold between respective ink ports positioned at opposite ends thereof; and a plurality of printhead chips mounted to a lower surface of the manifold, the ink supply channels supplying ink to the printhead chips via ink outlets defined in the lower surface. One end of the manifold has a first ink inlet port for the first ink supply channel and an ink outlet port for the second ink supply channel. The other end of the manifold has a first ink outlet port for the first ink supply channel and a second ink inlet port for the second ink supply channel. An ink delivery system is configured to flow ink along the first and second channels in opposite directions.

IPC Classes  ?

41.

Printing unit with three printheads

      
Application Number 17821733
Grant Number 11884084
Status In Force
Filing Date 2022-08-23
First Publication Date 2022-12-22
Grant Date 2024-01-30
Owner Memjet Technology Limited (Ireland)
Inventor
  • Profaca, Mark
  • Burke, David Oliver
  • Sy, Billy
  • Alemana, Gilbert
  • Hibbard, Christopher
  • Balala, Rommel

Abstract

A printing unit includes: three elongate printheads positioned in a staggered overlapping arrangement for spanning across a media feed path, wherein a first printhead and a second printhead are longitudinally spaced apart and positioned in a row across the media feed path and a third printhead is offset from and overlaps with both the first and second printheads; three wipers for longitudinally wiping respective printheads in a direction perpendicular to a media feed direction, each wiper being parked at one longitudinal end of its respective printhead. One of the wipers, in its parked position, is positioned in a space between the first and second printheads.

IPC Classes  ?

  • B41J 2/16 - Production of nozzles
  • B41J 29/38 - Drives, motors, controls, or automatic cut-off devices for the entire printing mechanism
  • B41J 2/175 - Ink supply systems
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 29/02 - Framework
  • B41J 29/377 - Cooling or ventilating arrangements
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 25/00 - Actions or mechanisms not otherwise provided for

42.

SYSTEM FOR REMOVING CONDENSATE FROM PRINTHEAD

      
Application Number EP2022062071
Publication Number 2022/248182
Status In Force
Filing Date 2022-05-04
Publication Date 2022-12-01
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Burke, David

Abstract

A printing device (1) includes: an inkjet printhead (5) having a row of ink ejection devices; a lift mechanism configured for raising and lowering the printhead between a maintenance position and a printing position; a conveyor tape (12) positioned below the printhead (5) in the printing position, the conveyor tape (12) defining a slot (19) aligned with the row of ink ejection devices; and a tape movement mechanism (16) for moving the tape longitudinally along the length of the printhead (5). The tape movement mechanism (16) is configured to move the tape (12) along the printhead during printing, thereby conveying condensate accumulated on an underside of the tape (12) away from the printhead (5).

IPC Classes  ?

  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface

43.

System for removing condensate from printhead

      
Application Number 17749914
Grant Number 11993084
Status In Force
Filing Date 2022-05-20
First Publication Date 2022-11-24
Grant Date 2024-05-28
Owner Memjet Technology Limited (Ireland)
Inventor Burke, David

Abstract

A printing device includes: an inkjet printhead having a row of ink ejection devices; a lift mechanism configured for raising and lowering the printhead between a maintenance position and a printing position; a conveyor tape positioned below the printhead in the printing position, the conveyor tape defining a slot aligned with the row of ink ejection devices; and a tape movement mechanism for moving the tape longitudinally along the length of the printhead. The tape movement mechanism is configured to move the tape along the printhead during printing, thereby conveying condensate accumulated on an underside of the tape away from the printhead.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

44.

Spit flap for inkjet printhead

      
Application Number 17745626
Grant Number 11840098
Status In Force
Filing Date 2022-05-16
First Publication Date 2022-11-17
Grant Date 2023-12-12
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David
  • Thelander, Jason Mark
  • Baterna, Dan
  • Balala, Rommel
  • Crichton, Peter

Abstract

A printing device includes: an inkjet printhead; a lift mechanism for raising and lowering the printhead through a lift path; and a pivotally movable spit flap positioned in the lift path. The spit flap is configured to swing away from the lift path when the printhead contacts the spit flap during lowering of the printhead.

IPC Classes  ?

  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

45.

Printhead module for pagewide printhead having narrow print zone

      
Application Number 17862013
Grant Number 11760094
Status In Force
Filing Date 2022-07-11
First Publication Date 2022-10-27
Grant Date 2023-09-19
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason Mark
  • Burke, David Oliver

Abstract

A printhead module for a modular pagewide inkjet printhead. The printhead module has only four rows of print chips configured for printing four different inks, each print chip having multiple nozzle rows for redundant monochrome printing of one respective ink. A print zone of the printhead module has a width of less than 100 mm across the four rows of print chips.

IPC Classes  ?

46.

Pressure-regulating valve with dual valve members

      
Application Number 17713475
Grant Number 11782463
Status In Force
Filing Date 2022-04-05
First Publication Date 2022-10-20
Grant Date 2023-10-10
Owner Memjet Technology Limited (Ireland)
Inventor
  • Yourlo, Zhenya
  • Behi, Mohammadreza
  • Crichton, Peter
  • Berry, Norman Micheal

Abstract

A pressure regulating valve for an inkjet printhead. The valve includes: a valve inlet connect to a valve outlet; via a flow path; a first orifice positioned in the flow path having a sealable first seat; a movable first valve member configured for sealing engagement with the first seat; a second orifice positioned in the flow path; a movable second valve member configured for regulating a fluid flow rate through the second orifice; a regulator chamber having the valve outlet and comprising a diaphragm operatively connected to the second valve member, such that movement of the diaphragm moves the second valve member relative to the second orifice; and a biasing mechanism for resiliently biasing the diaphragm away from the second orifice.

IPC Classes  ?

  • G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
  • B41J 2/175 - Ink supply systems

47.

Ink delivery system with gravity, valve and pump control of backpressure

      
Application Number 17713504
Grant Number 11789473
Status In Force
Filing Date 2022-04-05
First Publication Date 2022-10-20
Grant Date 2023-10-17
Owner Memjet Technology Limited (Ireland)
Inventor
  • Yourlo, Zhenya
  • Behi, Mohammadreza
  • Crichton, Peter
  • Berry, Norman Micheal

Abstract

2 of the valve orifice relative to the printhead, a position of a valve member relative to the orifice and a pump speed of the pump.

IPC Classes  ?

  • G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
  • B41J 2/175 - Ink supply systems

48.

Pressure-regulating valve with non-linear flow regulator

      
Application Number 17713516
Grant Number 11940820
Status In Force
Filing Date 2022-04-05
First Publication Date 2022-10-20
Grant Date 2024-03-26
Owner Memjet Technology Limited (Ireland)
Inventor
  • Yourlo, Zhenya
  • Behi, Mohammadreza
  • Crichton, Peter
  • Berry, Norman Micheal

Abstract

A pressure regulating valve for an inkjet printhead. The valve includes: a fluid flow path defined between a valve inlet and a valve outlet; an orifice positioned in the flow path; a movable valve member configured for regulating a fluid flow rate through the orifice; a regulator chamber having the valve outlet and including a diaphragm operatively connected to the valve member, such that movement of the diaphragm moves the valve member relative to the orifice; and a biasing mechanism for resiliently biasing the diaphragm away from the orifice. An outer surface of the valve member is non-linearly flared away from the diaphragm.

IPC Classes  ?

  • G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
  • B41J 2/175 - Ink supply systems

49.

Additive manufacturing using thermal inkjet printheads

      
Application Number 17713568
Grant Number 11919074
Status In Force
Filing Date 2022-04-05
First Publication Date 2022-10-20
Grant Date 2024-03-05
Owner Memjet Technology Limited (Ireland)
Inventor Fielder, Simon

Abstract

An additive manufacturing method using an inkjet printhead supplied with a binder fluid, said method comprising the steps of: (a) providing a layer of powdered build material including a monomer; (b) selectively jetting the binder fluid onto predetermined regions of the layer of powdered build material, the binder fluid comprising a catalyst; (c) optionally exposing the layer of powdered build material to an energy source to initiate polymerization of the monomer; and (d) optionally repeating steps (a) to (c).

IPC Classes  ?

  • B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
  • B22F 1/145 - Chemical treatment, e.g. passivation or decarburisation
  • B22F 12/40 - Radiation means
  • B22F 12/50 - Means for feeding of material, e.g. heads
  • 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 70/00 - Materials specially adapted for additive manufacturing

50.

PRESSURE-REGULATING VALVE WITH DUAL VALVE MEMBERS

      
Application Number EP2022055772
Publication Number 2022/218605
Status In Force
Filing Date 2022-03-07
Publication Date 2022-10-20
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Yourlo, Zhenya
  • Behi, Reza
  • Crichton, Peter
  • Berry, Norman Micheal

Abstract

A pressure regulating valve for an inkjet printhead. The valve includes: a valve inlet connect to a valve outlet; via a flow path; a first orifice positioned in the flow path having a sealable first seat; a movable first valve member configured for sealing engagement with the first seat; a second orifice positioned in the flow path; a movable second valve member configured for regulating a fluid flow rate through the second orifice; a regulator chamber having the valve outlet and comprising a diaphragm operatively connected to the second valve member, such that movement of the diaphragm moves the second valve member relative to the second orifice; and a biasing mechanism for resiliently biasing the diaphragm away from the second orifice.

IPC Classes  ?

  • B41J 2/175 - Ink supply systems
  • G05D 16/16 - Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid

51.

Integrated inkjet module with liftable print modules and aerosol collector

      
Application Number 17852231
Grant Number 11712905
Status In Force
Filing Date 2022-06-28
First Publication Date 2022-10-13
Grant Date 2023-08-01
Owner Memjet Technology Limited (Ireland)
Inventor Profaca, Mark

Abstract

An integrated inkjet module includes: a support chassis configured for fixedly mounting over a media feed path; a maintenance chassis mounted on the support chassis; a print bar chassis liftably mounted on the maintenance chassis, the print bar chassis having a plurality of print modules mounted thereon, each print module comprising a respective printhead; and an aerosol collector fixed to the support chassis and positioned for collecting ink mist generated during printing.

IPC Classes  ?

  • B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 29/02 - Framework
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 29/06 - Special supports, platforms, or trolleys for supporting machines on tables

52.

INKJET INKS FOR MINIMIZING GHOSTING ARTEFACTS

      
Application Number EP2022054152
Publication Number 2022/184478
Status In Force
Filing Date 2022-02-18
Publication Date 2022-09-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Prashar, Jognandan

Abstract

An inkjet ink includes: an ink vehicle; a polymer; a surfactant package containing an ethoxylated acetylenic nonionic surfactant having an HLB value in the range of 5 to 10; and an ABA-type bis-alkoxylated silicone compound. The ink has a surface tension in the range of 26 to 31 mN/m.

IPC Classes  ?

  • C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

53.

INKJET INKS FOR MINIMIZING GHOSTING ARTEFACTS

      
Application Number 17680075
Status Pending
Filing Date 2022-02-24
First Publication Date 2022-09-08
Owner Memjet Technology Limited (Ireland)
Inventor Prashar, Jognandan

Abstract

An inkjet ink includes: an ink vehicle; a polymer; a surfactant package containing an ethoxylated acetylenic nonionic surfactant having an HLB value in the range of 5 to 10; and an ABA-type bis-alkoxylated silicone compound. The ink has a surface tension in the range of 26 to 31 mN/m.

IPC Classes  ?

  • C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
  • C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
  • C09D 11/322 - Pigment inks
  • C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
  • C08G 77/46 - Block- or graft-polymers containing polysiloxane sequences containing polyether sequences
  • C08K 5/17 - Amines; Quaternary ammonium compounds
  • C08G 65/08 - Saturated oxiranes
  • C08L 25/14 - Copolymers of styrene with unsaturated esters
  • B41J 2/135 - Nozzles

54.

Wafer assembly for MEMS fabrication

      
Application Number 17739937
Grant Number 11823943
Status In Force
Filing Date 2022-05-09
First Publication Date 2022-09-08
Grant Date 2023-11-21
Owner Memjet Technology Limited (Ireland)
Inventor
  • Arnal, Nicolas
  • Quimpo, Troy Pasiola
  • North, Angus

Abstract

A wafer assembly for use in a MEMS fabrication process. The wafer package includes: a MEMS wafer having a first side and an opposite second side; a silicone-free peel tape releasably attached to the first side of the wafer; a wafer bonding tape attached to the peel tape; and a carrier substrate releasably attached to the first wafer bonding tape.

IPC Classes  ?

  • H01L 21/683 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components for supporting or gripping

55.

Printhead module having alternate longitudinal ink supply channels and slots

      
Application Number 17744028
Grant Number 11718096
Status In Force
Filing Date 2022-05-13
First Publication Date 2022-08-25
Grant Date 2023-08-08
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason Mark
  • Burke, David Oliver

Abstract

A printhead module includes: a monolithic substrate having alternate longitudinal slots and longitudinal ink supply channels defined through a thickness of the substrate and extending parallel with each other along a length of the substrate; and a plurality of rows of print chips mounted on a front face of the substrate, each row of print chips receiving ink only from a respective one of the ink supply channels. Each one of the longitudinal slots is configured to supply power and data only to a respective one of the rows of print chips.

IPC Classes  ?

56.

THERMAL BEND ACTUATOR HAVING IMPROVED LIFETIME

      
Application Number EP2021087407
Publication Number 2022/161716
Status In Force
Filing Date 2021-12-22
Publication Date 2022-08-04
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • O'Reilly, Ronan
  • Shnider, Michael
  • Hacket, Darren
  • Donohoe, Brian
  • Reid, Kim
  • Bagnat, Misty
  • Byrne, Owen
  • Barcuk, Alexandra

Abstract

A thermal bend actuator includes: a thermoelastic beam for connection to drive circuitry; and a passive beam mechanically cooperating with the thermoelastic beam, such that when a current is passed through the thermoelastic beam, the thermoelastic beam expands relative to the passive beam resulting in bending of the actuator. The thermoelastic beam wherein the thermoelastic beam is comprised of an aluminium alloy. The aluminium alloy comprises a first metal which is aluminium, a second metal, and at least 0.1 at.% of a third metal selected from the group consisting of: copper, scandium, tungsten, molybdenum, chromium, titanium, silicon and magnesium.

IPC Classes  ?

57.

Inkjet printhead assembly with wirebond protection

      
Application Number 17565267
Grant Number 11807006
Status In Force
Filing Date 2021-12-29
First Publication Date 2022-06-30
Grant Date 2023-11-07
Owner Memjet Technology Limited (Ireland)
Inventor Horrocks, Glenn

Abstract

A printhead assembly includes: an ink manifold comprised of a first metal; printhead chips mounted on the ink manifold and receiving ink therefrom, each printhead chip having a plurality of bond pads; a PCB mounted on the ink manifold, the PCB having a plurality of contact pads; a plurality of wirebonds interconnecting the bond pads and the contact pads, the wirebonds being comprised of a second metal; an encapsulant material encapsulating the wirebonds, the bond pads and the contact pads; and a voltage source. The ink manifold and the wirebonds are electrically connectable to the voltage source to provide cathodic protection of the wirebonds.

IPC Classes  ?

  • B41J 2/15 - Arrangement thereof for serial printing
  • B41J 2/14 - Structure thereof
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 29/38 - Drives, motors, controls, or automatic cut-off devices for the entire printing mechanism

58.

PRINTHEAD MAINTENANCE SYSTEM

      
Application Number EP2021073433
Publication Number 2022/063510
Status In Force
Filing Date 2021-08-24
Publication Date 2022-03-31
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Yourlo, Zhenya
  • Behi, Reza

Abstract

A printhead maintenance system (1) includes: an elongate inkjet printhead (3) having a nozzle face (8) containing a plurality of inkjet nozzles; a carriage (5) movable longitudinally along the printhead in a cleaning direction, the carriage including a maintenance member (7) having: a fluid bath (20) having a mouth opposing the nozzle face (8) of the printhead, a primary fluid inlet (24) at an upstream end of the fluid bath relative to the cleaning direction and a fluid outlet (26) at a downstream end of the fluid bath relative to the cleaning direction; and a traversing mechanism for traversing the carriage (5) longitudinally along the printhead (3) in the cleaning direction. The maintenance member (7) does not contact inkjet nozzles (8) of the printhead (3), and the fluid bath (20) is configured to provide a greater fluid velocity at the downstream end relative to the upstream end.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

59.

METHOD AND PRINT CHIP FOR SINGLE-PASS MONOCHROME PRINTING AT HIGH SPEEDS

      
Application Number EP2021072548
Publication Number 2022/053257
Status In Force
Filing Date 2021-08-12
Publication Date 2022-03-17
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Hogan, Julie
  • Palliser, Ronan
  • Sheehan, John
  • Brown, Brian
  • Forbes, Caitriona
  • Lehane, Pat

Abstract

A method of printing an image from a printhead module having a plurality of horizontal nozzle rows. Each nozzle row has a main row portion and a corresponding dropped row portion vertically offset from the main row portion. The method includes the steps of: determining a predetermined delay for the dropped row portions based on the offset, a print speed and a print resolution; allocating dot data for image lines to respective nozzle rows based on the print speed and print resolution, sending first dot data for each main row portion and second dot data for each dropped row portion to the printhead module; and firing nozzles from the main row portions and dropped row portion in a predetermined sequence. Each dropped row portion is fired independently of its corresponding main row portion and delayed relative to its corresponding main row portion by the predetermined delay.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/21 - Ink jet for multi-colour printing

60.

RAMPING DOT DATA FOR SINGLE-PASS MONOCHROME PRINTING AT HIGH SPEEDS

      
Application Number EP2021072549
Publication Number 2022/053258
Status In Force
Filing Date 2021-08-12
Publication Date 2022-03-17
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Brown, Brian
  • Hogan, Julie
  • Palliser, Ronan
  • Nazneen, Keshu
  • Le Hir, Juliette
  • Hardy, Rodney

Abstract

A method of printing an image from a printhead module having a plurality of horizontal nozzle rows. The method includes the steps of: allocating first dot data for an image line of the image to nozzles in a main row portion of a first nozzle row; allocating second dot data for the image line to nozzles in a dropped row portion of the first nozzle row; sending the first and second dot data to the printhead module and firing respective droplets. Some bits of the first dot data correspond to pixels of the image line aligned with the dropped row portion, and some bits of the second dot data correspond to pixels of the image line aligned with the main row portion.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/21 - Ink jet for multi-colour printing

61.

Sub-row firing method for single-pass monochrome printing at high speeds

      
Application Number 17467909
Grant Number 11772376
Status In Force
Filing Date 2021-09-07
First Publication Date 2022-03-10
Grant Date 2023-10-03
Owner Memjet Technology Limited (Ireland)
Inventor
  • Hogan, Julie Catherine
  • Palliser, Ronan
  • Sheahan, John
  • Brown, Brian
  • Forbes, Caitriona
  • Lehane, Pat

Abstract

A method of printing an image from a printhead module having a plurality of horizontal ink planes M supplied with a same ink. Each ink plane has a nozzle row and the nozzles rows of all ink planes have vertically aligned nozzles. The method includes the steps of: defining contiguous span groups along each nozzle row, each span group containing N nozzles; allocating dot data for each image line of the image to a predetermined number of nozzles P in each span group of each nozzle row; sending the dot data to the printhead module and firing nozzles sequentially from the ink planes to print the image line. Only one nozzle from each span group in a same nozzle row is fired simultaneously, N is an integer multiple of M, and P is N divided by M.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

62.

Method for single-pass monochrome printing at high speeds

      
Application Number 17467872
Grant Number 11813861
Status In Force
Filing Date 2021-09-07
First Publication Date 2022-03-10
Grant Date 2023-11-14
Owner Memjet Technology Limited (Ireland)
Inventor
  • Hogan, Julie Catherine
  • Palliser, Ronan
  • Sheahan, John
  • Brown, Brian
  • Forbes, Caitriona
  • Lehane, Pat

Abstract

A method of printing an image from a printhead module having a plurality of horizontal nozzle rows. Each nozzle row has a main row portion and a corresponding dropped row portion vertically offset from the main row portion. The method includes the steps of: determining a predetermined delay for the dropped row portions based on the offset, a print speed and a print resolution; allocating dot data for image lines to respective nozzle rows based on the print speed and print resolution, sending first dot data for each main row portion and second dot data for each dropped row portion to the printhead module; and firing nozzles from the main row portions and dropped row portion in a predetermined sequence. Each dropped row portion is fired independently of its corresponding main row portion and delayed relative to its corresponding main row portion by the predetermined delay.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

63.

Print chip configured for single-pass monochrome printing at high speeds

      
Application Number 17467896
Grant Number 11820139
Status In Force
Filing Date 2021-09-07
First Publication Date 2022-03-10
Grant Date 2023-11-21
Owner Memjet Technology Limited (Ireland)
Inventor
  • Hogan, Julie Catherine
  • Palliser, Ronan
  • Sheahan, John
  • Brown, Brian
  • Forbes, Caitriona
  • Lehane, Pat

Abstract

A print chip includes: an elongate silicon substrate defining nominal leading and trailing longitudinal sides of the print chip; circuitry layers positioned on the silicon substrate; and a MEMS layer positioned on the circuitry layers. The MEMS layer includes a plurality of parallel nozzle rows, each nozzle row having a plurality of inkjet nozzle devices arranged in a main row portion and a dropped row portion offset from the main row portion. The circuitry layers include data latches configured to provide dot data for the inkjet nozzle devices. A first row of data latches is positioned adjacent a leading row of the main row portion, and a second row of data latches is positioned adjacent a trailing row of the dropped row portion.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

64.

Ramping dot data for single-pass monochrome printing at high speeds

      
Application Number 17468164
Grant Number 11724502
Status In Force
Filing Date 2021-09-07
First Publication Date 2022-03-10
Grant Date 2023-08-15
Owner Memjet Technology Limited (Ireland)
Inventor
  • Brown, Brian
  • Hogan, Julie
  • Palliser, Ronan
  • Nazneen, Keshu
  • Le Hir, Juliette
  • Hardy, Rodney

Abstract

A method of printing an image from a printhead module having a plurality of horizontal nozzle rows. The method includes the steps of: allocating first dot data for an image line of the image to nozzles in a main row portion of a first nozzle row; allocating second dot data for the image line to nozzles in a dropped row portion of the first nozzle row; sending the first and second dot data to the printhead module and firing respective droplets. Some bits of the first dot data correspond to pixels of the image line aligned with the dropped row portion, and some bits of the second dot data correspond to pixels of the image line aligned with the main row portion.

IPC Classes  ?

  • B41J 2/14 - Structure thereof
  • B41J 2/145 - Arrangement thereof
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

65.

Mismatched nozzle rows for single-pass monochrome printing at high speeds

      
Application Number 17468199
Grant Number 11787182
Status In Force
Filing Date 2021-09-07
First Publication Date 2022-03-10
Grant Date 2023-10-17
Owner Memjet Technology Limited (Ireland)
Inventor
  • Brown, Brian
  • Hogan, Julie
  • Palliser, Ronan
  • Nazneen, Keshu
  • Le Hir, Juliette
  • Hardy, Rodney

Abstract

A method of printing an image from a printhead module having a plurality of horizontal nozzle rows, the method including the steps of: allocating first dot data for an image line of the image to nozzles of a main row portion of a first nozzle row; allocating second dot data for the image line to nozzles of a dropped row portion of a second nozzle row; and sending the first and second dot data to the printhead module and firing respective droplets. Each nozzle row of the printhead module has a same number of nozzles N; and the first nozzle row and the second nozzle row are non-corresponding nozzle rows, such that a number of nozzles contained in the main portion of the first nozzle row and a number of nozzles contained in the dropped row portion of the second nozzle row is greater or fewer than N nozzles.

IPC Classes  ?

  • B41J 2/14 - Structure thereof
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/145 - Arrangement thereof

66.

Inkjet printhead having robust encapsulation of wirebonds

      
Application Number 17399818
Grant Number 11701883
Status In Force
Filing Date 2021-08-11
First Publication Date 2022-02-17
Grant Date 2023-07-18
Owner Memjet Technology Limited (Ireland)
Inventor
  • Perez, Elmer Dimaculangan
  • Tan, See-Huat
  • Horrocks, Glenn
  • Hossain, Mohammad
  • Webb, Michael John
  • Blanquer, Pascal
  • Coolen, Erik

Abstract

An electronic assembly includes a substrate having a die and PCB mounted thereon. Wirebonds interconnect bond pads of the die with contact pads of the PCB, each wirebond having a first end portion bonded to a respective bond pad, an opposite second end portion bonded to a respective contact pad and an intermediate section extending between the first and second end portions. A dam encapsulant encapsulates each of the first and second end portions, a first fill encapsulant contacts the substrate and the dam encapsulant; and a second fill encapsulant overlies the first fill encapsulant. The first fill encapsulant has a lower modulus of elasticity than the second fill encapsulant and the dam encapsulant.

IPC Classes  ?

67.

INKJET PRINTHEAD HAVING ROBUST ENCAPSULATION OF WIREBONDS

      
Application Number EP2021070190
Publication Number 2022/033814
Status In Force
Filing Date 2021-07-19
Publication Date 2022-02-17
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Perez, Elmer
  • Tan, See-Huat
  • Horrocks, Glenn
  • Hossain, Mohammad
  • Webb, Michael
  • Blanquer, Pascal
  • Coolen, Erik

Abstract

An electronic assembly includes a substrate having a die and PCB mounted thereon. Wirebonds interconnect bond pads of the die with contact pads of the PCB, each wirebond having a first end portion bonded to a respective bond pad, an opposite second end portion bonded to a respective contact pad and an intermediate section extending between the first and second end portions. A dam encapsulant encapsulates each of the first and second end portions, a first fill encapsulant contacts the substrate and the dam encapsulant; and a second fill encapsulant overlies the first fill encapsulant. The first fill encapsulant has a lower modulus of elasticity than the second fill encapsulant and the dam encapsulant.

IPC Classes  ?

68.

METHOD OF EVALUATING PRINTHEAD CONDITION

      
Application Number EP2021055957
Publication Number 2021/204480
Status In Force
Filing Date 2021-03-09
Publication Date 2021-10-14
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Lau, Daniel

Abstract

A method of determining a condition of a printhead (1). The method includes the steps of: (i) printing a test image (10) using the printhead, (ii) optically imaging the test image and determining optical densities along a length of the test image; (iii) converting the optical densities into a single-dimensional signal (18); (iv) analyzing one or more portions of the signal using a convolutional neural network to provide a classification for corresponding portions of the signal; and (v) using each classification to determine the condition of corresponding portions of the printhead..

IPC Classes  ?

  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 29/393 - Devices for controlling or analysing the entire machine
  • H04N 1/60 - Colour correction or control
  • G06T 7/00 - Image analysis
  • G06N 3/00 - Computing arrangements based on biological models
  • G06F 3/12 - Digital output to print unit
  • G06N 3/04 - Architecture, e.g. interconnection topology
  • G06N 3/08 - Learning methods

69.

INK TANK WITH INTEGRATED FILTER

      
Application Number EP2021055823
Publication Number 2021/185621
Status In Force
Filing Date 2021-03-08
Publication Date 2021-09-23
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Tow, Gregory
  • Mcauliffe, Patrick
  • Yourlo, Zhenya

Abstract

An ink tank for an ink delivery system includes: a housing having an ink inlet port and an ink outlet port; an air vent communicating with a headspace of the ink tank; a filter positioned in the housing for filtering ink supplied from the ink tank via the ink outlet port; and a baffle plate positioned in the housing between the ink inlet port and the filter. The baffle plate is configured for directing air bubbles entering the ink tank via the ink inlet port towards the headspace of the ink tank. A baffle opening is positioned towards a base of the ink tank, thereby allowing ink to flow from the ink inlet port towards the ink outlet port via the baffle opening.

IPC Classes  ?

  • B41J 2/175 - Ink supply systems
  • B41J 2/18 - Ink recirculation systems
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/195 - Ink jet characterised by ink handling for monitoring ink quality

70.

METHOD OF DITHERING FOR HIGH-SPEED SINGLE-PASS PRINTING

      
Application Number EP2021055953
Publication Number 2021/185635
Status In Force
Filing Date 2021-03-09
Publication Date 2021-09-23
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Hardy, Rodney
  • Lawrence, James

Abstract

A method of single-pass printing uses a printing system having first and second aligned printheads (2, 4) supplied with a same ink. The method includes the steps of: receiving first and second halftone images at the first and second printheads, respectively; printing the first halftone image from the first printhead (2); and printing the second halftone image from the second printhead (4). The first halftone image is based on a first dither pattern and the second halftone image is based on a second dither pattern, the first dither pattern being different than the second dither pattern.

IPC Classes  ?

  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 2/505 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements
  • B41J 2/515 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements line printer type
  • G06K 15/02 - Arrangements for producing a permanent visual presentation of the output data using printers
  • G06K 15/10 - Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers

71.

LOW-COST INK DELIVERY SYSTEM FOR CONTROLLING INK PRESSURE

      
Application Number EP2021050206
Publication Number 2021/164951
Status In Force
Filing Date 2021-01-07
Publication Date 2021-08-26
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Yourlo, Zhenya
  • Thomas, Andrew

Abstract

An ink delivery system for delivering ink to an inkjet printhead. The system includes a first ink tank, a second ink tank, a main air line having an air inlet and an air outlet; a first air line interconnecting the first ink tank and the main air line; a second air line interconnecting the second ink tank and the main air line; an air pump positioned in the main air line; first and second airflow restrictor positioned in the main air line; an ink circulation line interconnecting the first and second ink tanks; and an ink pump positioned in the ink circulation line for pumping ink from the first ink tank to the second ink tank.

IPC Classes  ?

72.

THREAD COATING USING INKJET PRINTHEAD

      
Application Number EP2021051088
Publication Number 2021/160384
Status In Force
Filing Date 2021-01-19
Publication Date 2021-08-19
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Roetker, Thomas
  • Thelander, Jason
  • Profaca, Mark
  • Hassibi, Payman

Abstract

A method of coating threads using a printhead having rows of nozzles extending along a length of the printhead. The method includes the steps of: feeding the thread along a length of the printhead; and ejecting ink from the rows of nozzles towards the thread. Thread-coating modules and thread-coating systems make use of the method described.

IPC Classes  ?

  • B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
  • B41J 2/01 - Ink jet
  • D06P 5/30 - Ink jet printing
  • B41J 2/21 - Ink jet for multi-colour printing
  • D06B 11/00 - Treatment of selected parts of textile materials, e.g. partial dyeing

73.

METHOD AND SYSTEM FOR PRIMING DRY PRINTHEADS

      
Application Number EP2021051089
Publication Number 2021/160385
Status In Force
Filing Date 2021-01-19
Publication Date 2021-08-19
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Yourlo, Zhenya

Abstract

A system for priming a dry inkjet printhead (4). The system includes: the inkjet printhead (4) having an inlet port (8) connected to an upstream ink line and an outlet port (14) connected to a downstream ink line; a pump (40) operably connected to the downstream ink line; a capper (200) engaged with printhead; a vacuum source for applying suction to a capping chamber (202) of the capper (200); and a control system for coordinating actuation of the pump and the vacuum source. In use, the pump (40) is actuated simultaneously with the vacuum source, thereby drawing ink through the printhead (4) from the inlet port to the outlet port and priming the printhead.

IPC Classes  ?

  • B41J 2/17 - Ink jet characterised by ink handling
  • B41J 2/18 - Ink recirculation systems
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles

74.

PRINTHEAD MODULE HAVING THROUGH-SLOTS FOR SUPPLYING POWER AND DATA

      
Application Number EP2020073135
Publication Number 2021/047868
Status In Force
Filing Date 2020-08-18
Publication Date 2021-03-18
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David

Abstract

A printhead module includes a monolithic substrate having a plurality of rows of print chips mounted thereon. Each row of print chips receives power and data through a respective longitudinal slot defined through a thickness of the substrate, each longitudinal slot extending parallel with and offset from the rows of print chips.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing

75.

MODULAR INKJET PRINTHEAD FOR REDUNDANT PAGEWIDE PRINTING

      
Application Number EP2020073133
Publication Number 2021/047867
Status In Force
Filing Date 2020-08-18
Publication Date 2021-03-18
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David

Abstract

A modular inkjet printhead includes a plurality of printhead modules arranged end on end in a row. Each printhead module includes: a substrate having a plurality of parallel ink supply channels extending longitudinally along a length thereof and a plurality of parallel printhead segments. Each printhead segment extends longitudinally along a length of the substrate and has a plurality of print chips arranged end on end in a row. A plurality of fingers extend longitudinally from opposite ends of each printhead module, each finger including a portion of a respective one of the printhead segments. The fingers of neighboring printhead modules are interdigitated such that printhead segments of neighboring printhead modules overlap.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing

76.

MEMS CHIP ASSEMBLY HAVING MULTIPLE TRENCHES

      
Application Number 17096892
Status Pending
Filing Date 2020-11-12
First Publication Date 2021-03-04
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Perez, Elmer Dimaculangan
  • North, Angus
  • Lowe, Graeme
  • Tan, See-Huat
  • Barton, Christopher

Abstract

A MEMS chip assembly includes: a support structure having a chip mounting surface; a MEMS chip mounted on the chip mounting surface, the MEMS chip having an active surface including one or more rows of MEMS devices and a row of bond pads disposed alongside a connection edge of the MEMS chip and parallel with the rows of MEMS devices; electrical connectors connected to the bond pads; and an encapsulant material covering the electrical connectors. The MEMS chip has a plurality of trenches defined in the active surface, the trenches extending parallel with the rows of MEMS devices and disposed between the bond pads and the MEMS devices. The encapsulant material does not encroach past the trenches towards the MEMS devices.

IPC Classes  ?

  • B64C 39/02 - Aircraft not otherwise provided for characterised by special use
  • G05D 1/00 - Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot

77.

MEMS INKJET PRINTHEAD HAVING RECIRCULATING INK PATHWAY

      
Application Number EP2020072067
Publication Number 2021/037510
Status In Force
Filing Date 2020-08-05
Publication Date 2021-03-04
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Hudson, Michael

Abstract

A MEMS printhead including: a plurality of nozzle chambers arranged in a plurality of nozzle rows, each nozzle chamber having: a nozzle opening for ejection of ink, an inlet channel extending parallel with a direction of droplet ejection and an outlet channel extending perpendicular to the inlet channel; an ink delivery channel extending parallel with the nozzle rows, the ink delivery channel supplying ink to a plurality of inlet channels; a plurality of ink collection channels extending across the nozzle rows, each ink collection channel collecting ink from a set of outlet channels; and an ink receiving channel extending parallel with the nozzle rows, the ink receiving channel receiving ink from the ink collection channels.

IPC Classes  ?

78.

PROCESS FOR HANDLING MEMS WAFERS

      
Application Number EP2020063071
Publication Number 2020/244890
Status In Force
Filing Date 2020-05-11
Publication Date 2020-12-10
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Arnal, Nicolas
  • Quimpo, Troy, Pasiola
  • North, Angus

Abstract

A process for handling MEMS wafers includes the steps of: (i) attaching a first carrier substrate to a first side of a MEMS wafer, the first carrier substrate being attached via a first wafer bonding tape and a silicone-free peel tape, the peel tape contacting the first side of the MEMS wafer; (ii) performing wafer processing steps on an opposite second side of the MEMS wafer; (iii) releasing the first carrier substrate from the first side of the MEMS wafer via exposure to an energy source, the energy source selectively releasing the wafer bonding tape from the first side of the MEMS wafer; and (iv) peeling the peel tape away from the first side of the MEMS wafer.

IPC Classes  ?

79.

METHOD OF GENERATING ALIGNMENT DATA FOR PRINTHEADS

      
Application Number EP2019085207
Publication Number 2020/143999
Status In Force
Filing Date 2019-12-13
Publication Date 2020-07-16
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Hoschke, Nigel
  • Hardy, Rodney
  • Parker, Steven

Abstract

A method of generating alignment data for a printhead. The method includes the steps of: printing a calibration pattern using the printhead, the calibration pattern including rows of spaced apart fiducials, each fiducial having a plurality of concentric shapes representing a code sequence; imaging the fiducials at a first resolution to generate imaged fiducials; cross-correlating a template fiducial with the imaged fiducials at a plurality of different displacement s relative to each imaged fiducial, the template fiducial having a configuration matching the imaged fiducials; determining a two-dimensional set of cross-correlation values for each imaged fiducial, each set of cross-correlation values indicating a center of a respective fiducial; and generating alignment data for the printhead using the sets of cross-correlation values.

IPC Classes  ?

  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 29/393 - Devices for controlling or analysing the entire machine

80.

Process for forming inkjet nozzle devices

      
Application Number 16790531
Grant Number 10822228
Status In Force
Filing Date 2020-02-13
First Publication Date 2020-06-11
Grant Date 2020-11-03
Owner Memjet Technology Limited (Ireland)
Inventor
  • North, Angus
  • O'Reilly, Ronan
  • Mcavoy, Gregory

Abstract

A process for forming inkjet nozzle devices on a frontside surface of a wafer substrate. The process includes the steps of: (i) providing the wafer substrate having a plurality of etched holes defined in the frontside surface, each etched hole being filled with first and second polymers such that the second polymer is coplanar with the frontside surface; (ii) forming the inkjet nozzle devices on the frontside surface using MEMS fabrication steps; and (iii) removing the first and second polymers via oxidative ashing, wherein first and second polymers are different.

IPC Classes  ?

  • B81C 1/00 - Manufacture or treatment of devices or systems in or on a substrate
  • B41J 2/16 - Production of nozzles

81.

PRINT MODULE HAVING PIVOTABLE PRINTHEAD CARRIER

      
Application Number EP2019074749
Publication Number 2020/069843
Status In Force
Filing Date 2019-09-16
Publication Date 2020-04-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Burke, David
  • Berry, Norman
  • Selvan S/o Anothonysamy, Harrick
  • Pacinio Anciano, Reynovel
  • Keat Fah, Soon
  • Lai Say, Poh

Abstract

A print module includes: a cradle defining a longitudinal cavity and an access opening at a first end of the longitudinal cavity; an elongate printhead carrier positioned in the longitudinal cavity, the printhead carrier being pivotable about a pivot axis at a second end of the cradle opposite the first end; and an elongate printhead longitudinally slidably engaged with the printhead carrier. The printhead is removable from the cradle via pivoting of the printhead carrier and longitudinally sliding the printhead relative to the printhead carrier through the access opening.

IPC Classes  ?

82.

PRINT MODULE WITH TWO-STAGE PCB ENGAGEMENT

      
Application Number EP2019074751
Publication Number 2020/069845
Status In Force
Filing Date 2019-09-16
Publication Date 2020-04-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Burke, David
  • Berry, Norman
  • Selvan S/o Anothonysamy, Harrick
  • Pacinio Anciano, Reynoval
  • Keat Fah, Soon
  • Lai Say, Poh

Abstract

A print module includes: a cradle defining a longitudinal cavity; an elongate printhead received in the longitudinal cavity, the printhead having a row of printhead contacts; a PCB slidably movable relative to the cradle along a first axis perpendicular to a longitudinal axis of the printhead; and an actuator handle. The actuator handle is configured for reciprocally lowering and raising the PCB and urging the PCB contacts into engagement with the printhead contacts, thereby forming electrical connections between the PCB and the printhead. The PCB electrical contacts are urged along a second axis perpendicular to the first axis and the longitudinal axis of the printhead.

IPC Classes  ?

83.

INTEGRATED INKJET MODULE FOR SCALABLE PRINTER

      
Application Number EP2019074752
Publication Number 2020/069846
Status In Force
Filing Date 2019-09-16
Publication Date 2020-04-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Profaca, Mark

Abstract

An integrated inkjet module includes: a support chassis configured for fixedly mounting on a media feed chassis; a maintenance chassis slidably mounted on the support chassis; and a print bar chassis liftably mounted on the maintenance chassis, the print bar chassis having one or more inkjet printheads mounted thereon.

IPC Classes  ?

  • B41J 29/02 - Framework
  • B41J 29/06 - Special supports, platforms, or trolleys for supporting machines on tables
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form

84.

Print module containing printhead tilting mechanism

      
Application Number 16591529
Grant Number 10870298
Status In Force
Filing Date 2019-10-02
First Publication Date 2020-04-09
Grant Date 2020-12-22
Owner Memjet Technology Limited (Ireland)
Inventor
  • Burke, David
  • Berry, Norman
  • Anothonysamy, Harrick Selvan
  • Anciano, Reynovel Pacinio
  • Fah, Soon Keat
  • Say, Poh Lai

Abstract

A print module including: a cradle having a longitudinal cavity; an elongate printhead carrier positioned in the longitudinal cavity, the printhead carrier having a first end and a second end, the printhead carrier being pivotable relative to the cradle about a pivot axis the second end; a supply assembly slidably movable relative to the cradle along an axis perpendicular to a longitudinal axis of the printhead carrier, the supply assembly having ink couplings for fluidic connection to a printhead received in the printhead carrier; and a mechanical linkage interconnecting the first end of the printhead carrier and the supply assembly. Reciprocal movement of the supply assembly moves the printhead carrier between a tilted position and a non-tilted position.

IPC Classes  ?

  • B41J 25/34 - Bodily-changeable print heads or carriages
  • B41J 2/175 - Ink supply systems
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 29/54 - Locking devices applied to printing mechanisms
  • B41J 29/02 - Framework

85.

PRINTHEAD CRADLE WITH LONGITUDINAL RAIL ENGAGING PRINTHEAD OVERHEAD HANGER

      
Application Number EP2019074750
Publication Number 2020/069844
Status In Force
Filing Date 2019-09-16
Publication Date 2020-04-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Burke, David
  • Berry, Norman
  • Selvan S/o Anothonysamy, Harrick
  • Pacinio Anciano, Reynoval
  • Keat Fah, Soon
  • Lai Say, Poh

Abstract

A print module includes: a cradle defining a longitudinal cavity and an access opening at a first end of the longitudinal cavity; a printhead carrier positioned in the longitudinal cavity, the printhead carrier having a longitudinal rail; and an elongate printhead having a longitudinal overhead hanger for complementary longitudinal sliding engagement with the rail. The printhead is removable from the cradle via longitudinal sliding movement of the printhead relative to the printhead carrier through the access opening.

IPC Classes  ?

86.

PIGMENT-BASED INK FORMULATIONS HAVING IMPROVED PRINTHEAD LIFETIME

      
Application Number EP2019071275
Publication Number 2020/038725
Status In Force
Filing Date 2019-08-08
Publication Date 2020-02-27
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Fielder, Simon
  • Chong, Alison
  • Tyvoll, David
  • Hudson, Tim
  • Davey, Roger
  • Munton, Ellaine

Abstract

An aqueous-based inkjet ink for a thermal inkjet printhead includes: a pigment; 2 to 90 ppm ammonium ions; and an ink vehicle. The ink has a pH in the range of 8 to 9.5 and exhibits improved lifetime in thermal inkjet printheads with minimal loss of print quality.

IPC Classes  ?

  • C09D 11/322 - Pigment inks
  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
  • C09D 11/40 - Ink-sets specially adapted for multi-colour inkjet printing

87.

INK ADDITIVES FOR IMPROVING DRY TIME AND PRINTHEAD DEHYDRATION PERFORMANCE

      
Application Number EP2019071276
Publication Number 2020/038726
Status In Force
Filing Date 2019-08-08
Publication Date 2020-02-27
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Prashar, Jognandan

Abstract

An inkjet ink includes: an ink vehicle; a colorant; a diethylene glycol C3-8 alkyl ether; a first surfactant of formula (I); and a second surfactant different than the first surfactant, the first surfactant being present in a greater amount than the second surfactant.

IPC Classes  ?

  • C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

88.

INKJET PRINTHEAD WITH ENCAPSULANT-RETAINING FEATURES

      
Application Number EP2019059174
Publication Number 2019/211070
Status In Force
Filing Date 2019-04-11
Publication Date 2019-11-07
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Perez, Elmer Dimaculangan
  • North, Angus
  • Lowe, Graeme
  • Tan, See-Huat
  • Barton, Christopher

Abstract

A MEMS chip assembly including: a support structure having a chip mounting surface; a MEMS chip mounted on the chip mounting surface, each MEMS chip having an active surface including one or more MEMS devices and a plurality of bond pads disposed alongside a connection edge of the MEMS chip; electrical connectors connected to the bond pads; and an encapsulant material covering the electrical connectors. The MEMS chip has encapsulant-retaining trenches defined in the active surface extending alongside the connection edge, each encapsulant-retaining trench being disposed between the bond pads and the MEMS devices.

IPC Classes  ?

89.

Printing system having multiple printheads and bypass lines

      
Application Number 16460891
Grant Number 10737512
Status In Force
Filing Date 2019-07-02
First Publication Date 2019-10-24
Grant Date 2020-08-11
Owner Memjet Technology Limited (Ireland)
Inventor
  • Rosati, Robert
  • Petch, David
  • Burney, David
  • Sykora, Jim
  • Regas, Kenneth A.
  • Bound, Andy
  • Doherty, Neil
  • Dennis, Scott
  • Jones, Ben
  • Buyda, Oksana
  • Tonthat, Locson
  • Buyda, Andrew
  • Kirk, Patrick
  • Hunt, Loren
  • Dewey, Jason
  • Trinchera, Jim
  • Cressman, Bill
  • Zech, Ron

Abstract

A printing system includes: an ink supply; a feed line coupled to the ink supply; a return line coupled to the ink supply; and a plurality of printhead modules each having an inlet port fluidically coupled to the feed line and an outlet port fluidically coupled to the return line. Each print module has a bypass line fluidically coupling the feed line to the return line. The bypass line is open for both priming and printing operations.

IPC Classes  ?

  • B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
  • B41J 2/175 - Ink supply systems
  • B41J 29/02 - Framework
  • B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 2/18 - Ink recirculation systems
  • B41J 15/04 - Supporting, feeding, or guiding devices; Mountings for web rolls or spindles

90.

Method of manufacturing inkjet printhead

      
Application Number 16446535
Grant Number 10525701
Status In Force
Filing Date 2019-06-19
First Publication Date 2019-10-10
Grant Date 2020-01-07
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David
  • Thomas, Andrew
  • Fielder, Simon
  • Gimona, Michele
  • Woffenden, Albert

Abstract

A method of forming an inkjet printhead. The method includes the steps of: providing a metal alloy shim having a plurality of shim apertures; nitriding a surface of the shim; bonding the shim to a rigid elongate manifold having ink supply channels, such that each shim aperture is in fluid communication with a respective ink supply channel; and bonding printhead chips to the shim, thereby forming the inkjet printhead.

IPC Classes  ?

  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 29/02 - Framework
  • B41J 29/13 - Cases or covers
  • B41J 2/16 - Production of nozzles
  • B41J 2/175 - Ink supply systems
  • B41J 2/14 - Structure thereof
  • B41J 25/34 - Bodily-changeable print heads or carriages

91.

Inkjet printhead having flared outlets

      
Application Number 16435389
Grant Number 10589537
Status In Force
Filing Date 2019-06-07
First Publication Date 2019-09-26
Grant Date 2020-03-17
Owner Memjet Technology Limited (Ireland)
Inventor
  • Jackson, Garry
  • Berry, Norman
  • Hudson, Michael
  • Brown, Brian
  • Mallinson, Samuel
  • Mcbain, Geordie

Abstract

An inkjet printhead including: an elongate fluid manifold having a base defining a plurality of fluid outlets; and printhead chips attached to the base, each printhead chip receiving printing fluid from a plurality of the fluid outlets. All fluid outlets are laterally flared towards a side of a respective printhead chip.

IPC Classes  ?

  • B41J 2/14 - Structure thereof
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/515 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements line printer type
  • B41J 2/175 - Ink supply systems
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers

92.

Process for filling etched holes using first and second polymers

      
Application Number 16409687
Grant Number 10597290
Status In Force
Filing Date 2019-05-10
First Publication Date 2019-08-29
Grant Date 2020-03-24
Owner Memjet Technology Limited (Ireland)
Inventor
  • North, Angus
  • O'Reilly, Ronan
  • Mcavoy, Gregory

Abstract

A process for filling one or more etched holes defined in a frontside surface of a wafer substrate. The process includes the steps of: depositing a layer of a thermoplastic first polymer onto the frontside surface and into each hole until the holes are overfilled with the first polymer; depositing a layer of a photoimageable second polymer different than the first polymer; selectively removing the second polymer from regions outside a periphery of the holes; exposing the wafer substrate to a controlled oxidative plasma so as to reveal the frontside surface of the wafer substrate; and planarizing the frontside surface to provide holes filled with a plug of the first polymer only, each plug having a respective upper surface coplanar with the frontside surface.

IPC Classes  ?

  • B81C 1/00 - Manufacture or treatment of devices or systems in or on a substrate
  • B41J 2/16 - Production of nozzles

93.

Inkjet printhead having two rows of two-color print chips

      
Application Number 16377069
Grant Number 10717282
Status In Force
Filing Date 2019-04-05
First Publication Date 2019-08-01
Grant Date 2020-07-21
Owner Memjet Technology Limited (Ireland)
Inventor
  • Thelander, Jason
  • Burke, David
  • Thomas, Andrew

Abstract

An inkjet printhead includes: a manifold having first, second, third and fourth ink supply channels extending along the manifold and corresponding first, second, third and fourth rows of outlets defined in the manifold, wherein a first ink delivery group contains the first and second rows of outlets and a second ink delivery group contains the third and fourth rows of outlets. A first row of printhead chips is mounted to a lower surface of the manifold and a second row of printhead chips is mounted to the lower surface of the manifold. Each row of printhead chips prints two ink colors to provide a four-color printhead.

IPC Classes  ?

  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/14 - Structure thereof
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 2/175 - Ink supply systems
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 25/34 - Bodily-changeable print heads or carriages

94.

Method of stitching overlapping printhead segments

      
Application Number 16374676
Grant Number 10625518
Status In Force
Filing Date 2019-04-03
First Publication Date 2019-07-25
Grant Date 2020-04-21
Owner Memjet Technology Limited (Ireland)
Inventor Lau, Daniel

Abstract

A method of printing an image using a printing system having first and second overlapping printhead segments. The method includes the steps of: (i) identifying a strip of the image to be printed in an overlap region of the first and second printhead segments; (ii) determining a stitching technique for the first and second printhead segments; and (iii) printing the image using the first and second printhead segments, the printing including stitching the first and second printhead segments in the overlap region using the determined stitching technique. The stitching technique may be a butt stitch or a feathered stitch, dependent on image content in the strip.

IPC Classes  ?

  • B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 19/14 - Character- or line-spacing mechanisms with means for effecting line or character spacing in either direction
  • G06K 15/10 - Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers
  • H04N 1/407 - Control or modification of tonal gradation or of extreme levels, e.g. background level
  • H04N 1/56 - Processing of colour picture signals
  • H04N 1/58 - Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
  • G06T 3/00 - Geometric image transformation in the plane of the image
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/07 - Ink jet characterised by jet control
  • G06K 15/12 - Arrangements for producing a permanent visual presentation of the output data using printers by photographic printing

95.

DURAFLEX

      
Serial Number 88473986
Status Registered
Filing Date 2019-06-14
Registration Date 2020-08-04
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
NICE Classes  ? 02 - Paints, varnishes, lacquers

Goods & Services

Ink cartridges, filled, for printers; Ink cartridges, filled, for printers and photocopiers; Ink for printers

96.

Media transport mechanism for printer having multiple printheads

      
Application Number 16267259
Grant Number 10688814
Status In Force
Filing Date 2019-02-04
First Publication Date 2019-06-06
Grant Date 2020-06-23
Owner Memjet Technology Limited (Ireland)
Inventor
  • Balala, Rommel
  • Baterna, Dan
  • Sy, Billy
  • Hibbard, Christopher

Abstract

3 for optimal printing results.

IPC Classes  ?

  • B41J 13/00 - Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets
  • B41J 3/54 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
  • B65H 5/06 - Feeding articles separated from piles; Feeding articles to machines by rollers
  • B65H 29/12 - Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands
  • B41J 11/20 - Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment
  • B65H 11/00 - Feed tables
  • B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 11/02 - Platens
  • B41J 2/21 - Ink jet for multi-colour printing
  • B41J 13/03 - Rollers driven, e.g. feed rollers separate from platen
  • B41J 2/01 - Ink jet

97.

PROCESS FOR FORMING INKJET NOZZLE CHAMBERS

      
Application Number EP2018081277
Publication Number 2019/101605
Status In Force
Filing Date 2018-11-14
Publication Date 2019-05-31
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • North, Angus
  • Walker, Matthew

Abstract

A process for forming an inkjet chamber over a hole defined in a frontside surface of a wafer substrate. The process includes the steps of: (i) laminating a layer of dry film photoresist onto the frontside surface; (ii) defining wall openings corresponding to chamber walls in the dry film photoresist; (iii) depositing chamber material into the wall openings and over the dry film photoresist so as to form chamber walls and a chamber roof; (iv) defining a nozzle opening in the chamber roof; and (v) removing the dry film photoresist to form the inkjet chamber over the hole.

IPC Classes  ?

98.

Robust compliance for use in inkjet printer

      
Application Number 16250932
Grant Number 10730311
Status In Force
Filing Date 2019-01-17
First Publication Date 2019-05-23
Grant Date 2020-08-04
Owner Memjet Technology Limited (Ireland)
Inventor
  • Profaca, Mark
  • Alemana, Gilbert
  • Dimagiba, Richard
  • Shields, Brendan
  • Balala, Rommel

Abstract

A compliance for use in an inkjet printer. The compliance includes flexible bellows configured for dampening pressure fluctuations in a fluid, wherein the bellows comprise a plurality of concentric portions joined via concertinaed sidewalls.

IPC Classes  ?

99.

Inkjet printhead having braced longitudinal channel

      
Application Number 16005527
Grant Number 10384461
Status In Force
Filing Date 2018-06-11
First Publication Date 2019-05-23
Grant Date 2019-08-20
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor
  • Jackson, Garry
  • Berry, Norman
  • Hudson, Michael
  • Brown, Brian
  • Mallinson, Samuel
  • Mcbain, Geordie

Abstract

An inkjet printhead includes: an elongate fluid manifold including a longitudinally extending channel having a pair of opposite longitudinal sidewalls and a base defining a floor of the channel; a plurality of printhead chips bonded to the base of the fluid manifold, each printhead chip receiving ink from fluid outlets defined in the floor of the channel; and a plurality of transverse ribs extending across the channel between the sidewalls, each transverse rib extending upwardly from the floor of the channel.

IPC Classes  ?

  • B41J 2/14 - Structure thereof
  • B41J 2/19 - Ink jet characterised by ink handling for removing air bubbles
  • B41J 2/155 - Arrangement thereof for line printing
  • B41J 2/175 - Ink supply systems
  • B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
  • B41J 2/515 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements line printer type

100.

MAINTENANCE MODULE ARRANGEMENT FOR MODULAR PRINTER HAVING CURVED MEDIA PATH

      
Application Number EP2018075108
Publication Number 2019/086163
Status In Force
Filing Date 2018-09-17
Publication Date 2019-05-09
Owner MEMJET TECHNOLOGY LIMITED (Ireland)
Inventor Profaca, Mark

Abstract

A printer includes: a convexly curved media path for feeding print media along a media feed direction, the curved media path having an apex, a first section upstream of the apex and a second section downstream of the apex; a plurality of printheads radially arranged around the curved media path, the plurality of printheads including a first printhead positioned for printing onto the first section and a second printhead positioned for printing onto the second section; a plurality of cappers for capping the plurality of printheads, each capper being positioned at one longitudinal side of a respective printhead and each capper being laterally moveable between capped and uncapped positions; and a lift mechanism for lifting and lowering the printheads. A first capper is positioned downstream of the first printhead and a second capper is positioned upstream of the second printhead in respective uncapped positions.

IPC Classes  ?

  • B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
  • B41J 25/304 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
  • B41J 25/34 - Bodily-changeable print heads or carriages
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