Patents-Review.com
ClassID:

29580 ⎘

B01D46/523 - 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 with means for maintaining spacing between the pleats or folds

Recent Application in this class:
#1
20260151722
2026-06-04

PLEAT PACK BLANK

 #2
20260131273
2026-05-14

FILTER ASSEMBLY

 #3
20260097346
2026-04-09

REUSABLE MODULAR MULTI-PANEL AIR FILTER

 #4
20260042045
2026-02-12

FILTER MODULE, A USE OF A GASKET IN A FILTER, AND A METHOD OF MANUFACTURING A GASKET FOR A FILTER MODULE

 #5
20260014507
2026-01-15

Filtering Device

 #6
20260007994
2026-01-08

Filter and Filter Assembly for Paint Overspray Capture

 #7
20250242287
2025-07-31

CHEMICAL FILTER AND METHOD OF MANUFACTURING THE SAME

 #8
20250186928
2025-06-12

EXPANDABLE PLEATED AIR FILTERS

 #9
20250186921
2025-06-12

AIR FILTER

 #10
20250034769
2025-01-30

METHOD FOR MANUFACTURING FILTER EDGE BAND NON-WOVEN FABRIC

 #11
20250001339
2025-01-02

AIR FILTER MEDIUM, AIR FILTER PACK, AND AIR FILTER UNIT

 #12
20240408531
2024-12-12

NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME

 #13
20240399278
2024-12-05

FILTER ELEMENT, AIR CLEANER ASSEMBLY, AND METHODS

 #14
20240367086
2024-11-07

LOAD REDISTRIBUTION PACKAGING STRUCTURE

 #15
20240350960
2024-10-24

Filter and Filter Assembly for Paint Overspray Capture

 #16
20240252972
2024-08-01

FILTER ELEMENT AND FILTER SYSTEM

 #17
20240252971
2024-08-01

ANNULAR UNFRAMED PLEATED AIR FILTER

 #18
20240246092
2024-07-25

Filter and manufacturing method thereof

 #19
20240216846
2024-07-04

Reinforced air filter

 #20
20240181378
2024-06-06

FILTER PACK AND AIR FILTER PROVIDED WITH SAME

 #21
20240139666
2024-05-02

Filter element having inner support and methods

 #22
20240100463
2024-03-28

FOLDED FILTER MEDIUM

 #23
20240066455
2024-02-29

FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS

 #24
20240066453
2024-02-29

REUSABLE FILTER SYSTEMS AND FRAMES, METHODS OF ASSEMBLING AND TRANSPORTING THE SAME, AND USES THEREOF

 #25
20240001279
2024-01-04

END CAPS AND PLEAT GUIDES FOR FILTRATION

 #26
20230392825
2023-12-07

AIR INTAKE FILTER ASSEMBLIES WITH A MULTI-LEVEL FINE FILTER FOR HEATING, VENTILATION, AND/OR AIR CONDITIONING (HVAC) SYSTEMS

 #27
20230390688
2023-12-07

WASHABLE FINE DUST FILTER MODULE USING NANO FIBER

 #28
20230372854
2023-11-23

Conformable pleated air filter with bridging filaments

 #29
20230364546
2023-11-16

FILTER ELEMENT WITH IMPROVED DUST LOADING

 #30
20230356134
2023-11-09

Filter and filter assembly for paint overspray capture

 #31
20230330579
2023-10-19

Compact Room Air Purifier With Integrated Gaskets

 #32
20230324059
2023-10-12

FILTER MEDIA DESIGN USING SPACERS AND MEDIA IN PREDETERMINED ARRANGEMENTS

 #33
20230249117
2023-08-10

FILTER PACK AND AIR FILTER PROVIDED WITH SAME

 #34
20230241541
2023-08-03

ZIGZAG-FOLDED NONWOVEN MATERIAL

 #35
20230233971
2023-07-27

AIR FILTER AND AIR PURIFIER COMPRISING SAME

 #36
20230233961
2023-07-27

Periodic radial symmetry for filter pleating

 #37
20230211273
2023-07-06

Filter System and Filter Element

 #38
20230182059
2023-06-15

Filter Element and Method for Producing a Filter Element

 #39
20230054568
2023-02-23

Filtering Device

 #40
20220401871
2022-12-22

AIR FILTER

 #41
20220378262
2022-12-01

Vacuum-cleaner filter bag for a hand-held vacuum cleaner

 #42
20220355234
2022-11-10

Pleated filter media assembly

 #43
20220339574
2022-10-27

Interrupted, directional emboss of flat sheet

 #44
20220331730
2022-10-20

AIR PURIFYING FILTER, APPARATUS INCLUDING THE SAME, AND METHODS OF MAKING AND USING THE SAME

 #45
20220288525
2022-09-15

Filter element and method for manufacturing a filter element

 #46
20220219025
2022-07-14

Flexible filter element having an end outlet

 #47
20220203379
2022-06-30

Filter and manufacturing method thereof

 #48
20220126233
2022-04-28

Channel-framed, pleated air filter with bridging filaments

 #49
20220126228
2022-04-28

Filter element, air cleaner assembly, and methods

 #50
20220118393
2022-04-21

Filter element having inner support and methods

 #51
20220105458
2022-04-07

FOLDABLE FILTER

 #52
20220088528
2022-03-24

Filter element and filter system

 #53
20220054969
2022-02-24

AIR FILTER MEDIUM, FILTER PACK, AIR FILTER UNIT, AND METHODS FOR PRODUCING THEM

 #54
20220054968
2022-02-24

Uniformly expandable air filter

 #55
20220023786
2022-01-27

Filter box, and method of insulating a filter box

 #56
20210402332
2021-12-30

Filter assembly

 #57
20210387128
2021-12-16

Filter pack and air filter

 #58
20210310693
2021-10-07

Air conditioner

 #59
20210291098
2021-09-23

Filter structure body and filter module for separating impurities from a raw fluid stream

 #60
20210268408
2021-09-02

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

 #61
20210252445
2021-08-19

AIR FILTER UNIT AND AIR CONDITIONER

 #62
20210229023
2021-07-29

Pleated air filter with reinforcing filaments comprising locally-thinned bending zones

 #63
20210229022
2021-07-29

Pleated air filter with bridging filaments and continuous-contact filaments

 #64
20210229021
2021-07-29

Pleated channel flow filter and/or roll form method

 #65
20210229020
2021-07-29

Support members for filter pleated media

 #66
20210213380
2021-07-15

Filter element for filtering a device

 #67
20210170320
2021-06-10

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

 #68
20210162333
2021-06-03

Filtration media with extended surface area

 #69
20210146292
2021-05-20

Filter and filter assembly for paint overspray capture

 #70
20210129068
2021-05-06

Pulse cleanable deep pleated industrial filter

 #71
20210069628
2021-03-11

Pleated filter designs and components therefor for elevated temperature application

 #72
20210046413
2021-02-18

HIGH PERFORMANCE DENSITY ELEMENT WITH ANGLE BETWEEN INLET FLOW AND OUTLET FLOW

 #73
20210031133
2021-02-04

Filter element with fluted filter media

 #74
20210016214
2021-01-21

FILTER ELEMENT CONFIGURATIONS

 #75
20200398194
2020-12-24

Periodic radial symmetry for filter pleating

 #76
20200368663
2020-11-26

Filter element having inner support and methods

 #77
20200363097
2020-11-19

Air conditioner

 #78
20200353397
2020-11-12

Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinations

 #79
20200330915
2020-10-22

Filter cartridge arrangements and assemblies; preferred features; methods of assembly and use

 #80
20200324241
2020-10-15

Filter with high dust capacity

 #81
20200256585
2020-08-13

Air intake filter assemblies with a multi-level fine filter for heating, ventilation, and/or air conditioning (HVAC) systems

 #82
20200217556
2020-07-09

Air conditioner

 #83
20200129911
2020-04-30

FILTER WITH SEPARATOR PLATES WITH SPECIAL FOLDING

 #84
20200129907
2020-04-30

Air filter media with post-pleat-deposited sorbent particles

 #85
20200129904
2020-04-30

Support and drainage material, filter, and method of use

 #86
20200129890
2020-04-30

Support and drainage material, filter, and method of use

 #87
20200122068
2020-04-23

Fine fiber media layer

 #88
20200108341
2020-04-09

Particle filter as well as method for the manufacture thereof

 #89
20200078718
2020-03-12

AIR FILTER MEDIA MANUFACTURING PROCESS AND TOOLING FOR SAME

 #90
20200031204
2020-01-30

Road vehicle having an ambient air purification device, ambient air purification device and filter element

 #91
20200030733
2020-01-30

Filter with perforated separator plates

 #92
20190388822
2019-12-26

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

 #93
20190358572
2019-11-28

FILTER ELEMENT, AIR CLEANER, AND METHODS

 #94
20190336903
2019-11-07

Air-filtering medium, air filter pack, and air filter unit

 #95
20190336899
2019-11-07

Environmental air cleaning device, road vehicle having environmental air cleaning device, and filter element

 #96
20190329170
2019-10-31

Interrupted, directional emboss of flat sheet

 #97
20190275457
2019-09-12

Vehicle provided, at the intake, with an air filter provided with a heating device

 #98
20190262759
2019-08-29

Nestable framed pleated air filter and method of making

 #99
20190262758
2019-08-29

Filter And Method For Producing A Filter

 #100
20190217239
2019-07-18

Channel-framed, pleated air filter with bridging filaments

 #101
20190160399
2019-05-30

Pleated filter element having an additional structure

 #102
20190134546
2019-05-09

Round filter element, in particular for gas filtration

 #103
20190060815
2019-02-28

Filter cartridge arrangements and assemblies; preferred features; methods of assembly and use

 #104
20190054410
2019-02-21

Filter element

 #105
20190054408
2019-02-21

Fragrance filter assembly

 #106
20190046909
2019-02-14

Panel filter with molded frame and integral seal

 #107
20180361295
2018-12-20

Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using

 #108
20180345199
2018-12-06

Filter cylinder having dust cleaning device of dust collector

 #109
20180318747
2018-11-08

Support members for filter pleated media

 #110
20180236393
2018-08-23

Reinforced filtration apparatus

 #111
20180214807
2018-08-02

Filter cartridges; features and methods of assembly; filter assemblies; and, filter cartridge combinations

 #112
20180214797
2018-08-02

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

 #113
20180207566
2018-07-26

Filter packs, processes for making filter packs, and air filters comprising filter packs

 #114
20180200659
2018-07-19

FILTER DEVICE AND BATTERY COOLING APPARATUS

 #115
20180193784
2018-07-12

High temperature filter assembly

 #116
20180178156
2018-06-28

Filter element of a filter for filtering fluids, and a method of manufacturing the filter element

 #117
20180154299
2018-06-07

High-temperature Filter

 #118
20180117508
2018-05-03

Filter including RFID tag

 #119
20180111079
2018-04-26

Air Filter with Outlet Receiver and Housing Assembly Incorporating Same

 #120
20180056226
2018-03-01

Filtration media, filter packs, and filter elements with protrusions

 #121
20180043191
2018-02-15

Flexible filter element having an end outlet

 #122
20180021716
2018-01-25

CONFORMABLE PLEATED AIR FILTER WITH BRIDGING FILAMENTS

 #123
20180015405
2018-01-18

Waved filter media and elements

 #124
20170328315
2017-11-16

AIR FILTER FOR AN ENGINE

 #125
20170320000
2017-11-09

COLLAPSIBLE EXTENDED SURFACE FILTER AND AIR CLEANER SYSTEM USING COLLAPSIBLE EXTENDED SURFACE FILTER

 #126
20170319993
2017-11-09

Fine fiber media layer

 #127
20170312678
2017-11-02

Air filter arrangement

 #128
20170284697
2017-10-05

Air conditioner

 #129
20170276100
2017-09-28

Air filter element

 #130
20170259201
2017-09-14

Filter medium having large fold spacing

 #131
20170252691
2017-09-07

Filter element having inner support and methods

 #132
20170225113
2017-08-10

Filter element of a filter for filtering fluids, and filter

 #133
20170216757
2017-08-03

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

 #134
20170216756
2017-08-03

Uniformly expandable air filter

 #135
20170151527
2017-06-01

AIR PURIFIER

 #136
20170120177
2017-05-04

Particle filter as well as method for the manufacture thereof

 #137
20170106323
2017-04-20

Filter media construction

 #138
20170001138
2017-01-05

Filter element with filter bellows

 #139
20160263515
2016-09-15

Collapsible air filter

 #140
20160263513
2016-09-15

Filter element having filter bellows

 #141
20160243481
2016-08-25

Embossed fluid filter treatment

 #142
20160236133
2016-08-18

Apparatus and method for producing a bellows

 #143
20160236132
2016-08-18

Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter

 #144
20160220940
2016-08-04

Air filter

 #145
20160214053
2016-07-28

Filter with bidirectional pleated media

 #146
20160201619
2016-07-14

Filter element

 #147
20160177891
2016-06-23

Filter element, air cleaner, and methods

 #148
20160144312
2016-05-26

Nestable framed pleated air filter and method of making

 #149
20160144311
2016-05-26

Air cleaner

 #150
20160121698
2016-05-05

Assembly with a filter element

 #151
20160067647
2016-03-10

Filter with high dust capacity

 #152
20160030876
2016-02-04

Air filter unit

 #153
20150375156
2015-12-31

METHOD OF ADHERING A PLEATED FILTRATION MEDIA AND FILTER AND MEDIA FILTER STACK USING SAME

 #154
20150375143
2015-12-31

Helically wrapped filter

 #155
20150375142
2015-12-31

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

 #156
20150367271
2015-12-24

Filter media cartridge

 #157
20150298039
2015-10-22

Filter cartridge; features and methods of assembly; filter assemblies; and, filter cartridge combinations

 #158
20150273383
2015-10-01

Strip, filter with the strip, method and apparatus for producing the strip

 #159
20150258480
2015-09-17

Antimicrobial air filter

 #160
20150251122
2015-09-10

Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinations

 #161
20150251111
2015-09-10

Self-supporting folded sheet material, filter elements, and methods

 #162
20150157970
2015-06-11

Method of manufacturing a filter element and filter element

 #163
20150121823
2015-05-07

Waved filter media and elements

 #164
20150113929
2015-04-30

Apparatus and method for regulating filter media pack pleat spacing

 #165
20150047508
2015-02-19

Framed pleated air filter with upstream bridging filaments

 #166
20150013542
2015-01-15

Air filter element and air filter

 #167
20150013287
2015-01-15

Filter frame

 #168
20150007732
2015-01-08

Air Filter Element and Air Filter

 #169
20150007535
2015-01-08

Air filter element and air filter

 #170
20140331627
2014-11-13

Filter element and method for producing a filter element

 #171
20140290194
2014-10-02

Filter device, especially an air filter

 #172
20140260138
2014-09-18

Radial pleat design and collapsible filter element

 #173
20140237967
2014-08-28

Collapsible extended surface filter and air cleaner system using collapsible extended surface filter

 #174
20140230388
2014-08-21

Filter element

 #175
20140223874
2014-08-14

Air filter element

 #176
20140223872
2014-08-14

Filter medium for air filter and filter unit

 #177
20140202123
2014-07-24

Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter element

 #178
20140196420
2014-07-17

Fine fiber media layer

 #179
20140174046
2014-06-26

Filter element

 #180
20140157742
2014-06-12

Waved filter media and elements

 #181
20140144112
2014-05-29

Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinations

 #182
20130219844
2013-08-29

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

 #183
20130174741
2013-07-11

Microbicidal filter and filtration cartridge incorporating such a filter

 #184
20130133517
2013-05-30

Filter element and process for producing a filter element

 #185
20130061566
2013-03-14

Vacuum cleaner filter bag

 #186
20130055900
2013-03-07

Vacuum cleaner filter bag

 #187
20130047563
2013-02-28

Vacuum cleaner filter bag

 #188
20130042589
2013-02-21

FILTER INCLUDING A HOT MELT COATED CONTINUOUS SUBSTRATE

 #189
20130025245
2013-01-31

Waved filter media and elements

 #190
20130008845
2013-01-10

Fluid filter

 #191
20130001154
2013-01-03

Fine fiber media layer

 #192
20120312172
2012-12-13

Filter element and air filter

 #193
20120304602
2012-12-06

WAVED FILTER MEDIA AND ELEMENTS

 #194
20120261331
2012-10-18

Embossed fluid filter element

 #195
20120227367
2012-09-13

Filter element with pleat support combs

 #196
20120223009
2012-09-06

Filter for filtering fluids and method for producing the same

 #197
20120223008
2012-09-06

Filter for filtering fluids

 #198
20120213926
2012-08-23

METHOD FOR PRODUCING A FILTER ELEMENT HAVING A FILTER MEDIUM

 #199
20120205323
2012-08-16

Separatorless pleated fluid filter

 #200
20120204527
2012-08-16

Fine fiber media layer

 #201
20120192532
2012-08-02

Filter device, especially air filter for an internal combustion engine

 #202
20120180664
2012-07-19

Gas filter assemblies and methods for filtering gases

 #203
20120180444
2012-07-19

Filters and methods for imparting structural support to pleated filter media

 #204
20120167535
2012-07-05

Self supported pleated panel filter with frayed media edges

 #205
20120117931
2012-05-17

Collapsible extended surface filter and air cleaner system using collapsible extended surface filter

 #206
20120085696
2012-04-12

FILTER ELEMENT AND METHOD FOR ITS PRODUCTION

 #207
20120037561
2012-02-16

Pleated filter medium

 #208
20110314782
2011-12-29

Pleated air filter pack and air filter using same

 #209
20110265436
2011-11-03

Three-dimensional filter

 #210
20110252757
2011-10-20

HELICAL STRAPPING METHOD FOR HIGH TEMP PLEATED FILTERS

 #211
20110197557
2011-08-18

Filter unit

 #212
20110162337
2011-07-07

Waved filter media and elements

 #213
20110138760
2011-06-16

Self-supporting pleated filter media

 #214
20110067369
2011-03-24

Fine fiber media layer

 #215
20110038771
2011-02-17

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

 #216
20110000458
2011-01-06

Filter device, especially air filter for an internal combustion engine

 #217
20100326028
2010-12-30

Pleated filter with tridirectional scrim

 #218
20100313533
2010-12-16

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

 #219
20100300052
2010-12-02

Air filter with improved structural support

 #220
20100236204
2010-09-23

Filter element with pleat support combs

 #221
20100229515
2010-09-16

Peaky filter

 #222
20100178507
2010-07-15

Polyamide Fine Fibers

 #223
20100132153
2010-06-03

CLEANABLE FILTER SYSTEM

 #224
20100126130
2010-05-27

Filter element with high temperature polymer retaining straps and method of manufacture

 #225
20100107881
2010-05-06

Waved filter media and elements

 #226
20100107576
2010-05-06

Comb for inlet barrier filter system

 #227
20100078379
2010-04-01

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

 #228
20100064645
2010-03-18

Fine fiber media layer

 #229
20090249755
2009-10-08

Air filter

 #230
20090217820
2009-09-03

Cleanable dust filter comprising a zigzag pleated filter pack

 #231
20090200228
2009-08-13

Method for the stabilization of folded filter media and a filter medium stabilized by said method

 #232
20090078116
2009-03-26

Adaptable dual-directional, differential pressure assembly

 #233
20080308488
2008-12-18

Filter Apparatus and Filter Body

 #234
20080272048
2008-11-06

Filter cartridge media retention system

 #235
20080209873
2008-09-04

Dust filter device

 #236
20080202078
2008-08-28

Waved filter media and elements

 #237
20080110822
2008-05-15

Fine fiber media layer

 #238
20080072553
2008-03-27

METHOD AND APPARATUS FOR ASSEMBLING A FILTER CARTRIDGE

 #239
20080060987
2008-03-13

Filter and manufacturing method therefor

 #240
20080057263
2008-03-06

Fibrous pad structure having a variable density

 #241
20080047430
2008-02-28

Filter element, method of manufacture and use

 #242
20080017570
2008-01-24

Crest Supported Filter Frame Assembly and Method

 #243
20080006575
2008-01-10

Filter Casette Consisting a Housing Surrounding a Folded Carpet with Spacers Between Parallel Opposite Filter Carpet Parts

 #244
20070277488
2007-12-06

Filter element for cleaning a fluid

 #245
20070271891
2007-11-29

Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

 #246
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

 #247
20070251634
2007-11-01

Method of Forming Spaced Pleated Filter Material and Product of Same

 #248
20070182062
2007-08-09

Filter unit

 #249
20070180803
2007-08-09

Self-supporting pleated filter

 #250
20070151214
2007-07-05

Engine air filter and sealing system

 #251
20070012007
2007-01-18

Polymer, polymer microfiber, polymer nanofiber and applications including filter structures

 #252
20070006560
2007-01-11

Filter element

 #253
20060283162
2006-12-21

Fabricating a self-supporting filter element

 #254
20060277879
2006-12-14

Extended surface pleat air filter

 #255
20060053759
2006-03-16

Forced air system air filter

 #256
20060021307
2006-02-02

Particulate trap filter element

 #257
20060005518
2006-01-12

Method of forming self-supporting pleated filter media

 #258
20060005517
2006-01-12

Self-supporting pleated filter media

 #259
20050229558
2005-10-20

Engine air filter and sealing system

 #260
20050211619
2005-09-29

Filter element with foam girdle to secure pleats and method of forming same

 #261
20050210844
2005-09-29

Filter material construction and method

 #262
20050204714
2005-09-22

Self-supporting pleated filter and method of making same

 #263
20050172812
2005-08-11

Wrought fiber sheet and filter unit

 #264
20050150201
2005-07-14

Crest supported filter frame assembly and method

 #265
20050139544
2005-06-30

Method of forming spaced pleated filter material and product of same

 #266
20050138906
2005-06-30

Self-spacing pleated filter insert

 #267
20050072131
2005-04-07

Pleated filter media with embossed spacers and cross flow

 #268
20050045553
2005-03-03

Filter having staged pleating

 #269
20050039427
2005-02-24

Filter assembly with compressed media edge seal

 #270
20050022490
2005-02-03

Vehicle air cleaner

 #271
18131514
2024-09-03

Air filter with different diameter glue beads

 #272
18091109
2023-05-02

Reinforced air filter

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2020-05-05

Support and drainage material, filter, and method of use

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Structural support for air filter