ClassID:

178349

G03G2215/083 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Details of powder developing device not concerning the development directly; Arrangements for agitating or circulating developer material; Agitator type; Augers with two opposed pitches on one shaft

Recent Application in this class:
#1
20260104658
2026-04-16

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

#2
20260093194
2026-04-02

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#3
20250370377
2025-12-04

IMAGE FORMING APPARATUS

#4
20250231507
2025-07-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#5
20250138450
2025-05-01

DEVELOPING DEVICE

#6
20250130526
2025-04-24

PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND TONER STORAGE UNIT

#7
20250102956
2025-03-27

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

#8
20240361721
2024-10-31

DEVELOPING DEVICE WITH STRUCTURE TO REGULATE DISCHARGING AMOUNT OF DEVELOPER

#9
20230132911
2023-05-04

Process cartridge, image forming apparatus and toner storage unit

#10
20230024111
2023-01-26

Image forming apparatus including developer conveying member and toner concentration sensor

#11
20230022432
2023-01-26

Developing device and image forming apparatus including developer conveying member and toner concentration sensor

#12
20220397841
2022-12-15

Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus

#13
20220373933
2022-11-24

Developing device and image forming apparatus having a reverse helical blade on a downstream end of a developer transport path

#14
20220373931
2022-11-24

Developing device and image forming apparatus with a developer discharging structure

#15
20220373930
2022-11-24

Developing device and image forming apparatus having a reverse helical section

#16
20220308499
2022-09-29

Image forming apparatus that can decrease variations in volume and weight of developer in a development casing

#17
20220066355
2022-03-03

Conveyance unit, process cartridge, and image forming apparatus

#18
20220011693
2022-01-13

Developing device which supplies two-component developer containing toner and carrier and which discharges excessive developer and image forming apparatus therewith

#19
20210333726
2021-10-28

Developing device using spiral structures

#20
20210109459
2021-04-15

Developing device allowing selection of a stirring/conveying member to be used from a plurality of types of stirring/conveying members with rotary shafts with different shaft-diameters and image forming apparatus therewith

#21
20210096483
2021-04-01

Conveyance unit, process cartridge, and image forming apparatus

#22
20210063914
2021-03-04

Developing device

#23
20200264538
2020-08-20

Developer conveyor having three blades

#24
20190391511
2019-12-26

Feeding screw and developing device

#25
20190033751
2019-01-31

Developing appartus having a feeding member with radial projections

#26
20180335724
2018-11-22

Feeding screw and developing device

#27
20180335722
2018-11-22

Developing device having a feeding screw with multiple blade portions

#28
20180267429
2018-09-20

Developer container and image forming apparatus having transporting member with air passage portions

#29
20180253033
2018-09-06

Developing device and image forming apparatus including same

#30
20180164718
2018-06-14

Stirring conveyance member, developing device including the same, and image forming apparatus

#31
20180129149
2018-05-10

Stirring/conveying member, and developing device and image forming apparatus therewith

#32
20180039205
2018-02-08

Developing device

#33
20180011425
2018-01-11

Development device and image forming apparatus including same

#34
20170343928
2017-11-30

Developing apparatus

#35
20170343926
2017-11-30

DEVELOPING DEVICE

#36
20170277078
2017-09-28

Developing device with toner containing a toner particle and a zinc stearate particle, and process cartridge, image forming apparatus, and image forming method

#37
20170255125
2017-09-07

Image forming apparatus having removable developing units

#38
20170248868
2017-08-31

Developing apparatus

#39
20170219958
2017-08-03

Developing device replenished with new two-component developer while discharging surplus developer and image forming apparatus

#40
20170068185
2017-03-09

Developing device and image forming apparatus therewith

#41
20170060031
2017-03-02

Developing device

#42
20160209777
2016-07-21

Developing device having developer regulating rib

#43
20160154342
2016-06-02

Developing unit

#44
20150253694
2015-09-10

Developing unit

#45
20150139697
2015-05-21

Developing apparatus with discharge regulating member

#46
20140348549
2014-11-27

Developer unit for an image forming apparatus

#47
20140241759
2014-08-28

Toner case and image forming apparatus

#48
20140212179
2014-07-31

Developing device and image forming apparatus

#49
20140147175
2014-05-29

Developer storage container and image forming apparatus with same

#50
20120201573
2012-08-09

Stir-transport member, development device provided therewith, and image forming apparatus

#51
20120051794
2012-03-01

Developing device and image forming apparatus

#52
20110286769
2011-11-24

Developing device with double spiral blade and image forming apparatus

#53
20110229213
2011-09-22

TONER DISCHARGING DEVICE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS

#54
20110176836
2011-07-21

Developing device and image forming apparatus including the same

#55
20110150537
2011-06-23

Developing device and image forming apparatus provided therewith

#56
20110103844
2011-05-05

Developer unit for an image forming apparatus

#57
20110091227
2011-04-21

Waste toner container and image forming apparatus incorporating same

#58
20110069993
2011-03-24

DEVELOPING UNIT FOR ELECTROPHOTOGRAPHY SYSTEM IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHY SYSTEM IMAGE FORMING APPARATUS

#59
20110020037
2011-01-27

Developing device, image carrier unit and image forming apparatus

#60
20100226688
2010-09-09

DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#61
20100104305
2010-04-29

Image forming apparatus

#62
20100054779
2010-03-04

Developing device and image forming apparatus with soft blocking dissolving features

#63
20090317159
2009-12-24

FIXING APPARATUS FOR FORMING AN IMAGE

#64
20090169268
2009-07-02

Rotary mounting structure for toner cartridge

#65
20090169265
2009-07-02

Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw

#66
20090067888
2009-03-12

Toner container having a toner agitating function unit with a tubular member having axially spaced ring pieces and openings between the ring pieces

#67
20080260430
2008-10-23

Developing device, image carrier unit and image forming apparatus

#68
20080240791
2008-10-02

ELECTROGRAPHIC DEVELOPER MIXING APPARATUS AND PROCESS

#69
20080240775
2008-10-02

Cartridge with spiral blade and image forming apparatus

#70
20080199222
2008-08-21

Developing unit, process cartridge, and image forming device

#71
20080145109
2008-06-19

Developing apparatus

#72
20080069580
2008-03-20

Developer transferring device, developing device, process unit, and image forming apparatus

#73
20080056772
2008-03-06

Developer transport apparatus and image forming apparatus

#74
20080038021
2008-02-14

Developing unit having effective developer transportability, and process cartridge and image forming apparatus using the same

#75
20080003020
2008-01-03

Developing apparatus and developer collecting method

#76
20070258740
2007-11-08

Fixing apparatus for forming an image

#77
20070242993
2007-10-18

Toner container having screw for conveying toner and image forming apparatus having toner container

#78
20070092305
2007-04-26

Rotary mounting structure for toner cartridge

#79
20070048023
2007-03-01

Developer mixing apparatus having four ribbon blenders

#80
20070031168
2007-02-08

Developing device and image forming apparatus

#81
20060222409
2006-10-05

Developing device and image forming apparatus

#82
20060045573
2006-03-02

Developing device, process cartridge, and electrophotographic image-forming apparatus

#83
20060024090
2006-02-02

Developing device having developer supply unit and image forming apparatus

#84
14962550
2016-05-24

Developing device having developer supply port and developer discharge port, and image forming apparatus therewith