ClassID:

30662

B01D2267/30 - CPC Classification

Classification description:

Multiple filter elements specially adapted for separating dispersed particles from gases or vapours Same type of filters

Recent Application in this class:
#1
20260115637
2026-04-30

GAS TREATMENT APPARATUS FOR VENT

#2
20260091337
2026-04-02

GAS FILTER SEPARATOR FILTER CARTRIDGE WITH KEYS AND/OR BAFFLE

#3
20260078936
2026-03-19

DEHYDRATING FILTER, PARTICULARLY FOR AIR CONDITIONING AND/OR REFRIGERATION SYSTEMS

#4
20260070067
2026-03-12

ELECTRONICALLY ENHANCED AIR CLEANER WITH MULTIPLE FILTERS AND ENERGY GRIDS

#5
20260054209
2026-02-26

Method for Purifying Dust-containing Gas with Positive Pressure

#6
20250360683
2025-11-27

MIXED COLLECTION AND COMPRESSION DEVICE FOR DUST AND THIN METAL

#7
20250276265
2025-09-04

GAS FILTER SYSTEM

#8
20250171948
2025-05-29

CLOTHING DRYER INCLUDING FILTER ASSEMBLY

#9
20240269601
2024-08-15

HOT GAS FILTRATION WITH ENHANCED COMPARTMENTAL FLOW DISTRIBUTION VIA DUAL FILTER CONFIGURATIONS

#10
20240183613
2024-06-06

POWDER DRYING SYSTEM WITH IMPROVED INLET ARRANGEMENT TO THE FILTER UNIT AND METHOD OF OPERATING THE FILTER UNIT OF SUCH A SYSTEM

#11
20240149200
2024-05-09

PULSE FILTER WITH INTEGRAL SUPPORT

#12
20240149198
2024-05-09

Kit for Air-Filtration Assembly

#13
20240139666
2024-05-02

Filter element having inner support and methods

#14
20240082771
2024-03-14

REDUCED-SIZE DEVICE FOR AIR PURIFICATION

#15
20240042475
2024-02-08

DEVICE FOR REMOVING WET PAINT OVERSPRAY

#16
20240009608
2024-01-11

AIR FILTER MOUNTING PLATE

#17
20240001276
2024-01-04

AN AIR FILTRATION CASSETTE, AN AIR FILTER AND A FILTER ARRANGEMENT

#18
20230311045
2023-10-05

FILTER ELEMENT PAPER COMPONENT AND AIR FILTER MESH

#19
20230233971
2023-07-27

AIR FILTER AND AIR PURIFIER COMPRISING SAME

#20
20230072328
2023-03-09

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

#21
20230058004
2023-02-23

GAS FILTER SEPARATOR FILTER CARTRIDGE WITH KEYS AND/OR BAFFLE

#22
20220355234
2022-11-10

Pleated filter media assembly

#23
20220290602
2022-09-15

Engine multi-path aftertreatment system with radio frequency sensors and methods, assemblies, and components thereof

#24
20220118393
2022-04-21

Filter element having inner support and methods

#25
20220111376
2022-04-14

Particulate filters

#26
20220096986
2022-03-31

Filtration device having a latch mechanism adapter

#27
20220088511
2022-03-24

BRANCHED FILTER AND METHOD OF USE

#28
20220072461
2022-03-10

SCRUBBER BOX FOR PAINT BOOTH

#29
20210379521
2021-12-09

Filter candle

#30
20210346829
2021-11-11

Filtering module

#31
20210325039
2021-10-21

System for removing particulate matter from biomass combustion exhaust gas comprising gas cyclones and baghouses

#32
20210245083
2021-08-12

Filter module comprising sensor and method for determining the state of a filter element

#33
20210229020
2021-07-29

Support members for filter pleated media

#34
20210138400
2021-05-13

COMPOUND FILTER MODULE FOR VEHICLE AIR CLEANER

#35
20210131733
2021-05-06

POWDER DRYING SYSTEM WITH IMPROVED INLET ARRANGEMENT TO THE FILTER UNIT AND METHOD OF OPERATING THE FILTER UNIT OF SUCH A SYSTEM

#36
20210129063
2021-05-06

Filter for purifying an air stream

#37
20210121814
2021-04-29

Dust extraction unit

#38
20210113948
2021-04-22

Filter assembly and air cleaner having the same

#39
20210106936
2021-04-15

UNIVERSAL AIR FILTERS

#40
20210046467
2021-02-18

Particulate filters

#41
20210039027
2021-02-11

VENTILATION DEVICE FOR FILTERING AIR AND FOR SEPARATING WATER AEROSOLS OUT OF THE AIR

#42
20200368663
2020-11-26

Filter element having inner support and methods

#43
20200298158
2020-09-24

Air purifier and air purifying system

#44
20200298157
2020-09-24

Air purifying system

#45
20200269173
2020-08-27

Adjustable filter track for HVAC system

#46
20200269172
2020-08-27

Adjustable filter track for HVAC system

#47
20200269171
2020-08-27

Adjustable filter track for HVAC system

#48
20200254375
2020-08-13

Air intake filter assemblies with actuatable filter slats for heating, ventilation, and/or air conditioning (HVAC) systems

#49
20200179855
2020-06-11

Adjustable filter assemblies for HVAC systems

#50
20200141595
2020-05-07

Auxiliary filter for the indoor unit of a mini-split heat pump

#51
20200086260
2020-03-19

Dust collector for gaseous fluids and a method for manufacturing the dust collector

#52
20190374882
2019-12-12

Device for separating solid particles from liquids and gases

#53
20190160408
2019-05-30

Glue-free airtight filtering equipment

#54
20190022675
2019-01-24

Modular spray dryer system

#55
20180363533
2018-12-20

Emissions control systems and methods

#56
20180361297
2018-12-20

System and method for filtering a gas-solids mixture

#57
20180361291
2018-12-20

Portable air filter device and method

#58
20180352822
2018-12-13

Filtration system

#59
20180318747
2018-11-08

Support members for filter pleated media

#60
20180266319
2018-09-20

LIQUID-GAS SEPARATOR MEDIA

#61
20180250625
2018-09-06

Filter element and filter assembly

#62
20180236468
2018-08-23

Fluidized bed spray dryer system

#63
20180207572
2018-07-26

Reusable air filter

#64
20180104634
2018-04-19

CONTROLLED AIR PULSE AIR FILTER SYSTEM

#65
20170361257
2017-12-21

Air filtering assembly for a motor vehicle

#66
20170361256
2017-12-21

Air filtering assembly for a motor vehicle

#67
20170361255
2017-12-21

Filter cartridge with seal member and methods

#68
20170333821
2017-11-23

Filter frame

#69
20170320013
2017-11-09

CATALYZED FILTRATION MEDIA WITH HIGH SURFACE AREA MATERIAL AND METHOD FOR MAKING THE SAME

#70
20170252691
2017-09-07

Filter element having inner support and methods

#71
20170246582
2017-08-31

Air cleaner and method for controlling an air cleaner

#72
20170234182
2017-08-17

HIGH-END PROCESSING DEVICE FOR PURIFICATION OF EXHAUST OF DIESEL ENGINE

#73
20170232375
2017-08-17

Filter apparatus for compressed air

#74
20170209891
2017-07-27

DEVICE FOR REMOVING WET PAINT OVERSPRAY

#75
20170191657
2017-07-06

METHOD OF CLEANING A CARBON DIOXIDE RICH FLUE GAS AND A BOILER SYSTEM

#76
20170182444
2017-06-29

Filter cartridge with seal member and methods

#77
20170173501
2017-06-22

Filter assembly and method of use

#78
20170151576
2017-06-01

Spray dryer with improved exhaust gas filtration system

#79
20170151527
2017-06-01

AIR PURIFIER

#80
20170151518
2017-06-01

Air cleaner

#81
20170151512
2017-06-01

Filtering apparatus

#82
20170144120
2017-05-25

Spray dryer

#83
20170136271
2017-05-18

PERSONAL AIR FILTRATION DEVICE

#84
20170120267
2017-05-04

Apparatus and method for spray drying

#85
20170058750
2017-03-02

Emissions control systems and methods

#86
20170056801
2017-03-02

Modular inlet filter for a compressor system

#87
20170049118
2017-02-23

Filtration system

#88
20170028332
2017-02-02

Controlled pulse air filter system

#89
20160360767
2016-12-15

Filtration system

#90
20160353759
2016-12-08

Filtration system

#91
20160339374
2016-11-24

Forcing and fixing structure for the filter cylinders of a filter cylinder type dust collector

#92
20150033687
2015-02-05

Filter structure for removing contaminants from stream of fluid

#93
20140366883
2014-12-18

Filter box assembly and filter unit

#94
20140033926
2014-02-06

Filtration System

#95
20120079798
2012-04-05

Filter structure for removing contaminants from stream of fluid

#96
20110083559
2011-04-14

Filter cartridge with seal member and methods

#97
20110083408
2011-04-14

Filter cartridge, dust collectors, and methods

#98
20090209188
2009-08-20

Device for removing wet paint overspray

#99
20090113862
2009-05-07

Volume-efficient filter

#100
20080142419
2008-06-19

FILTRATION SYSTEMS

#101
20080120949
2008-05-29

Filter assembly

#102
20070294987
2007-12-27

NATURAL GAS FILTER FOR PARTICULATE AND LIQUID IMPURITIES

#103
20070256395
2007-11-08

Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter

#104
20070234692
2007-10-11

Exhaust gas filter

#105
20070157808
2007-07-12

Filter with enhanced media area utilization

#106
20070144125
2007-06-28

PERIMETER FILTER FRAME HAVING INTERNAL RETAINING FINS

#107
20070137155
2007-06-21

Multiple flow filter system

#108
20070125048
2007-06-07

Natural gas filter for particulate and liquid impurities

#109
20060277875
2006-12-14

Stackable air purifier system with expandable housing

#110
20060272302
2006-12-07

Air intake filter assembly

#111
20060048489
2006-03-09

Removable air filter system for compressors

#112
20050039601
2005-02-24

Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter

#113
18146666
2026-03-10

Computer farm ventilation system

#114
14226707
2014-09-16

Method for filtering air

#115
14226693
2014-09-16

Interlocking filtration system