ClassID:

29513

B01D46/12 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements

Sub-classes:
Recent Application in this class:
#1
20260068822
2026-03-12

AERATED FLOOR SYSTEM FOR GRAIN BINS

#2
20250387728
2025-12-25

APPARATUS FOR MANUFACTURING ORGANIC MATERIAL AND METHOD OF MANUFACTURING ORGANIC MATERIAL USING THE APPARATUS

#3
20250319496
2025-10-16

AIR FILTER AND WIPER BLADES FOR REDUCING PARTICLE INSIDE ELECTRONIC DEVICES

#4
20250295869
2025-09-25

ADMINISTRATION OF HYPOXIA ACTIVATED PRODRUGS AND ANTIANGIOGENIC AGENTS FOR THE TREATMENT OF CANCER

#5
20250288931
2025-09-18

AIR FILTER AND USE OF A FILTER ELEMENT IN AN AIR FILTER

#6
20250257887
2025-08-14

FILTER ASSEMBLY AND AIR PURIFIER INCLUDING SAME

#7
20250250735
2025-08-07

LAUNDRY TREATING APPARATUS

#8
20250250734
2025-08-07

LAUNDRY TREATING APPARATUS

#9
20250249389
2025-08-07

FILTER APPARATUS

#10
20250242286
2025-07-31

MULTI-PLY FILTER SCREEN ASSEMBLY FOR USE WITH AN AIR INTAKE OPENING

#11
20250222384
2025-07-10

FILTER ELEMENT AND FILTER DEVICE

#12
20250214013
2025-07-03

AIR FLOW SEPARATION ELEMENT

#13
20250041634
2025-02-06

WEARABLE AIR PURIFIER ASSEMBLY AND AIR PURIFIER THEREOF

#14
20250025817
2025-01-23

FILTER UNIT AND METHOD FOR MANUFACTURING THE SAME

#15
20240408526
2024-12-12

FLAT-FILTER FILTER ELEMENT WITH AT LEAST TWO FILTER MEDIUM BODIES, FILTER SYSTEM AND USE OF FLAT-FILTER FILTER ELEMENT

#16
20240358210
2024-10-31

BYPASS VALVE

#17
20240350955
2024-10-24

AIR PURIFIER

#18
20240328470
2024-10-03

Brake Dust Particle Filter, Disc Brake Assembly, and Filter Insert Part

#19
20240325955
2024-10-03

SPLIT FLOW AXIAL CRANKCASE SEPARATOR

#20
20240307809
2024-09-19

FILTER CARTRIDGE COMPRISING A PLURALITY OF FILTER ELEMENTS

#21
20240278159
2024-08-22

INDOOR UNIT FOR AIR CONDITIONER

#22
20240278158
2024-08-22

INDOOR UNIT FOR AIR CONDITIONER

#23
20240278157
2024-08-22

INDOOR UNIT FOR AIR CONDITIONER

#24
20240278156
2024-08-22

INDOOR UNIT FOR AIR CONDITIONER

#25
20240215428
2024-06-27

APPARATUS FOR MANUFACTURING ORGANIC MATERIAL AND METHOD OF MANUFACTURING ORGANIC MATERIAL USING THE APPARATUS

#26
20240189752
2024-06-13

MIST AND VAPOR ELIMINATING FILTER, DEVICE, SYSTEM AND METHOD OF USE

#27
20240189498
2024-06-13

SURGICAL SUCTION VENTING SYSTEM

#28
20240181379
2024-06-06

Pollutant Capturer and Mobilizer

#29
20240168531
2024-05-23

AIR FILTER AND WIPER BLADES FOR REDUCING PARTICLE INSIDE ELECTRONIC DEVICES

#30
20240149198
2024-05-09

Kit for Air-Filtration Assembly

#31
20240139664
2024-05-02

LIQUID SEPARATOR

#32
20240082772
2024-03-14

VENT ASSEMBLY WITH MEDIA SUPPORT BRACE

#33
20240082771
2024-03-14

REDUCED-SIZE DEVICE FOR AIR PURIFICATION

#34
20240033669
2024-02-01

Portable Air Filtration System

#35
20240033667
2024-02-01

Air Filter

#36
20240033395
2024-02-01

AIR STERILISATION UNIT

#37
20240009612
2024-01-11

MEDICAL FILTRATION DEVICE AND SYSTEMS

#38
20240001275
2024-01-04

FILTER GROUP

#39
20230364545
2023-11-16

DUST REMOVAL FILLER, FOULING COLLECTION PAN AND GAS CLEANING DEVICE

#40
20230356125
2023-11-09

FILTRATION UNIT FOR ASPIRATING INFECTIOUS AEROSOLS AND SPRAY DROPLETS EXPELLED FROM A PATIENT'S MOUTH AND METHOD FOR ASPIRATING SUCH INFECTIOUS AEROSOLS AND SPRAY DROPLETS

#41
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

#42
20230324058
2023-10-12

IN LINE AIR FILTRATION AND PURIFICATION APPARATUS

#43
20230311044
2023-10-05

Heating ventilation and air conditioner filter with user customizable filter elements

#44
20230309771
2023-10-05

Filter device and method for dedusting same

#45
20230309770
2023-10-05

SELF-PROPELLED CLEANING MACHINE

#46
20230302416
2023-09-28

POINT OF USE OR POINT OF DISPENSE FILTER WITH MULTIPLE PLEAT PACKS

#47
20230285886
2023-09-14

Pollutant filtering assembly

#48
20230284853
2023-09-14

Filter device for a vacuum cleaner and filter dedusting method

#49
20230277972
2023-09-07

Apparatus for trapping of reaction by-product capable of expanding the area for collection by inducing gas flow

#50
20230271126
2023-08-31

FILTER FRAME AND AIR PURIFIER COMPRISING SAME

#51
20230256384
2023-08-17

FILTRATION IN GAS DEHYDRATION

#52
20230241538
2023-08-03

MIST AND VAPOR ELIMINATING FILTER, DEVICE, SYSTEM AND METHOD OF USE

#53
20230220606
2023-07-13

Integrated washer-dryer

#54
20230201753
2023-06-29

AN IMPROVED MECHANICAL ELECTROSTATIC FILTER ASSEMBLY

#55
20230200609
2023-06-29

DUST COLLECTING DEVICE FOR A POWER TOOL

#56
20230191304
2023-06-22

HIGH-TEMPERATURE STEAM-WATER FILTERING UNIT AND COMBINED HIGH-TEMPERATURE STEAM-WATER FILTERING DEVICE

#57
20230184635
2023-06-15

AIR PURIFIER

#58
20230119976
2023-04-20

AIR PURIFIER WITH INTELLIGENT SENSORS AND AIRFLOW

#59
20230098531
2023-03-30

OIL MIST FILTERING APPARATUS, COOKING APPARATUS INCLUDING THE SAME, AND VENTILATION SYSTEM INCLUDING THE SAME

#60
20230015051
2023-01-19

Filter Having Multiple Denier Fibers

#61
20230008929
2023-01-12

Assembly of a Containment Means with an Aseptic Working Chamber

#62
20220387919
2022-12-08

Filter frame assembly

#63
20220370947
2022-11-24

Indoor unit for air conditioner

#64
20220347619
2022-11-03

Pollutant capturer and mobilizer

#65
20220339568
2022-10-27

FILTER UNIT AND METHOD FOR MANUFACTURING THE SAME

#66
20220339471
2022-10-27

MULTI-LAYER FILTRATION SYSTEM AND FILTER UNIT COMPRISING SAME

#67
20220325813
2022-10-13

AIR VENTILATION VALVE

#68
20220323893
2022-10-13

COLLAPSIBLE FILTER FRAME

#69
20220287521
2022-09-15

Bypass valve

#70
20220279751
2022-09-08

Pet bed platform with air filtration system

#71
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

#72
20220258090
2022-08-18

FLUOROPLASTIC SUPPORT MEMBRANE

#73
20220241721
2022-08-04

Filtration in gas dehydration

#74
20220233986
2022-07-28

HIGH-EFFICIENCY PARTICULATE AIR FILTER ASSEMBLY

#75
20220218861
2022-07-14

AIR PURIFIER COMBINED WITH AROMATIZING DEVICE

#76
20220176296
2022-06-09

Foldable filter arrangement consisting of a plurality of individual filter elements

#77
20220176287
2022-06-09

WALL-MOUNTED AIR PURIFIER

#78
20220124918
2022-04-21

Arc flash energy diffuser

#79
20220118392
2022-04-21

TOWER TYPE AIR CLEANING DEVICE FOR OUTDOOR

#80
20220097493
2022-03-31

CABIN FILTER UNIT

#81
20220088527
2022-03-24

BRANCHED FILTER AND METHOD OF USE

#82
20220088523
2022-03-24

Split flow axial crankcase separator

#83
20220072461
2022-03-10

SCRUBBER BOX FOR PAINT BOOTH

#84
20220061606
2022-03-03

Filter assembly and drying appartus having the same

#85
20220056825
2022-02-24

Breather/check valve oil and air separator system and method

#86
20220040419
2022-02-10

FILTER CARTRIDGE ASSEMBLIES

#87
20220032092
2022-02-03

NBC filtration systems

#88
20210402332
2021-12-30

Filter assembly

#89
20210370214
2021-12-02

Light guide plate having air permeability and air purifying filter including the same

#90
20210252207
2021-08-19

Virus-collecting filter for medical aspirator system

#91
20210245083
2021-08-12

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

#92
20210236978
2021-08-05

AIR PURIFICATION DEVICE

#93
20210205749
2021-07-08

Exhaust gas filter for reflow oven

#94
20210195791
2021-06-24

Rack mounted equipment with rear post mounted air filter panels

#95
20210138400
2021-05-13

COMPOUND FILTER MODULE FOR VEHICLE AIR CLEANER

#96
20210138383
2021-05-13

Air purifier with hinged filter frame

#97
20210129063
2021-05-06

Filter for purifying an air stream

#98
20210121815
2021-04-29

Air purifier with hinged filter frame

#99
20210106936
2021-04-15

UNIVERSAL AIR FILTERS

#100
20210086120
2021-03-25

Portable air filtration system

#101
20210069627
2021-03-11

Air purifier with hinged filter frame

#102
20210061555
2021-03-04

GARBAGE BIN WITH FILTER CASE

#103
20210060470
2021-03-04

COMBINED AIR FILTER ELEMENT FILTERING DEVICE

#104
20210008480
2021-01-14

Indoor unit for air-conditioning apparatus

#105
20210001262
2021-01-07

Air purifier with hinged filter frame

#106
20210001261
2021-01-07

Air purifier with hinged filter frame

#107
20210001260
2021-01-07

Air purifier with hinged filter frame

#108
20200398207
2020-12-24

Filter module and air purifier having the same

#109
20200360936
2020-11-19

Electrostatic precipitating apparatus and air conditioning system having same

#110
20200340700
2020-10-29

Air conditioning device and control method thereof

#111
20200298161
2020-09-24

Air purifier and air purifying system

#112
20200269173
2020-08-27

Adjustable filter track for HVAC system

#113
20200269172
2020-08-27

Adjustable filter track for HVAC system

#114
20200269171
2020-08-27

Adjustable filter track for HVAC system

#115
20200254375
2020-08-13

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

#116
20200246729
2020-08-06

3D PRINTED MECHANICAL LOCKS FOR END CAP POTTING

#117
20200245589
2020-08-06

Pet bed platform with air filtration system

#118
20200208852
2020-07-02

In line air filtration and purification apparatus

#119
20200129902
2020-04-30

Filter holding frame

#120
20200094210
2020-03-26

Particle separating catalytic chemical reactor with filter unit

#121
20200083455
2020-03-12

Apparatus for manufacturing organic material and method of manufacturing organic material using the apparatus

#122
20200052267
2020-02-13

Secondary battery

#123
20190381433
2019-12-19

Device that selectively delivers molecular active components and reduces airborne contaminants

#124
20190275455
2019-09-12

Indoor unit for air conditioner

#125
20190247878
2019-08-15

DEVICE FOR SEPARATING OVERSPRAY

#126
20190234307
2019-08-01

Filtration system and method for cleaning the intake air of a gas turbine

#127
20190218970
2019-07-18

Filtration system and method for cleaning the intake air of a gas turbine

#128
20190201827
2019-07-04

Dry filter with enhanced separation output and convenient dimensions

#129
20190170436
2019-06-06

Highly cost effective technology for capture of industrial emissions without reagent for clean energy and clean environment applications

#130
20190154290
2019-05-23

Artificial intelligence air conditioner and control method thereof

#131
20190134547
2019-05-09

Filter module and device for the separation of overspray, and plant having the same

#132
20190035580
2019-01-31

Extinguishing gas filtering device and electric current switchgear comprising such a filtering device

#133
20190001078
2019-01-03

Filter cartridge assemblies

#134
20180356119
2018-12-13

Diffuser patterning

#135
20180348153
2018-12-06

Analysis device

#136
20180345193
2018-12-06

Filter holding frame

#137
20180266319
2018-09-20

LIQUID-GAS SEPARATOR MEDIA

#138
20180221805
2018-08-09

Air purifier with hinged filter frame

#139
20180207572
2018-07-26

Reusable air filter

#140
20180161714
2018-06-14

Graduated filtering assembly

#141
20180154297
2018-06-07

Air purifier with intelligent sensors and airflow

#142
20180135872
2018-05-17

Air filter grid system

#143
20180126597
2018-05-10

EXTRUDER ARRANGEMENT AND A METHOD OF FEEDING FEED MATERIAL INTO AN EXTRUDER

#144
20180117514
2018-05-03

Filter element with pre-separator and filter system

#145
20180093216
2018-04-05

Air purifier

#146
20180050926
2018-02-22

Multi-stage filter assembly

#147
20180028953
2018-02-01

Pre-air-filter for internal combustion engine

#148
20180017284
2018-01-18

Indoor unit for air-conditioning apparatus

#149
20180008926
2018-01-11

Indoor unit for air-conditioning apparatus

#150
20170363318
2017-12-21

Integral filter retaining rack

#151
20170350608
2017-12-07

In line air filtration and purification apparatus

#152
20170341762
2017-11-30

Air purification system and method of assembling

#153
20170319997
2017-11-09

FILTER ELEMENT

#154
20170319881
2017-11-09

Flame-guard filter composed of a number of layer sequences, and arrangements of flame-guard filters and their use

#155
20170259216
2017-09-14

Point of use or point of dispense filter with multiple pleat packs

#156
20170234278
2017-08-17

Dual bellow filter element with communication channels

#157
20170216749
2017-08-03

Filter element, in particular for gas filtration

#158
20170216748
2017-08-03

Filter Element, in Particular for Gas Filtration

#159
20170182588
2017-06-29

Filter device for gas filtration and filter element for a filter device for gas filtration

#160
20170182448
2017-06-29

Plate-type filter element for gas filtration

#161
20170095761
2017-04-06

Filter assembly with cam-lock filter interface

#162
20170095760
2017-04-06

Filter

#163
20170095751
2017-04-06

Vacuum Filter Press with High Volume Filter Chambers and Liquid Injection System

#164
20170056801
2017-03-02

Modular inlet filter for a compressor system

#165
20170028335
2017-02-02

Laminated nonwoven fabric and air purifier

#166
20160282000
2016-09-29

Filter device for air conditioning

#167
20160230715
2016-08-11

Filter element, in particular for gas filtration

#168
20160228804
2016-08-11

Filter device, in particular for gas filtration

#169
20160220934
2016-08-04

Filter element, in particular, for gas filtration

#170
20160175468
2016-06-23

Air filter unit

#171
20160166965
2016-06-16

Fluoropolymer article for bacterial filtration

#172
20160166955
2016-06-16

Auto-draining filter apparatus

#173
20160136560
2016-05-19

Bidirectional airflow filter

#174
20160131033
2016-05-12

Filtration system and method for cleaning the intake air of a gas turbine

#175
20160082379
2016-03-24

Filter element

#176
20160010601
2016-01-14

Air filtration element

#177
20160001209
2016-01-07

Fluid filtering system

#178
20150273378
2015-10-01

Air cleaner

#179
20150258479
2015-09-17

Filtration system

#180
20150224435
2015-08-13

Filter element

#181
20150113924
2015-04-30

Portable air filtration unit

#182
20150059299
2015-03-05

Filter unit

#183
20150047633
2015-02-19

Air filtration device having subsections lacking fluid communication

#184
20150047632
2015-02-19

Air filtration device having tuned air distribution system

#185
20150033687
2015-02-05

Filter structure for removing contaminants from stream of fluid

#186
20140250845
2014-09-11

Filter assembly

#187
20140137523
2014-05-22

Inertial filter

#188
20140007549
2014-01-09

In line air filtration and purification apparatus

#189
20130318936
2013-12-05

Box filter with orientation device

#190
20130152920
2013-06-20

Air filtration device having subsections lacking fluid communication

#191
20130152919
2013-06-20

Air filtration device having tuned air distribution system

#192
20130092798
2013-04-18

Filter systems for air intakes of aircraft engines and related methods

#193
20130074463
2013-03-28

Header frame design for filter element

#194
20130025463
2013-01-31

Air filter

#195
20120272632
2012-11-01

Air intake for a plant

#196
20120216814
2012-08-30

Two-stage air filter and mask incorporating the same

#197
20120174785
2012-07-12

AIR FILTRATION AND PURIFICATION APPARATUS

#198
20120102902
2012-05-03

Filter apparatus with porous ceramic plates

#199
20120079798
2012-04-05

Filter structure for removing contaminants from stream of fluid

#200
20110290116
2011-12-01

Long life pyramidal filter for gas turbine inlet system

#201
20110232242
2011-09-29

Air filter element

#202
20110173936
2011-07-21

Natural gas production filtration vessel and assembly

#203
20110132198
2011-06-09

FILTER ASSEMBLY

#204
20110100221
2011-05-05

Air purifier

#205
20110089038
2011-04-21

Filter element with particle-trapping crevice

#206
20110056383
2011-03-10

FILTER

#207
20110027136
2011-02-03

Particulate filtration device

#208
20110023428
2011-02-03

COMPACT FIBER BED MIST ELIMINATOR

#209
20100304232
2010-12-02

FILTER HOUSING FOR A FUEL CELL

#210
20100281903
2010-11-11

EVAPORATOR AND COOLING DEVICE

#211
20100205949
2010-08-19

Combustion Air and Exhaust Gas Arrangement of an Internal Combustion Engine

#212
20100202934
2010-08-12

EXHAUST GAS PURIFICATION DEVICE FOR AN EXHAUST SYSTEM

#213
20100051530
2010-03-04

Flexible Filter With Continuously Extruded Profile Frame

#214
20100050870
2010-03-04

Fluid filter system and method

#215
20100000188
2010-01-07

Filter cassette rack

#216
20090320426
2009-12-31

Disposable air filter sub-assembly

#217
20090320422
2009-12-31

Air filter with integral inter-filter gap filler

#218
20090293730
2009-12-03

Two-stage air filter and mask incorporating the same

#219
20090249957
2009-10-08

Two Stage Air Filter

#220
20090139200
2009-06-04

Turboengine air intake provided with a controlled filter system

#221
20090113862
2009-05-07

Volume-efficient filter

#222
20090094952
2009-04-16

Filter elements for circulating air systems

#223
20090071327
2009-03-19

Filter System of an Electronic Equipment Enclosure

#224
20080184684
2008-08-07

Multilayered long life filter using convoluted foam

#225
20080148942
2008-06-26

Apparatus for the separation of liquid from a fluid flow loaded with liquid droplets

#226
20080148698
2008-06-26

Foldable filter for an air filtration unit and method

#227
20080105126
2008-05-08

Filter unit and filter unit panel

#228
20080098896
2008-05-01

Dust collecting table

#229
20070251381
2007-11-01

Filter system for electronic equipment enclosure

#230
20070234692
2007-10-11

Exhaust gas filter

#231
20070227362
2007-10-04

Portable linear air cleaning system

#232
20070205142
2007-09-06

Particle separator

#233
20070169447
2007-07-26

Filter cassette rack

#234
20070151216
2007-07-05

Gas filter for oven

#235
20070119131
2007-05-31

CHEMICAL FILTER ARRANGEMENT FOR ASEMICONDUCTOR MANUFACTURING APPARATUS

#236
20070113741
2007-05-24

Detachable filtering apparatus for an air conditioning system and an installment method thereof

#237
20070084167
2007-04-19

Interlocking filtration device

#238
20070045167
2007-03-01

Multi-element filter with multiple pleat channel height

#239
20060260341
2006-11-23

Refrigerator with integrated air cleaner

#240
20060236856
2006-10-26

Disposable filter for a fluid handling device and a method for using the same

#241
20060230934
2006-10-19

Air filtration and purification apparatus

#242
20060162300
2006-07-27

Filtering device

#243
20060123990
2006-06-15

Filter arrangement and methods

#244
20060090431
2006-05-04

Filter assembly with combination filter element

#245
20060037475
2006-02-23

Process and device for eliminating the particles contained in a stream of fluid

#246
20060032494
2006-02-16

Microstructured filter

#247
20060032198
2006-02-16

Filter unit of air conditioner

#248
20060026937
2006-02-09

Filter assembly including foam and pleated media

#249
20060021950
2006-02-02

Integrated dual cross flow filtration and ultrasonic transducer assembly

#250
20060016163
2006-01-26

Multi-stage filtering apparatus

#251
20050284113
2005-12-29

Refrigerator having air-cleaner

#252
20050268581
2005-12-08

Chemical filter arrangement for a semiconductor manufacturing apparatus

#253
20050252845
2005-11-17

Filter device with a segmented design

#254
20050252839
2005-11-17

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

#255
20050235618
2005-10-27

Filter system

#256
20050178268
2005-08-18

Disposable filter for a fluid handling device and a method for using the same

#257
20050178267
2005-08-18

Method and apparatus for the preparation of clean gases

#258
20050172816
2005-08-11

Separable air purifying apparatus

#259
20050160708
2005-07-28

Lint trap

#260
20050108996
2005-05-26

Filter system for an electronic equipment enclosure

#261
20050005768
2005-01-13

Method of preventing air bypass in a filter bank and a filter assembly

#262
18146636
2025-08-26

Computer farm ventilation system

#263
17145676
2023-05-02

Multi-stage filter assembly