ClassID:

29407

B01D39/2065 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids; Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires; Carbonaceous material the material being fibrous

Recent Application in this class:
#1
20260027499
2026-01-29

FILTRATION DEVICES AND METHODS THEREOF

#2
20250325154
2025-10-23

UNIVERSAL BUBBLE FACIAL CLEANING INSTRUMENT WITH PURIFICATION APPARATUS

#3
20250321506
2025-10-16

EUV LITHOGRAPHY APPARATUS AND OPERATING METHOD FOR MITIGATING CONTAMINATION

#4
20250186909
2025-06-12

Filter Layer Structure, Filter Assembly, and Method of Forming a Filter Layer Structure

#5
20240262714
2024-08-08

Water Filter and Purifier

#6
20240123384
2024-04-18

CARBON NANOTUBES-BASED FILTRATION MEDIA

#7
20240050923
2024-02-15

METHOD OF PRODUCTION OF ADSORPTION/FILTRATION NANOMATERIAL FOR HIGH-VOLUME CLEANING OF LIQUIDS AND COMPOSITE ADSORPTION/FILTRATION NANOMATERIAL

#8
20230324814
2023-10-12

EUV LITHOGRAPHY APPARATUS AND OPERATING METHOD FOR MITIGATING CONTAMINATION

#9
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#10
20230211190
2023-07-06

ANTI-PROPYLENE MASK AND METHOD FOR PREPARATION THEREOF

#11
20230137540
2023-05-04

FILTER

#12
20230027945
2023-01-26

FILTRATION DEVICES AND METHODS THEREOF

#13
20220080342
2022-03-17

FILTER MATERIAL USED FOR AUTOMOBILE AIR CONDITIONING AND CAPABLE OF FILTERING OUT VOLATILE ORGANIC COMPOUND (VOC) GAS, AND PROCESS THEREOF

#14
20220040615
2022-02-10

FACE MASK

#15
20220023783
2022-01-27

Nanofiber air filter medium with high adsorption performance and preparation method

#16
20220009797
2022-01-13

Water purification cartridge

#17
20210379420
2021-12-09

Filtering face mask and respirator

#18
20210346831
2021-11-11

ANTIVIRAL GRAPHENE OXIDE AIR FILTRATION DEVICE AND ASSOCIATED METHODS

#19
20210346827
2021-11-11

ACTIVE AIR FILTER FOR TREATMENT OF BACTERIA AND VIRUSES

#20
20210093989
2021-04-01

Stable filter media including nanofibers

#21
20200123332
2020-04-23

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#22
20190099700
2019-04-04

Fluid purification device

#23
20190009202
2019-01-10

Multifunctional filter medium, and method and apparatus for manufacturing same

#24
20190009201
2019-01-10

Silicon carbide filter membrane and methods of use

#25
20180345204
2018-12-06

Functional fiber for adsorbing heavy metal and method for producing same

#26
20180345191
2018-12-06

Spinning nozzle member for manufacturing cylindrical cartridge carbon filter, cylindrical cartridge carbon filter manufacturing apparatus including spinning nozzle member for manufacturing cylindrical cartridge carbon filter, and cylindrical cartridge carbon filter manufactured by using spinning nozzle member for manufacturing cylindrical cartridge carbon filter

#27
20180317543
2018-11-08

Waterless vacuum based smoking apparatus

#28
20180311600
2018-11-01

ACTIVATED CARBON FIBER FILTER MEDIA LAMINATE

#29
20180057646
2018-03-01

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#30
20170368382
2017-12-28

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#31
20170333819
2017-11-23

FILTER CANDLE WITH MINERAL ADDITIVE

#32
20170131257
2017-05-11

SYSTEMS AND METHODS OF REMOVING AND MANAGING HEAVY METALS

#33
20160376162
2016-12-29

Filter assembly for filter as you pour filtration

#34
20160303498
2016-10-20

Stable filter media including nanofibers

#35
20160076494
2016-03-17

Motorcycle

#36
20160074789
2016-03-17

FILTRATION MEDIA, MEDIA PACK ASSEMBLIES, AND METHODS

#37
20160016105
2016-01-21

Air purifier

#38
20150147246
2015-05-28

Filtration medium and process for filtering a fluid stream

#39
20150140333
2015-05-21

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#40
20150017863
2015-01-15

PROCESS OF MAKING A CARBON FIBER NONWOVEN FABRIC

#41
20140190353
2014-07-10

Filter media with improved conductivity

#42
20140120322
2014-05-01

Non-woven electret fibrous webs and methods of making same

#43
20140044756
2014-02-13

Multilayer nanofiber filter

#44
20130008006
2013-01-10

Formed filter element

#45
20120214375
2012-08-23

Process of making a carbon fiber nonwoven fabric

#46
20120201938
2012-08-09

Systems and methods of removing and managing heavy metals

#47
20120175298
2012-07-12

HIGH EFFICIENCY FILTER

#48
20120024769
2012-02-02

METHOD FOR COLLECTING MATTER WITH A MATTER COLLECTION UNIT

#49
20120017763
2012-01-26

Filtration media and applications thereof

#50
20110265312
2011-11-03

Filter media with improved conductivity

#51
20110180478
2011-07-28

FILTRATION SYSTEMS AND METHODS RELATED THERETO USING CARBON NANOTUBE-INFUSED FIBER MATERIALS OF SPOOLABLE LENGTH AS A MOVING FILTRATION MEDIUM

#52
20110155661
2011-06-30

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#53
20110113538
2011-05-19

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#54
20110073551
2011-03-31

FILTER MODULES FOR IMPROVED MEDIA UTILIZATION AND USE IN GENERALLY CYLINDRICAL HOUSING

#55
20110039690
2011-02-17

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#56
20110005394
2011-01-13

MEDIA FOR REMOVAL OF ORGANIC COMPOUNDS

#57
20100326907
2010-12-30

Method and device for removing contaminates from fluid-material

#58
20100307119
2010-12-09

Multilayer nanofiber filter

#59
20100219131
2010-09-02

Water purification apparatus and system

#60
20100173070
2010-07-08

Porous Substrates, Articles, Systems and Compositions Comprising Nanofibers and Methods of Their Use and Production

#61
20100162895
2010-07-01

Adsorption filter material with integrated particle- and/or aerosolfiltering function and its use

#62
20100122515
2010-05-20

POISON-FILTER MATERIAL AND PRODUCTION METHOD THEREOF

#63
20100095843
2010-04-22

Air pollution control filter elements for filtration systems

#64
20100024695
2010-02-04

Fabrics

#65
20100024643
2010-02-04

COATING PROCESS AND COATED PRODUCT

#66
20090308800
2009-12-17

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#67
20090301308
2009-12-10

Filter Arrangement for Fuel Cell

#68
20090230061
2009-09-17

Methods for treating water

#69
20090218292
2009-09-03

Methods of treating water

#70
20090218291
2009-09-03

Methods for treating water

#71
20090194423
2009-08-06

Method of making a filter material including activated carbon particles having carbon nanofilaments

#72
20090143227
2009-06-04

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#73
20090075861
2009-03-19

Systems and methods of removing and managing heavy metals

#74
20090050578
2009-02-26

FORMED FILTER ELEMENT

#75
20090008323
2009-01-08

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#76
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#77
20080274312
2008-11-06

Bag house filters and media

#78
20080067123
2008-03-20

Substrates With Modified Carbon Surfaces

#79
20080053922
2008-03-06

NANOSTRUCTURED MATERIALS COMPRISING SUPPORT FIBERS COATED WITH METAL CONTAINING COMPOUNDS AND METHODS OF USING THE SAME

#80
20080053051
2008-03-06

Method of producing heat-resistant inorganic textile and heat-resistant inorganic textile produced using the method

#81
20070251827
2007-11-01

Preparation method of multi-metals / activated carbon composites

#82
20070240576
2007-10-18

Adsorptive filtering material with integrated particle-and/or aerosol-filtering function and use thereof

#83
20070181001
2007-08-09

Adsorptive filtering material having biological and chemical protective function and use thereof

#84
20070122687
2007-05-31

Carbon fiber nonwoven fabric, and production method and use thereof

#85
20070096372
2007-05-03

Method of manufacturing melt blown carbon fiber filter element and apparatus used therein

#86
20070080103
2007-04-12

Water filter incorporating activated carbon particles with surface-grown carbon nanofilaments

#87
20070065658
2007-03-22

Functional textile material provided with microcapsules containing an active ingredient and use thereof

#88
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

#89
20070028767
2007-02-08

Filter media with improved conductivity

#90
20070004301
2007-01-04

Textile composite material comprising activated carbon fibres and production thereof

#91
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

#92
20060231487
2006-10-19

Coated filter media

#93
20060207925
2006-09-21

Water purification apparatus and system

#94
20060150599
2006-07-13

EMI-absorbing air filter

#95
20060093740
2006-05-04

Method and device for manufacturing nanofilter media

#96
20060016340
2006-01-26

Filter system

#97
20050279696
2005-12-22

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

#98
20050121383
2005-06-09

Sampling filter for chlorinated organic compounds

#99
20050098495
2005-05-12

Purification materials and method of filtering using the same

#100
20050011827
2005-01-20

Carbon or activated carbon nanofibers

#101
19308409
2026-04-14

Shower filter element

#102
18599312
2024-09-17

Filter device, faucet water purifier and spraying process thereof

#103
17964790
2023-05-09

Reusable activated carbon filter