ClassID:

57296

B41J2/14032 - CPC Classification

Classification description:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material; Ink jet; Nozzles; Structure thereof only for on-demand ink jet heads; Structure of bubble jet print heads Structure of the pressure chamber

Recent Application in this class:
#1
20260070344
2026-03-12

LIQUID EJECTION HEAD, LIQUID EJECTION APPARATUS, AND DRIVING METHOD FOR LIQUID EJECTION HEAD

#2
20250303711
2025-10-02

LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS

#3
20250262868
2025-08-21

SYSTEM AND METHOD FOR APPLYING PRIMER TO MEDIA IN INKJET PRINTERS

#4
20250115055
2025-04-10

INK JET RECORDING METHOD

#5
20240408889
2024-12-12

INK-JET RECORDING METHOD AND INK FOR USE IN INK-JET RECORDING

#6
20240408863
2024-12-12

INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS

#7
20240375405
2024-11-14

LIQUID EJECTION APPARATUS AND LIQUID EJECTION HEAD

#8
20240217233
2024-07-04

LIQUID EJECTION HEAD

#9
20240198669
2024-06-20

HEAD CHIP, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE

#10
20240190129
2024-06-13

LIQUID EJECTION APPARATUS AND LIQUID EJECTION CONTROL METHOD

#11
20240165963
2024-05-23

Liquid Ejecting Head And Liquid Ejecting Apparatus

#12
20240066870
2024-02-29

LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME

#13
20230415480
2023-12-28

Ejection head priming mechanism

#14
20230405990
2023-12-21

INK JET RECORDING METHOD AND INK JET RECORDING APPARATUS

#15
20230364919
2023-11-16

LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS

#16
20230302817
2023-09-28

Droplet discharge head and droplet discharge apparatus

#17
20230191781
2023-06-22

Head chip, liquid jet head, and liquid jet recording device

#18
20230173820
2023-06-08

Liquid ejection apparatus and liquid ejection head

#19
20230063950
2023-03-02

Liquid ejecting head and method of manufacturing liquid ejecting head

#20
20230061768
2023-03-02

THERMAL INKJET NOZZLE DEVICE

#21
20230054818
2023-02-23

Continuous fluid recirculation and recirculation on-demand prior to firing for thermal ejection of fluid having concentration of solids

#22
20230050914
2023-02-16

Actuators for fluid delivery systems

#23
20230001692
2023-01-05

DROPLET DELIVERY

#24
20220314620
2022-10-06

Liquid ejection head and manufacturing method thereof

#25
20220314613
2022-10-06

Liquid discharging apparatus

#26
20220288934
2022-09-15

Liquid ejecting head and liquid ejecting apparatus

#27
20220153027
2022-05-19

Liquid ejection head circuit board and liquid ejection head

#28
20220153026
2022-05-19

Liquid ejection head substrate and liquid ejection head

#29
20220153023
2022-05-19

Substrate for liquid ejection head and liquid ejection head

#30
20220134745
2022-05-05

Cavitation plate to protect a heating component and detect a condition

#31
20210394525
2021-12-23

Liquid ejection apparatus and liquid ejection head

#32
20210394514
2021-12-23

Liquid ejection head

#33
20210370669
2021-12-02

Liquid discharge head and liquid discharge device

#34
20210331467
2021-10-28

Liquid ejection head unit, liquid ejection apparatus, and liquid ejection state determination method of liquid ejection apparatus

#35
20210323307
2021-10-21

Head module

#36
20210291547
2021-09-23

Fluidic ejection dies with enclosed cross-channels

#37
20210283911
2021-09-16

FLUID EJECTION DEVICE WITH MULTI-CHAMBER NOZZLE

#38
20210245504
2021-08-12

Liquid ejecting head and liquid ejecting apparatus

#39
20210237439
2021-08-05

Liquid ejecting head and liquid ejecting apparatus

#40
20210229442
2021-07-29

Liquid discharge head and liquid discharge module

#41
20210229441
2021-07-29

Liquid discharge head and liquid discharge module

#42
20210197563
2021-07-01

Liquid discharge head, liquid discharge device, and liquid discharge apparatus

#43
20210187949
2021-06-24

Actuators for fluid delivery systems

#44
20210162753
2021-06-03

Liquid ejecting head and liquid ejecting system

#45
20210162752
2021-06-03

Liquid ejecting head and liquid ejecting system

#46
20210129534
2021-05-06

Fluidic ejection dies with enclosed cross-channels

#47
20210046757
2021-02-18

PRINTHEAD WITH PRINTER FLUID CHECK VALVE

#48
20200341369
2020-10-29

Ejection-material ejection device, information processing apparatus, and control method of ejection-material ejection device

#49
20200338896
2020-10-29

Liquid ejecting head and liquid ejecting apparatus

#50
20200331264
2020-10-22

Fluid ejection device including fluid output channel

#51
20200316942
2020-10-08

Liquid ejection head

#52
20200316939
2020-10-08

Liquid ejection head

#53
20200307215
2020-10-01

Liquid ejection head

#54
20200307202
2020-10-01

Head module

#55
20200307198
2020-10-01

Liquid discharging head and liquid discharging apparatus

#56
20200238696
2020-07-30

Liquid discharge head, liquid discharge device, and liquid discharge apparatus

#57
20200230956
2020-07-23

Liquid discharge head

#58
20200207083
2020-07-02

Liquid droplet ejecting apparatus and liquid droplet ejecting head

#59
20200189278
2020-06-18

Liquid jetting apparatus and method of producing liquid jetting apparatus

#60
20200180310
2020-06-11

Selectively firing a fluid circulation element

#61
20200139708
2020-05-07

Liquid ejecting head and liquid ejecting apparatus

#62
20200122474
2020-04-23

Liquid ejecting apparatus and maintenance method thereof

#63
20200122464
2020-04-23

Liquid ejection head

#64
20200079081
2020-03-12

Liquid ejection head having plurality of sets of rows of pressure chambers, and capable of avoiding mixture of different kinds of liquid

#65
20200031124
2020-01-30

Liquid discharge head, recording apparatus using the same, and recording method

#66
20200001607
2020-01-02

Actuators for fluid delivery systems

#67
20190315125
2019-10-17

Fluid ejection device including fluid output channel

#68
20190315122
2019-10-17

DROPLET DISPENSING APPARATUS

#69
20190299619
2019-10-03

Liquid ejection apparatus

#70
20190255846
2019-08-22

Liquid droplet ejection head and liquid droplet ejection apparatus

#71
20190232675
2019-08-01

Liquid ejecting module

#72
20190152223
2019-05-23

Liquid ejection apparatus

#73
20190134987
2019-05-09

Fluid ejection device

#74
20190111678
2019-04-18

Liquid discharge head and liquid discharge method

#75
20190100004
2019-04-04

Print element substrate and liquid ejection head

#76
20190092011
2019-03-28

Liquid ejecting head and liquid ejecting apparatus

#77
20190023008
2019-01-24

Selectively firing a fluid circulation element

#78
20190023007
2019-01-24

Recording element substrate, liquid ejection head, and liquid ejection apparatus

#79
20190009535
2019-01-10

Liquid ejection head

#80
20190001672
2019-01-03

Liquid ejection head and liquid ejection apparatus

#81
20180304629
2018-10-25

Liquid discharging apparatus and ink-jet printer

#82
20180244047
2018-08-30

Liquid ejecting apparatus and cleaning method

#83
20180215168
2018-08-02

Liquid discharge apparatus and liquid discharge head

#84
20180201019
2018-07-19

Liquid droplet ejection head and liquid droplet ejection apparatus

#85
20180178506
2018-06-28

Droplet ejecting device

#86
20180170052
2018-06-21

Actuators for fluid delivery systems

#87
20180162129
2018-06-14

Fluidic dispensing device

#88
20180117913
2018-05-03

Liquid discharge method and liquid discharge apparatus for heating a liquid through a surface to generate a bubble

#89
20180104952
2018-04-19

Liquid jetting apparatus and method for manufacturing liquid jetting apparatus

#90
20180086072
2018-03-29

Inkjet head and method for manufacturing inkjet head

#91
20180085777
2018-03-29

FLUID DISCHARGE APPARATUS AND FLUID DISCHARGE METHOD

#92
20180065361
2018-03-08

Liquid-tolerant liquid droplet ejecting apparatus

#93
20180022092
2018-01-25

Head module, liquid jetting apparatus including the same, and case

#94
20180022020
2018-01-25

Liquid supply apparatus, liquid discharge apparatus, and three-dimensional fabricating apparatus

#95
20180015723
2018-01-18

Liquid discharge head and liquid discharge apparatus

#96
20180009222
2018-01-11

Printhead with printer fluid check valve

#97
20180001642
2018-01-04

Printhead cartridge molded with nozzle health sensor

#98
20170361611
2017-12-21

Ink jet recording method, recording head, and ink jet recording apparatus

#99
20170341377
2017-11-30

Recording element substrate, liquid ejection head, and liquid ejection apparatus

#100
20170274658
2017-09-28

Method for processing silicon substrate and method for manufacturing liquid ejection head

#101
20170274647
2017-09-28

Liquid ejection head, liquid ejection apparatus, and temperature control method for liquid ejection head

#102
20170253034
2017-09-07

Liquid discharge head, liquid discharge device, and liquid discharge apparatus

#103
20170246866
2017-08-31

Fluid ejection device

#104
20170239946
2017-08-24

Print element substrate and liquid ejection head

#105
20170218492
2017-08-03

Wear resistant coating

#106
20170217173
2017-08-03

Liquid ejecting head and liquid ejecting apparatus

#107
20170217172
2017-08-03

Liquid ejecting head and liquid ejecting apparatus

#108
20170197422
2017-07-13

Liquid discharge head and liquid discharge apparatus

#109
20170197413
2017-07-13

Liquid discharge head and liquid discharge method

#110
20170197411
2017-07-13

Recording element board and liquid discharge head

#111
20170197410
2017-07-13

Liquid discharge head and liquid discharge method

#112
20170165969
2017-06-15

Liquid-tolerant liquid droplet ejecting apparatus

#113
20170096016
2017-04-06

Systems and methods for degassing fluid

#114
20170021627
2017-01-26

Liquid discharging head, liquid discharging apparatus, and liquid suction method

#115
20170008287
2017-01-12

Inkjet head

#116
20160346968
2016-12-01

Method for manufacturing liquid-ejecting head

#117
20160339695
2016-11-24

Printhead dies molded with nozzle health sensor

#118
20160297193
2016-10-13

Liquid discharge head, liquid discharge device, liquid discharge apparatus, and image forming apparatus

#119
20160263889
2016-09-15

Head and liquid ejecting apparatus

#120
20160207309
2016-07-21

Liquid ejecting head

#121
20160200104
2016-07-14

Liquid ejection head

#122
20160152027
2016-06-02

Liquid discharge head and method for manufacturing the same

#123
20160121612
2016-05-05

Method for manufacturing microfluid delivery device

#124
20160001560
2016-01-07

Method of cleaning liquid discharge head

#125
20150197091
2015-07-16

Inkjet nozzle device having chamber geometry configured for constrained symmetric bubble expansion

#126
20150165768
2015-06-18

Inkjet nozzle device configured for venting gas bubbles

#127
20150070442
2015-03-12

Inkjet nozzle device configured for venting gas bubbles

#128
20150035907
2015-02-05

Inkjet nozzle device with symmetrically constrained bubble formation

#129
20150035904
2015-02-05

Inkjet nozzle device having high degree of symmetry

#130
20140318396
2014-10-30

Printing layers of ceramic ink in substantially exact registration by differential ink medium thermal expulsion

#131
20140184701
2014-07-03

Liquid discharging head

#132
20140168329
2014-06-19

Systems and methods for ink-based digital printing

#133
20140029229
2014-01-30

Liquid ejection head and method of manufacturing the same

#134
20140022312
2014-01-23

Inkjet nozzle assembly with elliptical nozzle aperture and offset beam heater element

#135
20130342607
2013-12-26

Inkjet print head and method for manufacturing the same

#136
20130327852
2013-12-12

Flow channel member, liquid ejecting head, and liquid ejecting apparatus

#137
20130286102
2013-10-31

Fluid ejection device having firing chamber with contoured floor

#138
20130284694
2013-10-31

Ejection devices for inkjet printers and method for fabricating ejection devices

#139
20130201257
2013-08-08

Nozzle assembly with elliptical nozzle opening and pressure-diffusing structure

#140
20130097861
2013-04-25

Method for manufacturing inkjet recording head

#141
20130082117
2013-04-04

Liquid droplet jetting apparatus

#142
20120274707
2012-11-01

EJECTION DEVICES FOR INKJET PRINTERS AND METHOD FOR FABRICATING EJECTION DEVICES

#143
20120206539
2012-08-16

Inkjet printing head manufacture method, printing element substrate, and inkjet printing head

#144
20120145017
2012-06-14

Printing layers of ceramic ink in substantially exact registration differential ink medium thermal expulsion

#145
20120062071
2012-03-15

Piezoelectric/electrostrictive actuator

#146
20120038715
2012-02-16

Piezoelectric film, ink jet head, method of forming image by the ink jet head, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method of generating electric power using the piezoelectric generating element

#147
20120038714
2012-02-16

Piezoelectric thin film, ink jet head, method of forming image by the ink jet head, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method of generating electric power using the piezoelectric generating element

#148
20110304679
2011-12-15

INKJET PRINTHEAD HAVING MULTIPLE PRESSURE-DAMPENING STRUCTURES DEFINED IN NOZZLE PLATE

#149
20110292130
2011-12-01

Liquid ejecting head

#150
20110254899
2011-10-20

Piezoelectric device liquid ejecting head, liquid ejecting apparatus, ultrasonic device sensor, and timing device

#151
20110239462
2011-10-06

Method of manufacturing liquid discharging head

#152
20110221826
2011-09-15

Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element

#153
20110199438
2011-08-18

LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS

#154
20110018934
2011-01-27

Recording element substrate, and inkjet head and its production method

#155
20100302314
2010-12-02

Inkjet nozzle assembly having suspended beam heater element offset from nozzle aperture

#156
20100277558
2010-11-04

Inkjet printhead with bubble trap and air vents

#157
20100128091
2010-05-27

Inkjet printhead and method of manufacturing the same

#158
20100079551
2010-04-01

SUBSTRATE FOR LIQUID DISCHARGE HEAD, METHOD OF MANUFACTURING THE SAME, AND LIQUID DISCHARGE HEAD USING SUCH SUBSTRATE

#159
20090258236
2009-10-15

Thermal inkjet printhead on a metallic substrate

#160
20090179939
2009-07-16

Ink jet print head and ink jet printing apparatus

#161
20090141108
2009-06-04

Printer with minimal distance between pressure-dampening structures and nozzles

#162
20090040276
2009-02-12

Printhead with heaters offset from nozzles

#163
20080088673
2008-04-17

METHOD OF PRODUCING INKJET CHANNELS USING PHOTOIMAGEABLE MATERIALS AND INKJET PRINTHEAD PRODUCED THEREBY

#164
20080024560
2008-01-31

Liquid discharge head and method for manufacturing liquid discharge head

#165
20070188564
2007-08-16

Droplet deposition apparatus

#166
20070081036
2007-04-12

Inkjet printhead with multiple chambers and multiple nozzles for each drive circuit

#167
20060256162
2006-11-16

Liquid jet head and method for producing the same

#168
20060152554
2006-07-13

Ink jet printing module

#169
20060071976
2006-04-06

Ink-jet printhead and method for manufacturing the same

#170
20050174391
2005-08-11

Methods for manufacturing monolithic ink-jet printheads