Patents-Review.com
ClassID:

29587 ⎘

B01D46/546 - 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 ultra-fine filter sheets or diaphragms using nano- or microfibres

Recent Application in this class:
#1
20260131270
2026-05-14

AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE

 #2
20250281876
2025-09-11

DECONTAMINATING MATERIALS AND METHODS OF MAKING AND USING SAME

 #3
20250262581
2025-08-21

FILTER AND METHOD FOR MANUFACTURING SAME

 #4
20250222383
2025-07-10

TWO-STAGE ELECTROSTATIC AIR FILTER

 #5
20250196159
2025-06-19

AIR FILTER UNIT

 #6
20250067459
2025-02-27

INDOOR AIR CLEANING SYSTEM

 #7
20240416588
2024-12-19

FILTER DEVICE

 #8
20240408531
2024-12-12

NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME

 #9
20240238709
2024-07-18

FILTER

 #10
20240082775
2024-03-14

HIGH DENSITY FILTER ELEMENT

 #11
20230383441
2023-11-30

Electrospinning method for fabricating nanofiber air filter with minimized pressure drop

 #12
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

 #13
20230285887
2023-09-14

NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME

 #14
20230277967
2023-09-07

AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE

 #15
20230218463
2023-07-13

Containment, Treatment, and Removal of Aerosolized Viral Contamination

 #16
20230182060
2023-06-15

COFORM NON-WOVEN HEPA FILTER MEDIA AND METHOD FOR MAKING SAME

 #17
20230108099
2023-04-06

BIODEGRADABLE FILTERS

 #18
20220152533
2022-05-19

FILTER MEDIUM FOR DEACTIVATING PATHOGENS AND/OR ALLERGENS

 #19
20220072458
2022-03-10

Cyclonic vehicular traffic pollution control system

 #20
20220023828
2022-01-27

Electrostatic adsorption mask

 #21
20220023783
2022-01-27

Nanofiber air filter medium with high adsorption performance and preparation method

 #22
20210370009
2021-12-02

HAND-HELD OXYGEN GENERATOR AND AIR PURIFIER

 #23
20210322797
2021-10-21

REUSABLE BREATHING MASK USING DISPOSABLE RECYCLABLE FLEXIBLE MATERIALS

 #24
20210129068
2021-05-06

Pulse cleanable deep pleated industrial filter

 #25
20210106976
2021-04-15

Air-permeable sheet filter material, methods for the production and use thereof

 #26
20210069621
2021-03-11

Titanium oxide-comprising fibrous filter material

 #27
20210060476
2021-03-04

NANOMATERIAL INCLUDING NANOFIBERS AND BEADS FOR HEPA AIR FILTER MEDIA

 #28
20210039033
2021-02-11

HYBRID FILTER FOR FILTERING OUT FINE AND ULTRAFINE DUST

 #29
20200215471
2020-07-09

FILTER MEDIA INCLUDING ORIENTED FIBERS

 #30
20200122068
2020-04-23

Fine fiber media layer

 #31
20200009492
2020-01-09

Fabric material composite construction for use as a filter means

 #32
20190209955
2019-07-11

METHOD FOR PRODUCING A THREEDIMENSIONAL SPONGE BASED ON NANOFIBERS

 #33
20190201831
2019-07-04

Dual density nanofiber media

 #34
20190194847
2019-06-27

Solution-Spun Polyamide Nanofiber Nonwovens

 #35
20190184317
2019-06-20

Air filter material

 #36
20190168143
2019-06-06

FILTER MEDIA WITH A MULTI-LAYER STRUCTURE

 #37
20190160405
2019-05-30

Nanofiber filter media for high performance applications

 #38
20190160404
2019-05-30

Durable nanofiber synthetic filter media

 #39
20190060818
2019-02-28

FILTER INCLUDING NANOFIBER, APPARTUS AND METHOD MANUFACTURING THE SAME

 #40
20190022570
2019-01-24

Nanofibrous filter

 #41
20180347427
2018-12-06

Nanofiber vent device for urea water tank and method for manufacturing same

 #42
20180036669
2018-02-08

FABRIC MATERIAL COMPOSITE CONSTRUCTION FOR USE AS A FILTER MEANS

 #43
20180023215
2018-01-25

Adhering nanofibers to polymeric media using a high temperature singe

 #44
20170361684
2017-12-21

USE OF A FILTER ELEMENT HAVING A FINE POROUS COATING

 #45
20170319993
2017-11-09

Fine fiber media layer

 #46
20170274315
2017-09-28

Air permeable vent filter, and headlight assembly comprising same

 #47
20170151514
2017-06-01

AIR FILTER MATERIAL

 #48
20170007952
2017-01-12

Interlaced Filtration Barrier

 #49
20170007950
2017-01-12

Interlaced filtration barrier

 #50
20160296874
2016-10-13

Nanofiber sheet and method of producing the sheet

 #51
20160243480
2016-08-25

Curved nanofiber products and applications thereof

 #52
20160220927
2016-08-04

Filtration media fiber structure and method of making same

 #53
20160184751
2016-06-30

Filter media with a multi-layer structure

 #54
20150375150
2015-12-31

Filter media including oriented fibers

 #55
20150157971
2015-06-11

Interlaced filtration barrier

 #56
20150114228
2015-04-30

USE OF A FILTER ELEMENT HAVING A FINE POROUS COATING

 #57
20150107207
2015-04-23

Nanofiber coating, method for its production, and filter medium with such a coating

 #58
20150064396
2015-03-05

METHOD FOR SELECTIVELY ANCHORING AND EXPOSING LARGE NUMBERS OF NANOSCALE STRUCTURES

 #59
20140260990
2014-09-18

Filtration media fiber structure and method of making same

 #60
20140196420
2014-07-17

Fine fiber media layer

 #61
20140044756
2014-02-13

Multilayer nanofiber filter

 #62
20140020350
2014-01-23

AIR FILTER MEDIA

 #63
20130139691
2013-06-06

Heat stabilized composite filter media and method of making the filter media

 #64
20130001154
2013-01-03

Fine fiber media layer

 #65
20120312734
2012-12-13

Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse

 #66
20120279186
2012-11-08

Compact filter, method for producing a compact filter, and filter medium

 #67
20120204527
2012-08-16

Fine fiber media layer

 #68
20120079942
2012-04-05

Filtration system and method of design

 #69
20120021164
2012-01-26

Method for selectively anchoring and exposing large numbers of nanoscale structures

 #70
20120012523
2012-01-19

FABRIC MATERIAL COMPOSITE CONSTRUCTION FOR USE AS A FILTER MEANS

 #71
20110259813
2011-10-27

Filter media with a multi-layer structure

 #72
20110138685
2011-06-16

Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse

 #73
20110099959
2011-05-05

Intake filter for an internal combustion engine of a motor vehicle

 #74
20110067369
2011-03-24

Fine fiber media layer

 #75
20100307119
2010-12-09

Multilayer nanofiber filter

 #76
20100296966
2010-11-25

Multi-functional cabin air filter

 #77
20100233048
2010-09-16

COMBINATION FILTER ELEMENT

 #78
20100192531
2010-08-05

FILTER MEDIUM FOR AIR FILTER AND AIR FILTER

 #79
20100178507
2010-07-15

Polyamide Fine Fibers

 #80
20100139224
2010-06-10

FILTER MEDIA WITH NANOWEB LAYER

 #81
20100126128
2010-05-27

RIGID CELL FILTER ASSEMBLY

 #82
20100107578
2010-05-06

Fleece medium, it's manufacturing method and a filter element made of it

 #83
20100064645
2010-03-18

Fine fiber media layer

 #84
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

 #85
20100050866
2010-03-04

NANOWIRE FILTER, METHOD FOR MANUFACTURING THE SAME, METHOD FOR REMOVING MATERIAL ABSORBED THEREON, AND FILTERING APPARATUS HAVING THE SAME

 #86
20090255226
2009-10-15

Thermally stabilized bag house filters and media

 #87
20090199524
2009-08-13

AIR FILTRATION ARRANGEMENTS HAVING FLUTED MEDIA CONSTRUCTIONS AND METHODS

 #88
20090065436
2009-03-12

Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse

 #89
20090044702
2009-02-19

Filter element and method

 #90
20090032475
2009-02-05

Fluoropolymer fine fiber

 #91
20080315465
2008-12-25

METHOD OF MANUFACTURING COMPOSITE FILTER MEDIA

 #92
20080315464
2008-12-25

Method of manufacturing a composite filter media

 #93
20080314010
2008-12-25

Composite filter media

 #94
20080110822
2008-05-15

Fine fiber media layer

 #95
20080010959
2008-01-17

Air filtration arrangements having fluted media constructions and methods

 #96
20070289270
2007-12-20

Filter for purifying gas mixtures and method for its manufacture

 #97
20070283808
2007-12-13

Air filter with fine fiber and spun bonded media

 #98
20070271891
2007-11-29

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

 #99
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

 #100
20070125703
2007-06-07

Method for providing resistance to biofouling in a porous support

 #101
20070125700
2007-06-07

Nanoweb composite material and gelling method for preparing same

 #102
20070012007
2007-01-18

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

 #103
20060196359
2006-09-07

Air filtration arrangements having fluted media constructions and methods

 #104
20060191249
2006-08-31

Electronic enclosure filter containing polymer microfiber element

 #105
20060137318
2006-06-29

Filtration media for filtering particulate material from gas streams

 #106
20060137317
2006-06-29

Filtration media for filtering particulate material from gas streams

 #107
20060117730
2006-06-08

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

 #108
20050210844
2005-09-29

Filter material construction and method

 #109
20050208348
2005-09-22

Air filtration system for fuel cell systems

 #110
20050183405
2005-08-25

Air filtration arrangements having fluted media construction and methods

 #111
17060386
2025-04-29

Automatic sample collector and extractor