ClassID:

29564

B01D46/4254 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Auxiliary equipment or operation thereof Allowing or improving visual supervision, e.g. lamps, transparent parts, windows

Recent Application in this class:
#1
20260138068
2026-05-21

AIR TREATMENT APPARATUS

#2
20260115639
2026-04-30

FILTER SYSTEM FOR SPRAY BOOTH

#3
20250186928
2025-06-12

EXPANDABLE PLEATED AIR FILTERS

#4
20240325959
2024-10-03

AIR CONDITIONER

#5
20240181379
2024-06-06

Pollutant Capturer and Mobilizer

#6
20240019165
2024-01-18

Air purifier

#7
20240011644
2024-01-11

HOOD VENTILATION DEVICE

#8
20240001277
2024-01-04

Filtering apparatus for filtering air from an absorbent articles manufacturing process line

#9
20230072328
2023-03-09

Vacuum filter assembly for processing bulk granular material and filter mounting assembly therefore

#10
20220404054
2022-12-22

Powered room air purifier with air-quality visual indicator

#11
20220379254
2022-12-01

Building's airflow and a clothes dryer's exhaust filtering and recycling system comprising an emergency shutdown element, condensate separation, and multiple airflow configurations within a housing

#12
20220362705
2022-11-17

Air Purification System

#13
20220347619
2022-11-03

Pollutant capturer and mobilizer

#14
20220273271
2022-09-01

MEDICAL FILTRATION SYSTEM

#15
20220205702
2022-06-30

Refrigerator

#16
20220205701
2022-06-30

Air sanitation device for refrigerator and refrigerator

#17
20220160985
2022-05-26

Apparatus and method for filtering liquid particles from inspiratory gas flow of a patient breathing circuit affiliated with a ventilator and/or nitric oxide delivery system

#18
20220111322
2022-04-14

Passenger Compartment Air Vent Filter

#19
20220072461
2022-03-10

SCRUBBER BOX FOR PAINT BOOTH

#20
20220016362
2022-01-20

System and method for launching usage mode in a multimodal surgical gas delivery system

#21
20210361135
2021-11-25

DIRT COLLECTOR FOR A VACUUM CLEANER

#22
20210338027
2021-11-04

Vacuum cleaner

#23
20210338026
2021-11-04

Vacuum cleaner

#24
20210129065
2021-05-06

Restriction indicator device for filter assembly

#25
20210086126
2021-03-25

Powder container

#26
20210080130
2021-03-18

Air purifier

#27
20200298157
2020-09-24

Air purifying system

#28
20200289973
2020-09-17

Pollutant capturer and mobilizer

#29
20200254209
2020-08-13

Apparatus and method for filtering liquid particles from inspiratory gas flow of a patient breathing circuit affiliated with a ventilator and/or nitric oxide delivery system

#30
20200121142
2020-04-23

HANDHELD VACUUM CLEANER

#31
20200085266
2020-03-19

Vacuum cleaner and filter for a vacuum cleaner

#32
20190184324
2019-06-20

Air cleaner

#33
20190125152
2019-05-02

Dirt collector for a vacuum cleaner

#34
20190090710
2019-03-28

Vacuum cleaner

#35
20180236186
2018-08-23

Filter interface for multimodal surgical gas delivery system

#36
20180221597
2018-08-09

System and method for launching usage mode in a multimodal surgical gas delivery system

#37
20180147516
2018-05-31

Combined briquetting and cyclonic separation device and process capable of removing particles from a fluid stream and converting directly into briquettes

#38
20180085702
2018-03-29

Apparatus for removing oil and moisture from a gas

#39
20180036668
2018-02-08

Air treatment system

#40
20180020575
2018-01-18

Fan air filter with tool-less filter replacement

#41
20170296014
2017-10-19

Vacuum cleaner and filter for a vacuum cleaner

#42
20170296013
2017-10-19

Vacuum filter

#43
20170296007
2017-10-19

Handheld vacuum cleaner

#44
20170281896
2017-10-05

Apparatus and method for filtering liquid particles from inspiratory gas flow of a patient breathing circuit affiliated with a ventilator and/or nitric oxide delivery system

#45
20170216754
2017-08-03

ILLUMINATION DEVICE FOR AIR CLEANER ASSEMBLY

#46
20170122601
2017-05-04

Humidification and air cleaning apparatus

#47
20160372225
2016-12-22

WASTE CONTAINER FOR COLLECTING HAZARDOUS MATERIAL

#48
20160325222
2016-11-10

Filter for a propellant gas evacuation system

#49
20160131094
2016-05-12

Air filter, filter element and filter housing of an air filter

#50
20160076781
2016-03-17

METHOD AND APPARATUS FOR MONITORING AND ENSURING AIR QUALITY IN A BUILDING

#51
20160059168
2016-03-03

Textile silica reduction system

#52
20160045851
2016-02-18

ONE TYPE OF PIPE AIR PURIFIER

#53
20160045850
2016-02-18

ONE TYPE OF DUCT AIR PURIFIER

#54
20160023151
2016-01-28

ONE TYPE OF WALL-MOUNTED AIR PURIFIER

#55
20160018117
2016-01-21

Local cleaned air supply device

#56
20150290572
2015-10-15

Air treatment system

#57
20150273384
2015-10-01

Filter for a propellant gas evacuation system

#58
20150273382
2015-10-01

Air treatment system

#59
20150273381
2015-10-01

Air treatment system

#60
20150202391
2015-07-23

Filter interface for multimodal surgical gas delivery system

#61
20150202390
2015-07-23

Filter interface for multimodal surgical gas delivery system

#62
20150202389
2015-07-23

Filter interface for multimodal surgical gas delivery system

#63
20150096446
2015-04-09

DUST-COLLECTING DEVICE OF A SECONDARY DUST-COLLECTING MACHINE

#64
20140326134
2014-11-06

End of service life indicating systems for layered filter cartridges

#65
20140124054
2014-05-08

Case structure for fluid pressure device

#66
20140083299
2014-03-27

Filter apparatus

#67
20140069851
2014-03-13

Filter device and fuel dispensing system comprised thereof

#68
20130231606
2013-09-05

Filter interface for multimodal surgical gas delivery system

#69
20130068106
2013-03-21

Fan-and-filter unit

#70
20120174786
2012-07-12

EXTERNAL AIR FILTER AND FRAME FOR COMPUTING DEVICES

#71
20120150101
2012-06-14

Multimodal surgical gas delivery system for laparoscopic surgical procedures

#72
20100294272
2010-11-25

Filter cartridge having cover for masking service life indicator

#73
20100043637
2010-02-25

Filter assembly and method

#74
20090064864
2009-03-12

AIR PURIFIER ASSEMBLY

#75
20090020486
2009-01-22

Filter assembly and method

#76
20080078688
2008-04-03

Housing assembly with bag presence indicator

#77
20070180993
2007-08-09

Chemical filter unit

#78
20070144354
2007-06-28

AUTOMATED MONITORING OF THE CONDITION OF AN AIR FILTER IN AN ELECTRONICS SYSTEM

#79
20070068855
2007-03-29

Liquid visual display

#80
20060032298
2006-02-16

Air filter restriction sensor assembly

#81
18518523
2026-02-24

IoT enabled smart filter device