ClassID:

29582

B01D46/526 - 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 filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes in stacked arrangement

Recent Application in this class:
#1
20260048356
2026-02-19

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

#2
20250161857
2025-05-22

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

#3
20250135384
2025-05-01

Filter Elements, Air Cleaner Assemblies, and Methods of Use and Assembly

#4
20250121313
2025-04-17

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

#5
20250050260
2025-02-13

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

#6
20250001344
2025-01-02

AIR FILTER HAVING FRAME WITH SENSORS AND STACKABLE DISPOSABLE FILTER ELEMENTS

#7
20240375032
2024-11-14

FILTER ELEMENT, SYSTEMS, AND METHODS

#8
20240359124
2024-10-31

FILTER MEDIA, FILTER MEDIA PACKS, AND FILTER ELEMENTS

#9
20240149203
2024-05-09

Air Filter Arrangement; Assembly; and, Methods

#10
20240100457
2024-03-28

Filter elements, air cleaner assemblies, and methods of use and assembly

#11
20240091696
2024-03-21

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

#12
20240091695
2024-03-21

Air filter arrangement; assembly; and, methods

#13
20240081438
2024-03-14

SANITARY MASK SHEET

#14
20230415082
2023-12-28

Air filter arrangement; assembly; and, methods

#15
20230390685
2023-12-07

Filter element, systems, and methods

#16
20230338883
2023-10-26

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

#17
20230241542
2023-08-03

Filter media, filter media packs, and filter elements

#18
20230078314
2023-03-16

Filtration media pack, filter elements, and air filtration media

#19
20220355235
2022-11-10

FILTER ASSEMBLIES AND ELEMENTS UTILIZING MULTILAYERED AND WRAPPED FILTER MEDIA

#20
20220314156
2022-10-06

Filtration media pack, filter element, and methods

#21
20220314144
2022-10-06

FILTER ELEMENT WITH FLOW DIRECTING PERMEABILITY LAYERS

#22
20220305424
2022-09-29

FILTER ASSEMBLY

#23
20220288522
2022-09-15

FILTER ELEMENTS AND METHODS OF MANUFACTURING FILTER ELEMENTS

#24
20220203283
2022-06-30

Filter elements, air cleaner assemblies, and methods of use and assembly

#25
20220176299
2022-06-09

Air filter arrangement; assembly; and, methods

#26
20220134271
2022-05-05

Particle separator filter with an axially extending flow face

#27
20220118394
2022-04-21

Air filter arrangement; assembly; and, methods

#28
20220054963
2022-02-24

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

#29
20220047984
2022-02-17

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

#30
20210394101
2021-12-23

Air filter arrangement; assembly; and, methods

#31
20210346835
2021-11-11

Tunable nanofiber filter media and filter devices

#32
20210268408
2021-09-02

Pleated filtration media, media packs, filter elements, and methods for filtering fluids

#33
20210205752
2021-07-08

Filter assembly

#34
20210170320
2021-06-10

Filtration media, pleated media pack, filter cartridge, and methods for manufacturing

#35
20210101104
2021-04-08

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

#36
20210077940
2021-03-18

Air filter arrangement; assembly; and, methods

#37
20210077939
2021-03-18

Air filtration media pack, filter element, air filtration media, and methods

#38
20210046415
2021-02-18

Filter element, systems, and methods

#39
20210031133
2021-02-04

Filter element with fluted filter media

#40
20210016214
2021-01-21

FILTER ELEMENT CONFIGURATIONS

#41
20210001255
2021-01-07

Electretized sheet and filter

#42
20200360852
2020-11-19

Fluted filtration media, filtration media packs, and filtration elements

#43
20200360845
2020-11-19

Filtration media packs comprising plurality of bosses between filter media, filter elements, and methods for manufacturing

#44
20200306682
2020-10-01

Particle separator filter with an axially extending flow face

#45
20200289972
2020-09-17

Air filter arrangements; assemblies; and, methods

#46
20200246741
2020-08-06

Air cleaner, components thereof, and methods

#47
20200230541
2020-07-23

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

#48
20200206671
2020-07-02

Air filter arrangement; assembly; and, methods

#49
20200188833
2020-06-18

Filtration media pack, filter elements, and air filtration media

#50
20200179862
2020-06-11

Air filter arrangement; assembly; and, methods

#51
20200171419
2020-06-04

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

#52
20200139290
2020-05-07

Filtration media pack, filter element, and methods

#53
20200114296
2020-04-16

Air filter arrangement; assembly; and, methods

#54
20200114292
2020-04-16

Air filter arrangement; assembly; and, methods

#55
20200108342
2020-04-09

Filter element with tapered perimeter

#56
20200062517
2020-02-27

Filter moving device

#57
20200001221
2020-01-02

Filter elements, air cleaner assemblies, and methods of use and assembly

#58
20190388822
2019-12-26

Filtration media, pleated media pack, filter cartridge, and methods for manufacturing

#59
20190374897
2019-12-12

Filter media, filter media packs, and filter elements

#60
20190184323
2019-06-20

Air filter arrangement; assembly; and, methods

#61
20190111374
2019-04-18

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

#62
20190076775
2019-03-14

Tunable nanofiber filter media and filter devices

#63
20180369736
2018-12-27

Air filter arrangement; assembly; and, methods

#64
20180369735
2018-12-27

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

#65
20180326344
2018-11-15

Air filter arrangement; assembly; and, methods

#66
20180311604
2018-11-01

Air cleaner assembly; components therefor; and, methods

#67
20180308733
2018-10-25

Gas purge filter

#68
20180257017
2018-09-13

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

#69
20180214797
2018-08-02

Pleated filtration media, media packs, filter elements, and methods for filtering fluids

#70
20180200660
2018-07-19

Air filter arrangements; assemblies; and, methods

#71
20180193784
2018-07-12

High temperature filter assembly

#72
20180169555
2018-06-21

Filter with preformed end caps having notch feature

#73
20180161717
2018-06-14

FILTER MEDIA, FILTER MEDIA PACKS, AND FILTER ELEMENTS

#74
20180099242
2018-04-12

Air filter arrangement; assembly; and, methods

#75
20180065069
2018-03-08

Air cleaner, components thereof, and methods

#76
20170361255
2017-12-21

Filter cartridge with seal member and methods

#77
20170333818
2017-11-23

Filtration media packs comprising plurality of bosses between filter media, filter elements, and methods for manufacturing

#78
20170266603
2017-09-21

Filtration media pack, filter elements, and air filtration media

#79
20170246571
2017-08-31

Filter elements, air cleaner assemblies, and methods of use and assembly

#80
20170216758
2017-08-03

Air filtration media pack, filter element, air filtration media, and methods

#81
20170216757
2017-08-03

Filtration media, pleated media pack, filter cartridge, and methods for manufacturing

#82
20170182444
2017-06-29

Filter cartridge with seal member and methods

#83
20170182443
2017-06-29

Air filter arrangement; assembly; and, methods

#84
20170072349
2017-03-16

Tunable nanofiber filter media and filter devices

#85
20170028341
2017-02-02

Filtration media pack, filter element, and methods

#86
20170028340
2017-02-02

Air filter arrangement; assembly; and methods

#87
20160303499
2016-10-20

Corrugated filtration media for polarizing air cleaner

#88
20160250649
2016-09-01

Filter

#89
20160199770
2016-07-14

Air filter arrangements; assemblies; and, methods

#90
20160184757
2016-06-30

Air filter arrangement; assembly; and, methods

#91
20160136561
2016-05-19

Air filter arrangement; air cleaner assembly; and, methods

#92
20160010601
2016-01-14

Air filtration element

#93
20160001209
2016-01-07

Fluid filtering system

#94
20150375142
2015-12-31

Pleated filtration media, media packs, filter elements, and methods for filtering fluids

#95
20150367273
2015-12-24

Air filter arrangement; assembly; and, methods

#96
20150306530
2015-10-29

Air filter arrangement; assembly; and, methods

#97
20150211452
2015-07-30

Filtration media pack, filter elements, and air filtration media

#98
20150196864
2015-07-16

Air filter arrangement; assembly; and, methods

#99
20150113926
2015-04-30

AIR CLEANER, COMPONENTS THEREOF, AND METHODS

#100
20150101294
2015-04-16

Air filter arrangement; assembly; and, methods

#101
20150068175
2015-03-12

Air filter arrangement; air cleaner assembly; and, methods

#102
20150027093
2015-01-29

Air cleaner assembly; components therefor; and, methods

#103
20150013542
2015-01-15

Air filter element and air filter

#104
20150007535
2015-01-08

Air filter element and air filter

#105
20150007534
2015-01-08

Filter assembly; components therefor; and, methods

#106
20140325946
2014-11-06

Air filtration media pack, filter element, air filtration media, and methods

#107
20140311108
2014-10-23

Air filter arrangement

#108
20140290194
2014-10-02

Filter device, especially an air filter

#109
20140284886
2014-09-25

Filter cartridge with seal member and methods

#110
20140260139
2014-09-18

Rectangular stacked fluted filter cartridge

#111
20140260137
2014-09-18

Air filtration media, media constructions and methods

#112
20140237959
2014-08-28

Air filter arrangements; assemblies; and, methods

#113
20140208705
2014-07-31

Mutli-Pass Fluted Filter

#114
20140182251
2014-07-03

Filtration media pack, filter element, and methods

#115
20140102059
2014-04-17

Air filter arrangement; assembly; and, methods

#116
20140096496
2014-04-10

Filter cartridge, dust collectors, and methods

#117
20140026527
2014-01-30

Air filter arrangement; assembly; and, methods

#118
20130239530
2013-09-19

Air filter arrangement; assembly; and, methods

#119
20130228077
2013-09-05

Air filtration media pack, filter element, air filtration media, and methods

#120
20130219844
2013-08-29

Method of adhering a pleated filtration media and filter and media filter stack using same

#121
20130086878
2013-04-11

Filter assembly; components therefor; and, methods

#122
20130036718
2013-02-14

Air filter arrangement; assembly; and, methods

#123
20120196733
2012-08-02

Method and apparatus for forming fluted filtration media having tapered flutes

#124
20120124947
2012-05-24

Air cleaner, components thereof, and methods

#125
20120110962
2012-05-10

Air cleaner, components thereof, and methods

#126
20120102902
2012-05-03

Filter apparatus with porous ceramic plates

#127
20120060451
2012-03-15

Air cleaner arrangement; assembly; and, methods

#128
20120023877
2012-02-02

Air filter arrangement; assembly; and, methods

#129
20110277431
2011-11-17

Air filtration media pack, filter element, air filtration media, and methods

#130
20110173956
2011-07-21

PARTICLE TRAP FOR AN EXHAUST GAS RECIRCULATION LINE AND AUTOMOBILE HAVING A PARTICLE TRAP

#131
20110173937
2011-07-21

Air cleaner assembly; components therefor; and, methods

#132
20110113736
2011-05-19

Filter assembly; components therefor; and, methods

#133
20110083559
2011-04-14

Filter cartridge with seal member and methods

#134
20110083408
2011-04-14

Filter cartridge, dust collectors, and methods

#135
20110038771
2011-02-17

Particulate Air Filter With Ozone Catalyst and Methods of Manufacture and Use

#136
20110027136
2011-02-03

Particulate filtration device

#137
20110016838
2011-01-27

High performance gas turbine inlet filter (HEPA) using membrane media

#138
20100313533
2010-12-16

Filtering device, in particular an air filter for an internal combustion engine

#139
20100170209
2010-07-08

Air filter arrangement; assembly; and, methods

#140
20100146919
2010-06-17

Air filter arrangement; air cleaner assembly; and methods

#141
20100078379
2010-04-01

Pleated filtration media, media packs, filter elements, and methods for filtering fluids

#142
20100043366
2010-02-25

Air filter arrangement; assembly and methods

#143
20090223187
2009-09-10

Air filter arrangement; assembly; and, methods

#144
20090151311
2009-06-18

Air filter cartridge and air cleaner assembly

#145
20090127211
2009-05-21

Filtration media pack, filter element, and methods

#146
20090064860
2009-03-12

Z-filter media with reverse-flow cleaning systems and methods

#147
20090064646
2009-03-12

Air filter arrangement; assembly; and methods

#148
20080307759
2008-12-18

Air filter arrangement

#149
20080282890
2008-11-20

Air filtration media pack, filter element, air filtration media, and methods

#150
20080276582
2008-11-13

Air filter arrangement; assembly; and, methods

#151
20070261374
2007-11-15

Air filter arrangement; assembly; and, methods

#152
20060272305
2006-12-07

Channel filter

#153
20060112667
2006-06-01

Z-filter media with reverse-flow cleaning systems and methods

#154
20050217488
2005-10-06

Adsorption filter and manufacturing method thereof