ClassID:

29461

B01D46/0041 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding

Sub-classes:
Recent Application in this class:
#1
20260102727
2026-04-16

FAN FILTER UNIT AND CONTROL METHOD THEREOF

#2
20260091337
2026-04-02

GAS FILTER SEPARATOR FILTER CARTRIDGE WITH KEYS AND/OR BAFFLE

#3
20260054300
2026-02-26

System and Method for Removing Contaminated Materials from Railcars for Subsequent Recycling of the Rail Cars

#4
20250296020
2025-09-25

MODULAR FILTER SYSTEM

#5
20250222286
2025-07-10

GAS DELIVERY APPARATUS FOR NASAL APPLICATION

#6
20250101665
2025-03-27

LAUNDRY TREATING APPARATUS

#7
20250083082
2025-03-13

AIRBOX WITH DEBRIS REMOVAL SYSTEM

#8
20250075417
2025-03-06

LAUNDRY TREATING APPARATUS

#9
20250058261
2025-02-20

FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODS

#10
20250032968
2025-01-30

CABIN AIR FILTER SYSTEM FOR A VEHICLE AND METHOD FOR CLEANING AIR SUPPLIED TO A VEHICLE CABIN

#11
20250027004
2025-01-23

NATURAL GAS SYSTEM FOR PROCESSING AND DELIVERY

#12
20250020355
2025-01-16

INDOOR AIR POLLUTION PREVENTION SYSTEM

#13
20250020354
2025-01-16

INDOOR AIR POLLUTION PREVENTION SYSTEM

#14
20240382888
2024-11-21

Fan Cover

#15
20240376837
2024-11-14

CRANKCASE VENTILATION FILTERS WITH AXIAL SEAL MEMBER

#16
20240361023
2024-10-31

HUMIDIFIER

#17
20240342519
2024-10-17

GAS PURIFICATION APPARATUS FOR NASAL APPLICATION

#18
20240282606
2024-08-22

EFEM

#19
20240262250
2024-08-08

SYSTEM AND METHOD OF CLEANING ENVIRONMENTAL AIR FLOWING THROUGH VEHICLE, AND VEHICLE COMPRISING SYSTEM

#20
20240207766
2024-06-27

AIR CLEANER

#21
20240197127
2024-06-20

CLEANER

#22
20240197126
2024-06-20

CLEANER

#23
20240194497
2024-06-13

SUBSTRATE PROCESSING APPARATUS

#24
20240175594
2024-05-30

SYSTEM FOR DETECTING AND CLEANING INDOOR AIR POLLUTION

#25
20240091694
2024-03-21

ROBOT AIR FILTER

#26
20240082770
2024-03-14

Filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#27
20240042359
2024-02-08

LIQUID SEPARATOR

#28
20230372747
2023-11-23

PERSONAL PROTECTIVE ANTI-VIRAL FACE MASK

#29
20230324058
2023-10-12

IN LINE AIR FILTRATION AND PURIFICATION APPARATUS

#30
20230293919
2023-09-21

AIR PURIFICATION APPARATUS FOR NASAL APPLICATION

#31
20230277970
2023-09-07

FILTER FRAME ASSEMBLY FOR FILTER MEDIA, FILTRATION SYSTEM, AND METHOD OF USE THEREOF

#32
20230264133
2023-08-24

Robot air filter

#33
20230233977
2023-07-27

Correcting system, and correcting method

#34
20230219027
2023-07-13

BLOWER, FILTER, DOOR LAYOUT FOR ENHANCED OUTSIDE AND RECIRCULATION AIR FILTRATION ON DEMAND

#35
20230211273
2023-07-06

Filter System and Filter Element

#36
20230211268
2023-07-06

GAS STREAM GUIDING DEVICE AND MANUFACTURING EQUIPMENT

#37
20230201754
2023-06-29

Filter Element and Filter System

#38
20230201750
2023-06-29

FILTER ELEMENT AND FILTER SYSTEM

#39
20230124860
2023-04-20

Gas phase settling (GPS) tray

#40
20230108143
2023-04-06

Apparatus for safely enabling air filtering with box fans and filter

#41
20230105974
2023-04-06

APPARATUS FOR SAFELY ENABLING AIR FILTERING WITH BOX FANS AND FILTER

#42
20230077810
2023-03-16

EFEM

#43
20230072328
2023-03-09

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

#44
20230058004
2023-02-23

GAS FILTER SEPARATOR FILTER CARTRIDGE WITH KEYS AND/OR BAFFLE

#45
20230056299
2023-02-23

System For Aseptic Packaging and Method of Using the Same

#46
20220370946
2022-11-24

AIR POLLUTION PREVENTION DEVICE FOR BABY CARRIAGE

#47
20220362703
2022-11-17

PORTABLE SYSTEM AND METHODOLOGY THAT FACILITATES DUST COLLECTION WITHIN A SILO APPARATUS

#48
20220310412
2022-09-29

GAS CIRCULATION STRUCTURE OF EQUIPMENT FRONT END MODULE (EFEM)

#49
20220266185
2022-08-25

Housing for receiving contaminated airflow from a clothes dryer or from a building's interior, constructed for filtering and recycling thru an interior piping system or disposing out to a building's exterior and comprising a safety mechanical shutdown system of the clothes dryer

#50
20220258087
2022-08-18

Conductive filter unit, conductive filter module including conductive filter unit, and fine dust removal system including conductive filter module

#51
20220226762
2022-07-21

AIR PURIFIER AND FILTER ASSEMBLY THEREOF

#52
20220203285
2022-06-30

PARTICULATE CAPTURING DEVICE AND IMAGE FORMING DEVICE

#53
20220203277
2022-06-30

PARTICLE CAPTURING DEVICE AND IMAGE FORMING DEVICE

#54
20220194314
2022-06-23

Inflator for a passive vehicle safety device

#55
20220154610
2022-05-19

Internal combustion engine exhaust modification system

#56
20220145508
2022-05-12

Combination washer/dryer with a lint screen

#57
20220088526
2022-03-24

Filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#58
20220080232
2022-03-17

Respiratory face mask for improved communications

#59
20220053985
2022-02-24

Cleaner

#60
20220031545
2022-02-03

MEDICAL AIR TREATMENT DEVICE

#61
20220025792
2022-01-27

Blow-by gas filtration assembly with support group

#62
20220023923
2022-01-27

Substrate processing device

#63
20220023787
2022-01-27

Isolation ward structure

#64
20210354070
2021-11-18

Gel-sealed air supply box

#65
20210331109
2021-10-28

Aerosol protection system

#66
20210302302
2021-09-30

METHOD AND SYSTEM FOR ABRASION TESTING OF MATERIALS

#67
20210275953
2021-09-09

Filter device, air conducting hose with filter element, tunnel, and use of the filter device

#68
20210269965
2021-09-02

Clothes care apparatus

#69
20210251449
2021-08-19

Filter and vacuum canister cleaner

#70
20210245087
2021-08-12

Miniature gas detection and purification device

#71
20210245082
2021-08-12

Filter element

#72
20210245079
2021-08-12

Air filtration system

#73
20210210364
2021-07-08

Substrate processing apparatus

#74
20210205749
2021-07-08

Exhaust gas filter for reflow oven

#75
20210186287
2021-06-24

Vacuum cleaner

#76
20210176953
2021-06-17

Apparatus for dispensing bedding inside of breeding cages for use in pharmaceutical preclinical research centres, and method of using said apparatus

#77
20210131682
2021-05-06

Negative pressure wall box

#78
20210101102
2021-04-08

Assembled air cleaner

#79
20210080905
2021-03-18

Filter, collecting device, and image forming apparatus

#80
20210060626
2021-03-04

METHOD AND APPARATUS FOR ATTACHMENT AND EVACUATION

#81
20210031130
2021-02-04

Pre-cleaning air filter

#82
20210028031
2021-01-28

EFEM

#83
20210023493
2021-01-28

Portable system and methodology that facilitates dust collection within a silo apparatus

#84
20210008480
2021-01-14

Indoor unit for air-conditioning apparatus

#85
20200385915
2020-12-10

Clothes treatment apparatus

#86
20200305507
2020-10-01

E-cigarette with valve allowing exhale filter

#87
20200300545
2020-09-24

Fluidized bed system

#88
20200261295
2020-08-20

Medical air treatment device

#89
20200222868
2020-07-16

Airborne dust abatement device

#90
20200220188
2020-07-09

Device for decreasing concentration of hydrogen exhausted from fuel cell

#91
20200215472
2020-07-09

Reservoir Inlet Air Cleaning System

#92
20200208852
2020-07-02

In line air filtration and purification apparatus

#93
20200156598
2020-05-21

Cleaner using HVAC module

#94
20200132025
2020-04-30

Multiple Inlet Vehicle Air Filtration System

#95
20200114734
2020-04-16

Adapter plate for an air purifier for use in vehicles

#96
20190321766
2019-10-24

Filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#97
20190308123
2019-10-10

Filter device and round filter element, in particular for gas filtration

#98
20190307165
2019-10-10

HAND-HELD SMOKE CONTAINMENT AND FILTER DEVICE

#99
20190299140
2019-10-03

Plenum separator

#100
20190241360
2019-08-08

Silo dust collection

#101
20190217959
2019-07-18

Foldable RAM air inlet filter

#102
20190201949
2019-07-04

SUBSTRATE PROCESSING DEVICE

#103
20190195511
2019-06-27

Extractor fan apparatus for extracting cooking vapours downwards

#104
20190186805
2019-06-20

Air filter bracket

#105
20190145655
2019-05-16

Filter assembly for HVAC apparatus

#106
20190142989
2019-05-16

Fragrance dispenser for air filter

#107
20190134548
2019-05-09

BLOWING UNIT FOR AIR CLEANER AND AIR CLEANER INCLUDING THE SAME

#108
20190128220
2019-05-02

Air box for a vehicle

#109
20190099713
2019-04-04

Gas filter

#110
20190093685
2019-03-28

Flow distributer

#111
20190085852
2019-03-21

Modular fan assembly

#112
20190030476
2019-01-31

Mobile dust extraction device

#113
20180335033
2018-11-22

Filtering element and associated mounting device for vacuum pump

#114
20180304188
2018-10-25

Outdoor Air Filtration Device

#115
20180280854
2018-10-04

Portable system and methodology that facilitates dust collection within a silo apparatus

#116
20180245550
2018-08-30

Air intake structure of automobile air cleaner and air intake structure for automobile

#117
20180238623
2018-08-23

Fluidized bed system

#118
20180164283
2018-06-14

Handheld air sampler device, air sampling arrangement, filter magazine for storing and predefined positioning filter elements on a backing element of a handheld filter device, method for applying a filter element to a backing element of a handheld air sampling device

#119
20180156094
2018-06-07

Exhaust aftertreatment system, apparatus, and method

#120
20180154295
2018-06-07

FABRIC FILTER LOUVER ASSEMBLY

#121
20180133084
2018-05-17

Medical air treatment device

#122
20180126314
2018-05-10

Modular cleaner for airborne dust with detachable bin

#123
20180102560
2018-04-12

Device for decreasing concentration of hydrogen exhausted from fuel cell

#124
20180100474
2018-04-12

Air intake structure for a motorcycle engine

#125
20180080419
2018-03-22

Air box assembly for an outdoor power tool

#126
20180017284
2018-01-18

Indoor unit for air-conditioning apparatus

#127
20180016779
2018-01-18

ODOR ELIMINATOR FOR TOILET

#128
20180008926
2018-01-11

Indoor unit for air-conditioning apparatus

#129
20170368487
2017-12-28

Pre-cleaning air filter

#130
20170367420
2017-12-28

SYSTEM AND GARMENT FOR MINIMIZING CLEAN ENVIRONMENT CONTAMINATION

#131
20170350608
2017-12-07

In line air filtration and purification apparatus

#132
20170348625
2017-12-07

Filtering system and a gas flow control device

#133
20170328590
2017-11-16

PARALLEL AIR FILTRATION

#134
20170326410
2017-11-16

Air-cleaning fitness device

#135
20170304761
2017-10-26

Portable system and methodology that facilitates dust collection within a silo apparatus

#136
20170304757
2017-10-26

PORTABLE INDUSTRIAL AIR FILTRATION DEVICE

#137
20170296958
2017-10-19

Cleaner

#138
20170294324
2017-10-12

Collection chamber apparatus to separate multiple fluids during the semiconductor wafer processing cycle

#139
20170281255
2017-10-05

Smoke evacuation system for invasive surgical procedures

#140
20170276100
2017-09-28

Air filter element

#141
20170266601
2017-09-21

Filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#142
20170246582
2017-08-31

Air cleaner and method for controlling an air cleaner

#143
20170246575
2017-08-31

Fabric filter louver assembly

#144
20170246570
2017-08-31

Air cleaner

#145
20170232373
2017-08-17

Filter housing for filter fan

#146
20170210195
2017-07-27

Air treatment system with pressure balance

#147
20170176283
2017-06-22

ENDOSCOPE REPROCESSOR, AND LEAK TEST METHOD OF ENDOSCOPE REPROCESSOR

#148
20170165725
2017-06-15

Method and apparatus for attachment and evacuation

#149
20170136139
2017-05-18

Fragrance dispenser for air filter

#150
20170119951
2017-05-04

MEMS based filter and catalizer

#151
20170113517
2017-04-27

AUTOMATIC DUST REMOVAL DEVICE FOR VEHICLE

#152
20170103785
2017-04-13

Particulate filter

#153
20170087497
2017-03-30

INLET DISTRIBUTOR DEVICE AND METHODS FOR USE AND DESIGN THEREOF

#154
20170066302
2017-03-09

Air guide housing and ventilation, heating or air conditioning system with such an air guide housing

#155
20170065924
2017-03-09

Filter and filter media having reduced restriction

#156
20170050136
2017-02-23

Filter assembly with curved inlet guide

#157
20170043288
2017-02-16

Filtered Airflow for Exercise Machines

#158
20170028335
2017-02-02

Laminated nonwoven fabric and air purifier

#159
20170028333
2017-02-02

Dust removing apparatus and notification method

#160
20170028329
2017-02-02

Laminated nonwoven fabric and air purifier

#161
20160325216
2016-11-10

Portable system and methodology that facilitates dust collection within a silo apparatus

#162
20160310877
2016-10-27

Fluid filtration and particle concentration device and methods

#163
20160279556
2016-09-29

AIR PURIFICATION APPARATUS AND METHOD

#164
20160272064
2016-09-22

Fuel tank cap with charcoal canister

#165
20160271550
2016-09-22

Air purification system

#166
20160270446
2016-09-22

E-cigarette with valve allowing exhale filter

#167
20160264354
2016-09-15

Silo dust collection

#168
20160263610
2016-09-15

Coating mist collection apparatus

#169
20160256810
2016-09-08

Oil mist filter

#170
20160250657
2016-09-01

PAINTING INSTALLATION AND METHOD FOR OPERATING A PAINTING INSTALLATION

#171
20160228806
2016-08-11

Device for circulating a gas in a closed circuit

#172
20160223213
2016-08-04

Air suction wall for equipping industrial working areas, such as welding areas

#173
20160201619
2016-07-14

Filter element

#174
20160201255
2016-07-14

Steamer with filter unit, filter cartridge and method of conveying steam

#175
20160193714
2016-07-07

PORTABLE SYSTEM FOR COLLECTING A DUST FROM A DUST PRODUCING MACHINE

#176
20160184754
2016-06-30

System for providing flow of filtered air

#177
20160184753
2016-06-30

Air cleaner and home appliance having air processing unit

#178
20160175754
2016-06-23

Method of filtering particulates from the air using a composite filter substrate comprising a mixture of fibers

#179
20160175468
2016-06-23

Air filter unit

#180
20160160815
2016-06-09

Filter media

#181
20160131094
2016-05-12

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

#182
20160123282
2016-05-05

Hollow filter element, filter housing and filter

#183
20160115917
2016-04-28

Hollow filter element, filter housing, and filter

#184
20160115916
2016-04-28

Inertial separation pre-cleaner

#185
20160114281
2016-04-28

Fluid filtration device and system

#186
20160114278
2016-04-28

Air purifier

#187
20160114277
2016-04-28

Air purifier

#188
20160114276
2016-04-28

Air purifier

#189
20160102638
2016-04-14

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

#190
20160101380
2016-04-14

Filter housing, hollow filter element and filter

#191
20160082380
2016-03-24

Modular cleaner for airborne dust with detachable bin

#192
20160076781
2016-03-17

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

#193
20160074792
2016-03-17

Air cleaner and air conditioner having air-cleaning function

#194
20160059170
2016-03-03

Applying apparatus

#195
20150352479
2015-12-10

Air cleaner

#196
20150335217
2015-11-26

Hand-held pneumatic vacuum

#197
20150266305
2015-09-24

Ink aerosol filtration

#198
20150168913
2015-06-18

Exhaust air cleaning apparatus and image forming apparatus

#199
20150165083
2015-06-18

Exhaust gas filter device

#200
20150128546
2015-05-14

Filter assembly and filter element for use in the assembly

#201
20150013290
2015-01-15

Filter and filter media having reduced restriction

#202
20140373495
2014-12-25

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

#203
20140338528
2014-11-20

Method and apparatus for monitoring and ensuring air quality in a building

#204
20140260996
2014-09-18

Portable industrial air filtration device

#205
20140260994
2014-09-18

Portable industrial air filtration device

#206
20140260132
2014-09-18

Air cleaner

#207
20140238240
2014-08-28

DOWNFLOW DUST COLLECTORS HAVING DIRTY AIR CHANNELS

#208
20140224129
2014-08-14

Filter element

#209
20140223874
2014-08-14

Air filter element

#210
20140223870
2014-08-14

Filter element

#211
20140223868
2014-08-14

Air filter element

#212
20140165842
2014-06-19

Fluid filtration device and system

#213
20140137523
2014-05-22

Inertial filter

#214
20140059986
2014-03-06

Filter arrangement and method for producing a filter receptacle

#215
20130259758
2013-10-03

Filter device and filter method

#216
20130081224
2013-04-04

Device for purifying a fluid

#217
20120285323
2012-11-15

Filter device for separating paint overspray

#218
20120260616
2012-10-18

EXCHANGEABLE FILTER MODULE FOR A HOUSING

#219
20120137890
2012-06-07

Dust-removing method

#220
20120055127
2012-03-08

Filter and filter media having reduced restriction

#221
20120006747
2012-01-12

Methods of dynamic filtration using centrifugal force and methods of making a dynamic filtration device

#222
20110232983
2011-09-29

Air cleaner device

#223
20110223071
2011-09-15

Apparatus for purifying and neutralizing toxic gases

#224
20110220586
2011-09-15

Fluid filtration and particle concentration device and methods

#225
20110056383
2011-03-10

FILTER

#226
20100236201
2010-09-23

Filter cartridge for air cleaner

#227
20100236199
2010-09-23

Dust collector

#228
20100199912
2010-08-12

Method for supplying auxiliary material and receptacle for auxiliary material

#229
20100199616
2010-08-12

Gas filtering apparatus

#230
20100197213
2010-08-05

Method and apparatus for introducing auxiliary material

#231
20100126350
2010-05-27

Filter apparatus and method

#232
20100058723
2010-03-11

Adapter for a compressed air filter and use of the same

#233
20100044309
2010-02-25

Dynamic filtration device using centrifugal force

#234
20100043637
2010-02-25

Filter assembly and method

#235
20090120292
2009-05-14

Barrier filter high particulate entry design

#236
20090118121
2009-05-07

Exhaust Emission Control Catalyst and Exhaust Emission Control System

#237
20090101018
2009-04-23

Turbulence device used for air filtration system

#238
20090100811
2009-04-23

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

#239
20090090091
2009-04-09

Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods

#240
20090078626
2009-03-26

Filter cartridge housing attachment systems

#241
20090050095
2009-02-26

Air cleaner, engine unit and straddle-type vehicle

#242
20090031983
2009-02-05

Air Filter for an Air Intake System of a Multi-Cylinder Internal Combustion Engine

#243
20090020486
2009-01-22

Filter assembly and method

#244
20080209870
2008-09-04

Gas diffusion device

#245
20080086990
2008-04-17

Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods

#246
20080072764
2008-03-27

Uniform aerosol deposit sampling device

#247
20070186520
2007-08-16

Filter assembly with adjustable inlet opening

#248
20050217225
2005-10-06

Thermal regenerative granular-moving bed apparatus

#249
20050086917
2005-04-28

Device for filtering a gas flowing through a line

#250
17744095
2025-06-24

Fan diffuser assembly and method

#251
15289213
2017-10-17

Method of decontamination for a high activity nuclear waste polluted storage canister

#252
15090793
2018-05-22

Dumpster filtration system

#253
14600108
2016-04-05

Spreader truck vacuum system

#254
14173555
2015-10-20

Air filtration assembly