ClassID:

29566

B01D46/4272 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Auxiliary equipment or operation thereof Special valve constructions adapted to filters or filter elements

Recent Application in this class:
#1
20260124571
2026-05-07

SYSTEMS AND METHODS FOR REMOVING ORGANIC COMPOUNDS FROM THE OUTPUT OF PYROLYSIS OR OTHER REACTORS

#2
20260084251
2026-03-26

VACUUM FUNCTION FUME EXTRACTOR ADDITION

#3
20260078936
2026-03-19

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

#4
20260048356
2026-02-19

TWO-STAGE AIR CLEANER SYSTEM WITH SIDE-POSITIONED PRE-CLEANER AND PRE-CLEANER

#5
20260043562
2026-02-12

SYSTEM AND METHOD FOR REMOVAL OF CO2 FROM INDOOR AIR

#6
20260027521
2026-01-29

MICROFILTRATION CONTAINER

#7
20250303338
2025-10-02

POWDER BED FUSION APPARATUS AND METHODS

#8
20250276146
2025-09-04

SELF-SEALING RESPIRATORY FILTER AND CONDENSATE MANAGEMENT APPARATUS

#9
20250269308
2025-08-28

AIR DRYER CARTRIDGE, OIL FILTER, KIT, AIR DRYER, AND METHOD OF ASSEMBLING AN AIR DRYER

#10
20250256233
2025-08-14

BAG FILTER AND OPERATION METHOD TO MINIMIZE CLOGGING DUE TO MOISTURE

#11
20250205629
2025-06-26

PISTON OPERATED PULSE JET SOLENOID VALVE

#12
20250153085
2025-05-15

FILTRATION SYSTEMS WITH PROACTIVE PULSE CLEANING

#13
20250153082
2025-05-15

AIR FILTER FOR COMPRESSED AIR

#14
20250128199
2025-04-24

SYSTEMS AND METHODS FOR REMOVING ORGANIC COMPOUNDS FROM THE OUTPUT OF PYROLYSIS OR OTHER REACTORS

#15
20250084931
2025-03-13

MONITORING SYSTEM AND METHOD FOR ENERGIZED SOLENOID VALVES MOUNTED IN CLOSE PROXIMITY TO ONE ANOTHER

#16
20250082154
2025-03-13

FILTER CLEANING UNIT, VACUUM CLEANER AND METHOD FOR CLEANING A FILTER IN A VACUUM CLEANER

#17
20250034789
2025-01-30

CLOTHES TREATMENT APPARATUS

#18
20240358210
2024-10-31

BYPASS VALVE

#19
20240353022
2024-10-24

CONTROL DEVICE FOR FILTER INSTALLATIONS

#20
20240350959
2024-10-24

VALVE DEVICE

#21
20240293770
2024-09-05

Sealing door valves for low dead volume reactor chamber

#22
20240286071
2024-08-29

Device for recirculation and dehumidification of fluorinated gas

#23
20240260804
2024-08-08

Change-over valve and vacuum cleaner

#24
20240230185
2024-07-11

Gas-Liquid Separator and Compression System

#25
20240164601
2024-05-23

Vacuum cleaner filter cartridge

#26
20240133600
2024-04-25

Gas-Liquid Separator and Compression System

#27
20240087933
2024-03-14

WAFER TRANSPORTING METHOD

#28
20240033669
2024-02-01

Portable Air Filtration System

#29
20230372853
2023-11-23

MULTI-STAGE COALESCING FILTER

#30
20230285780
2023-09-14

MULTI-FUNCTION MASK

#31
20230284853
2023-09-14

Filter device for a vacuum cleaner and filter dedusting method

#32
20230272932
2023-08-31

AIR CLEANER AND METHOD FOR CONTROLLING THE AIR CLEANER

#33
20230264127
2023-08-24

Air filter for compressed air

#34
20230263351
2023-08-24

Filter device and method for dedusting same

#35
20230226478
2023-07-20

CLEANING METHOD, CONTROL APPARATUS AND CONNECTING DEVICE

#36
20230220605
2023-07-13

Clothes treatment apparatus

#37
20230219029
2023-07-13

FILTRATION SYSTEMS WITH SELECTIVE PULSE CONTROL

#38
20230219028
2023-07-13

POWER TOOL INCLUDING AN AIR FILTER AND DEBRIS COLLECTOR

#39
20230210330
2023-07-06

LID ARRANGEMENT FOR A DUST EXTRACTOR COMPRISING A DUST CYCLONE CONTAINER AND A FINE FILTER SECTION

#40
20230182062
2023-06-15

A VALVE ARRANGEMENT FOR AN INDUSTRIAL DUST EXTRACTOR

#41
20230182058
2023-06-15

Valve protection and tube management device

#42
20230181943
2023-06-15

RESPIRATOR MASK FOR LONG-TERM USE

#43
20230117362
2023-04-20

Gas fuel supply system

#44
20230074507
2023-03-09

FUME EXTRACTOR SYSTEM AND METHODS

#45
20230072328
2023-03-09

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

#46
20230055622
2023-02-23

Fan assembly with filtering and exhaust

#47
20230029366
2023-01-26

FLUID DELIVERY MODULE

#48
20220369881
2022-11-24

Dust Collector and Self-Cleaning Method for Filter Thereof

#49
20220364748
2022-11-17

Indoor air pollution prevention system

#50
20220356633
2022-11-10

DEBRIS COLLECTION APPARATUS

#51
20220330774
2022-10-20

Filter cleaning

#52
20220297500
2022-09-22

Air treatment system for a closable room, in particular for a cabin, of a vehicle

#53
20220287521
2022-09-15

Bypass valve

#54
20220258082
2022-08-18

Torsional No Filter No Run System and Method

#55
20220241918
2022-08-04

A Dust Container Arrangement for Construction Sites

#56
20220212134
2022-07-07

Air intake condition monitoring system (CMS)

#57
20220211234
2022-07-07

VACUUM CLEANER

#58
20220192037
2022-06-16

Foldable display device

#59
20220168678
2022-06-02

PORTABLE AIR PURIFIER

#60
20220139746
2022-05-05

Air processing system for semiconductor container

#61
20220133107
2022-05-05

Vacuum cleaner filter cartridge

#62
20220126132
2022-04-28

TIGHT FITTING RESPIRATOR WITH EXHALATION FILTER AND EXHALATION FILTER FOR TIGHT FITTING RESPIRATOR

#63
20220117453
2022-04-21

SUCTION APPARATUS AND METHOD FOR CLEANING A FILTER

#64
20220088522
2022-03-24

Dust and debris filtration system for cleaning air used in the conveyance of granular material to and from the silo, dry bulk trailer, rail car, and other transportation and conveying means

#65
20220088520
2022-03-24

Air filter for compressed air

#66
20220074552
2022-03-10

Apparatus utilizing high-pressure air

#67
20220074482
2022-03-10

PARTICLE CATCHER AND AXLE ASSEMBLY COMPRISING SAME

#68
20220072345
2022-03-10

FACE MASK

#69
20220054965
2022-02-24

Filtration systems with proactive pulse cleaning

#70
20220054787
2022-02-24

Self-sealing respiratory filter and condensate management apparatus

#71
20210402339
2021-12-30

Valve, use of such valve, separator comprising such valve and method of cleaning a separator body

#72
20210395665
2021-12-23

A Bioreactor System

#73
20210393994
2021-12-23

Modular NBC filtration system for protection shelters

#74
20210379316
2021-12-09

RESPIRATORY FILTER AND CONDENSATE MANAGEMENT APPARATUS

#75
20210370009
2021-12-02

HAND-HELD OXYGEN GENERATOR AND AIR PURIFIER

#76
20210345846
2021-11-11

VACUUM CLEANER

#77
20210308769
2021-10-07

POWDER BED FUSION APPARATUS AND METHODS

#78
20210268425
2021-09-02

Valve protection and tube management device

#79
20210229019
2021-07-29

Filter device and method for switching on and/or switching off such filter device

#80
20210228410
2021-07-29

Eye protection for Corona virus

#81
20210172533
2021-06-10

Double screen filter for valve

#82
20210162244
2021-06-03

DUSTPROOF MASK AND MANUFACTURING METHOD THEREOF

#83
20210138384
2021-05-13

Flush valve, dust collector and dust collection system

#84
20210086125
2021-03-25

Filter unit for a barrier system and barrier system, in particular isolator

#85
20210086120
2021-03-25

Portable air filtration system

#86
20210080020
2021-03-18

Quick release purge valve and substrate container using same

#87
20210077937
2021-03-18

Pulse valve

#88
20210048755
2021-02-18

Non-sealed reticle storage device

#89
20210048114
2021-02-18

Quick-release valve module, reticle pod provided with quick-release valve module, and method for quickly providing quick-release valve module on a reticle pod

#90
20210047094
2021-02-18

Sealed reticle storage device with soft contact

#91
20210023496
2021-01-28

Filter device

#92
20200408315
2020-12-31

Pressure relief valve for a pressure regulator and pressure regulator comprising said pressure relief valve

#93
20200385915
2020-12-10

Clothes treatment apparatus

#94
20200370235
2020-11-26

Clothes treatment apparatus

#95
20200355230
2020-11-12

Filtration device and use of said device for separating and collecting brake dust

#96
20200346158
2020-11-05

Filter device, in particular for gas filtration

#97
20200340414
2020-10-29

METHOD FOR THE REGENERATION OF A SOOT PARTICLE FILTER

#98
20200262560
2020-08-20

Bypass flow regulator

#99
20200261840
2020-08-20

Integrated vortex separator

#100
20200248654
2020-08-06

SYSTEM AND METHOD FOR VARIATION OF THE OPENING SPEED OF A FUEL TANK VALVE

#101
20200147538
2020-05-14

Valve, use of such valve, separator comprising such valve and method of operating a separator

#102
20200139286
2020-05-07

Modular low profile in tank filter element assembly

#103
20200122076
2020-04-23

Air cleaner having built-in valve and intake system thereof

#104
20200121146
2020-04-23

Filter cleaning

#105
20200121142
2020-04-23

HANDHELD VACUUM CLEANER

#106
20200116172
2020-04-16

FILTER STRUCTURE ON PRESSURE RELIEF VALVE FOR HYDRAULIC TENSIONER

#107
20200114294
2020-04-16

Inflatable valve filter

#108
20200086263
2020-03-19

Gaskets and diaphragms for filtration systems

#109
20200086259
2020-03-19

Gaskets and diaphragms for filtration systems

#110
20200085266
2020-03-19

Vacuum cleaner and filter for a vacuum cleaner

#111
20200078720
2020-03-12

LOW PARTICULATE MATTER EMISSION FABRIC FILTER

#112
20200070082
2020-03-05

Power tool including an air filter and debris collector

#113
20190393062
2019-12-26

Substrate storage container and gas replacement unit

#114
20190350422
2019-11-21

Dust collector and self-cleaning method for filter thereof

#115
20190323395
2019-10-24

Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system

#116
20190275456
2019-09-12

Vacuum cleaner

#117
20190223669
2019-07-25

Docking station

#118
20190211942
2019-07-11

Quick release purge valve and substrate container using same

#119
20190201826
2019-07-04

Air filter

#120
20190160414
2019-05-30

Dust collector diaphragm valve capable of performing manual emergency operation

#121
20190076771
2019-03-14

Pulse-jet valve performance monitoring system and method

#122
20190072058
2019-03-07

AIR CLEANER CASE

#123
20190046905
2019-02-14

Torsional no filter no run system and method

#124
20190032663
2019-01-31

Water lubrication air compression system

#125
20180348153
2018-12-06

Analysis device

#126
20180308733
2018-10-25

Gas purge filter

#127
20180236386
2018-08-23

CLEANING METHOD, CONTROL APPARATUS AND CONNECTING DEVICE

#128
20180231140
2018-08-16

Valve

#129
20180153210
2018-06-07

Automatic cigarette-lighting purifier

#130
20180140985
2018-05-24

Methods and apparatuses for missing filter detection and prevention in rotating coalescer designs

#131
20180136671
2018-05-17

Pulse valve with pressure vessel penetration

#132
20180133635
2018-05-17

Apparatus for additive manufacturing of three-dimensional objects

#133
20180126312
2018-05-10

Element assembly and filter

#134
20180071415
2018-03-15

REPEATED STERILE USE OF A GAUGE IN A STEAM STERILIZABLE FREEZE-DRYING SYSTEM

#135
20180042437
2018-02-15

Method and apparatus for cleaning a dust storage container

#136
20180016779
2018-01-18

ODOR ELIMINATOR FOR TOILET

#137
20170348625
2017-12-07

Filtering system and a gas flow control device

#138
20170298603
2017-10-19

Dual Vertical Check Valve

#139
20170296014
2017-10-19

Vacuum cleaner and filter for a vacuum cleaner

#140
20170296013
2017-10-19

Vacuum filter

#141
20170296007
2017-10-19

Handheld vacuum cleaner

#142
20170292654
2017-10-12

Adsorbed natural gas storing tank

#143
20170252689
2017-09-07

Diverted pulse jet cleaning device and system

#144
20170209822
2017-07-27

Air filtering system for an electrical enclosure

#145
20170188770
2017-07-06

Ambient Air Backflushed Filter Vacuum

#146
20170151524
2017-06-01

System and method for backflushing a vacuum filter

#147
20170136271
2017-05-18

PERSONAL AIR FILTRATION DEVICE

#148
20170122447
2017-05-04

Pressure relief valve for a pressure regulator and pressure regulator comprising said pressure relief valve

#149
20170072357
2017-03-16

Filter regulator

#150
20170043291
2017-02-16

Filter device for gas container and method of installing the same

#151
20170009437
2017-01-12

Air admittance and check valve

#152
20160348550
2016-12-01

Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system

#153
20160346717
2016-12-01

Modular filter capsule apparatus

#154
20160325211
2016-11-10

Modular filter capsule apparatus

#155
20160317961
2016-11-03

Air filter assembly

#156
20160286668
2016-09-29

Optional device for electrical appliance

#157
20160214048
2016-07-28

Inline pre-filter for aspirated detectors

#158
20160178126
2016-06-23

Fuel gas tank filling system and method

#159
20160177893
2016-06-23

Apparatus for air precleaner and precleaner

#160
20160166968
2016-06-16

Vehicle fuel gas pre-filter unit

#161
20160131093
2016-05-12

Air cleaner structure for blocking inflowing of debris and operation method thereof

#162
20160121252
2016-05-05

Systems and methods for controlling particulate release from large equipment

#163
20160074798
2016-03-17

Valve with small vessel penetration diameter

#164
20150369182
2015-12-24

Inline dump-able fuel system dust filter with pressure relief valve

#165
20150276245
2015-10-01

FLOW ACTUATED FLAP VALVE

#166
20150176545
2015-06-25

Self-cleaning air filter

#167
20150101970
2015-04-16

Modular filter capsule apparatus

#168
20150096445
2015-04-09

Self-closing filter

#169
20140373491
2014-12-25

Diesel fuel and urea tank air breather filter

#170
20140245708
2014-09-04

Air filter assembly

#171
20140230931
2014-08-21

Ambient air backflushed filter vacuum

#172
20140230387
2014-08-21

Air filter assembly

#173
20130264265
2013-10-10

Modular filter capsule apparatus

#174
20130167721
2013-07-04

Filter system

#175
20130167492
2013-07-04

Sealing device and method

#176
20120186208
2012-07-26

Air filtration device for compressor

#177
20120159911
2012-06-28

CRANKCASE FILTER

#178
20120073251
2012-03-29

Self-cleaning air filter

#179
20120060696
2012-03-15

Air filtering system capable of enhancing inspection convenience

#180
20120060453
2012-03-15

Air cleaner with endcap cover

#181
20120056119
2012-03-08

Ambient air backflushed filter vacuum

#182
20120022545
2012-01-26

Surgical device

#183
20110315018
2011-12-29

Liquid separator

#184
20110308392
2011-12-22

Apparatus and method for filtering sectioning wastes of a microtome that are present in an air stream

#185
20110308334
2011-12-22

Apparatus and method for filtering sectioning wastes of a microtome that are present in an air stream

#186
20110290120
2011-12-01

Method and apparatus for in-situ testing of filtration systems

#187
20110185893
2011-08-04

Evacuation valve arrangements; pulse jet air cleaner systems using same; and, methods

#188
20110120313
2011-05-26

Sealed air purifier

#189
20110113737
2011-05-19

Combination relief valve and drainage mechanism requiring inserted element to permit drainage in a coalescer system

#190
20110012043
2011-01-20

Self actuating rotary dust valve

#191
20110011042
2011-01-20

Pulse jet air cleaner system; components; and, methods

#192
20100229972
2010-09-16

Inertially activated ejection valve

#193
20100139585
2010-06-10

Crankcase ventilation filter assembly

#194
20100058722
2010-03-11

Fabric filter system

#195
20090308034
2009-12-17

Evacuation value arrangements; pulse jet air cleaner systems using same; and, method

#196
20090199716
2009-08-13

Apparatus and method for filtering sectioning wastes of a microtome that are present in an air stream

#197
20090120292
2009-05-14

Barrier filter high particulate entry design

#198
20090100811
2009-04-23

Inertial gas-liquid separator with constrictable and expansible nozzle valve sidewall

#199
20090056547
2009-03-05

Method and apparatus for in-situ testing of filtration systems

#200
20090025565
2009-01-29

Air filtering device and cleaning system of semiconductor manufacturing apparatus with the same

#201
20080142419
2008-06-19

FILTRATION SYSTEMS

#202
20080092498
2008-04-24

Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out said method

#203
20080035103
2008-02-14

Crankcase Ventilation Filter

#204
20080029450
2008-02-07

Valve module

#205
20080011366
2008-01-17

STEAM VALVE

#206
20070193929
2007-08-23

Housing for environmentally friendly filter cartridge

#207
20070163445
2007-07-19

Device for measuring filter pressure loss

#208
20070137151
2007-06-21

Reverse-flow cleaning systems and methods

#209
20070125050
2007-06-07

Liquid trap device for gas

#210
20070101688
2007-05-10

NBC filtration unit providing unfiltered and filtered air paths

#211
20070079706
2007-04-12

Control gas filter for gas processing system

#212
20060260093
2006-11-23

Vacuum cleaner receptacle

#213
20060243132
2006-11-02

Filter module with flow control

#214
20060143853
2006-07-06

Liquid separator for vacuum filter

#215
20060107628
2006-05-25

Dust collector and vacuum cleaner having the same

#216
20060070666
2006-04-06

Steam valve

#217
20060000850
2006-01-05

Built in purifier for reactive gases

#218
20050284297
2005-12-29

Gas purification system with an integrated hydrogen sorption and filter assembly

#219
20050268582
2005-12-08

Motor-vehicle air cleaner

#220
20050252839
2005-11-17

Method of making a filtering face mask that has an exhalation valve attached thereto

#221
20050210842
2005-09-29

Reverse pulse cleaning of filter elements

#222
20050188662
2005-09-01

Filter apparatus with automatic cleaning

#223
20050120881
2005-06-09

Reverse-flow cleaning systems and methods

#224
20050092183
2005-05-05

Pressure limiting and/or flow regulating valve for use with POU/POE filter system

#225
20050011036
2005-01-20

Ambient air backflushed filter vacuum

#226
17158341
2022-02-01

Fuel odor control system for vehicle

#227
16927719
2020-12-29

Passenger elevator air purification system

#228
15374357
2019-05-28

Dust collector air inlet control system

#229
15293315
2017-05-23

Dual air admittance valve