ClassID:

177687

G03G15/0858 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer; Arrangements for preparing, mixing, supplying or dispensing developer; Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability; Detection or control means for the developer level the level being measured by mechanical means

Recent Application in this class:
#1
20250377612
2025-12-11

IMAGE FORMING APPARATUS

#2
20250284222
2025-09-11

MEASURING SYSTEM FOR MEASURING THE LEVEL OF TONER IN A CARTRIDGE FOR LASER PRINTER

#3
20230384730
2023-11-30

Powder conveying device and image forming apparatus incorporating same

#4
20230305434
2023-09-28

Toner level sensing using toner container vibration

#5
20230305432
2023-09-28

Material sensing using container vibration

#6
20230061656
2023-03-02

Counting assembly and developing box having same

#7
20220113653
2022-04-14

Image forming device and controlling method

#8
20220057731
2022-02-24

Developing apparatus and image forming apparatus

#9
20210302874
2021-09-30

Image forming apparatus with a drive motor to drive a toner conveyance part and overcurrent prevention thereof

#10
20210088932
2021-03-25

Powder storage height detection device and powder replenishing device

#11
20210080861
2021-03-18

Image forming unit and image forming apparatus

#12
20200218188
2020-07-09

Image forming apparatus to which toner container is attachable

#13
20200079075
2020-03-12

Detecting arrival of ink in a liquid ink printing system

#14
20190265612
2019-08-29

Image forming apparatus having image formation interruption

#15
20190196360
2019-06-27

Powder detector, control method of same, and image forming apparatus incorporating same

#16
20190094751
2019-03-28

IMAGE FORMING APPARATUS HAVING A CONTROLLER THAT CONTROLS A FIXING CONDITION IN RESPONSE TO A SELECTED LEVEL OF CREASE OR FINISH OF AN ENVELOPE

#17
20180259878
2018-09-13

Image forming apparatus for measuring reference value of toner concentration

#18
20180031989
2018-02-01

Developer, developer storage body, developing device and image forming apparatus

#19
20180017911
2018-01-18

Image forming apparatus having a controller that controls a fixing condition in response to a selected level of crease or finish of an envelope

#20
20170168418
2017-06-15

Powder supply device and image forming apparatus incorporating same

#21
20170146945
2017-05-25

Image forming apparatus suited for management of waste toner

#22
20170074713
2017-03-16

Fluid detection apparatus to detect a quantity of fluid using a vibration

#23
20170031269
2017-02-02

Development device, image forming unit and image forming apparatus

#24
20160349101
2016-12-01

Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium

#25
20160170328
2016-06-16

Powder detector, developing device, process cartridge, image forming apparatus, and powder detecting method

#26
20160116860
2016-04-28

Powder detector, image forming apparatus including same, and powder detecting method

#27
20150253693
2015-09-10

Developing device having a control device that performs a recovery process and image forming apparatus including the same

#28
20150139671
2015-05-21

Developer pump with restricted detection time and image forming device

#29
20150098716
2015-04-09

Toner buffer unit of an electrophotographic image forming apparatus

#30
20140169807
2014-06-19

Systems and methods for measuring a particulate material

#31
20140029983
2014-01-30

Toner resupply device including a detector plate, a douser, and a fixing plate fixing the detector plate and the douser, and image forming apparatus

#32
20130302043
2013-11-14

Apparatus and method for destroying an encoder wheel

#33
20130279925
2013-10-24

Image formation unit and image formation apparatus

#34
20130223857
2013-08-29

Image forming apparatus having developer amount determination

#35
20130136465
2013-05-30

Developing device, process unit, and image forming apparatus

#36
20120243888
2012-09-27

Toner transportation device, image forming apparatus, and method of detecting the amount of toner remaining

#37
20120243887
2012-09-27

TONER TRANSPORTATION DEVICE, TONER CASE, IMAGE FORMING APPARATUS, AND METHOD OF DETECTING REMAINING AMOUNT OF TONER

#38
20120201560
2012-08-09

Apparatus and Method for Destroying an Encoder Wheel

#39
20120177390
2012-07-12

Image forming unit and apparatus that performs stand-by charging of toner

#40
20120106989
2012-05-03

Toner bottle presence and level sensing using weight

#41
20110206391
2011-08-25

Image forming apparatus

#42
20100232815
2010-09-16

TONER CARTRIDGE CAPABLE OF DETECTING RESIDUAL AMOUNT OF TONER STORED THEREIN

#43
20090297177
2009-12-03

Image forming device with variable out-of-toner and low-toner display

#44
20090245820
2009-10-01

Image forming apparatus with developer amount determining unit having rotational period equal to integral multiple of image supporter rotational period

#45
20090190938
2009-07-30

Developer stirring unit, developing device and image forming apparatus

#46
20090148194
2009-06-11

Toner cartridge

#47
20090142078
2009-06-04

Image forming cartridge, image forming apparatus and toner cartridge

#48
20090090878
2009-04-09

System and method for determining volume of an imaging medium in a cartridge

#49
20080317482
2008-12-25

Image forming apparatus

#50
20080095554
2008-04-24

Developer cartridge having different communication states with an image forming apparatus

#51
20070092272
2007-04-26

Method and device for determining an amount of material in a container

#52
20070058997
2007-03-15

Image forming apparatus for supplying toner from one of a plurality of toner cartridges

#53
20060280513
2006-12-14

Image forming apparatus

#54
20060198643
2006-09-07

Remaining amount of toner detecting apparatus, toner cartridge and image forming apparatus

#55
20060188273
2006-08-24

Developing agent detecting mechanism section of developing apparatus

#56
20060093384
2006-05-04

Imaging cartridge status indicator

#57
20060051110
2006-03-09

Image recording apparatus

#58
16794748
2021-01-12

Powder storage height detection device and powder replenishing device

#59
16750450
2020-12-29

Developer storage level detecting device, developer supplying device, and image forming apparatus

#60
16041048
2019-07-09

Toner level detection measuring a radius of a rotatable magnet

#61
16027643
2019-10-01

Toner container for an image forming device having magnets of varying angular offset for toner level sensing