ClassID:

30223

B01D2239/083 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Special characteristics of binders Binders between layers of the filter

Recent Application in this class:
#1
20260097341
2026-04-09

DUAL-LAYER GAS FILTERS AND SYSTEMS AND METHODS FOR MAKING THE SAME

#2
20250249430
2025-08-07

Water filter and medium therefor

#3
20250196033
2025-06-19

HEAT ACTIVATED ADHESIVE FOR FILTERS THAT MAY CONTAIN MULTIPLE ELEMENTS

#4
20250128195
2025-04-24

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

#5
20250032963
2025-01-30

FILTER MEDIA INCLUDING ADHESIVES AND/OR OLEOPHOBIC PROPERTIES

#6
20240424434
2024-12-26

FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS

#7
20240375055
2024-11-14

FEATURES ON A POROUS MEMBRANE

#8
20240367079
2024-11-07

Water Filter and Medium Therefor

#9
20240307805
2024-09-19

FILTER MEDIA INCLUDING ADHESIVES

#10
20230415081
2023-12-28

ARTICLES COMPRISING FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS

#11
20230321571
2023-10-12

DUAL-LAYER GAS FILTERS AND SYSTEMS AND METHODS FOR MAKING THE SAME

#12
20230144786
2023-05-11

NOVEL FILTER MATERIAL, FACE MASK COMPRISING THE SAME AND METHOD OF MAKING THE SAME

#13
20230120229
2023-04-20

DEPTH FILTERS AND RELATED METHODS

#14
20230112349
2023-04-13

Air filtration material, device for decontaminating air by filtration and manufacturing method.

#15
20230103716
2023-04-06

Filter media including adhesives

#16
20230086347
2023-03-23

REUSABLE RESPIRATION FILTERING MASK USING A FLUID FILTER WITH PERSISTENT ANTI-MICROBIAL PROPERTIES AND FLUID FILTER WITH PERSISTENT ANTI-MICROBIAL PROPERTIES.

#17
20230056539
2023-02-23

ARTICLES COMPRISING BINDERS, CROSS-LINKING AGENTS AND/OR OTHER COMPONENTS, AND RELATED METHODS

#18
20230026576
2023-01-26

Filter media with irregular structure and/or reversibly stretchable layers

#19
20220387916
2022-12-08

Filter media including adhesives and/or oleophobic properties

#20
20220387914
2022-12-08

Heat activated adhesive for filters that may contain multiple elements

#21
20220143539
2022-05-12

Glass or aluminum structure air filter using photocatalyst precoat and manufacturing method therefor

#22
20220032232
2022-02-03

Filter medium for separating nitrogen oxides

#23
20210291094
2021-09-23

Filter media including adhesives

#24
20210229011
2021-07-29

ADHESIVE ALLOYS AND FILTER MEDIAS INCLUDING SUCH ADHESIVE ALLOYS

#25
20210229010
2021-07-29

Filter media including adhesives and/or oleophobic properties

#26
20200330913
2020-10-22

Filter media with irregular structure and/or reversibly stretchable layers

#27
20200206666
2020-07-02

Filter media including adhesives and/or oleophobic properties

#28
20190160405
2019-05-30

Nanofiber filter media for high performance applications

#29
20180353884
2018-12-13

MULTI-LAYERED FILTER MEDIA

#30
20180333679
2018-11-22

Features on a porous membrane

#31
20180169551
2018-06-21

Filter media including adhesives and/or oleophobic properties

#32
20180169550
2018-06-21

Filter media including adhesives

#33
20180111074
2018-04-26

Pattern coated filter and method

#34
20170358812
2017-12-14

Filtering device, in particular for the air to be supplied to a fuel cell

#35
20170239604
2017-08-24

Air filter for fuel cell vehicle

#36
20170077537
2017-03-16

Filtering device, in particular for the air to be supplied to a fuel cell

#37
20170056836
2017-03-02

Filter element and method for the production thereof

#38
20170028329
2017-02-02

Laminated nonwoven fabric and air purifier

#39
20160367922
2016-12-22

Multilayer filter medium for filter, method for producing the same, and air filter

#40
20160279550
2016-09-29

FILTER MATERIAL, FILTER ELEMENT, AND A METHOD AND A DEVICE FOR PRODUCING A FILTER MATERIAL

#41
20160051919
2016-02-25

Multi-layered filter media

#42
20150311554
2015-10-29

Filtering device, in particular for the air to be supplied to a fuel cell

#43
20150246306
2015-09-03

Filter element

#44
20150209715
2015-07-30

Method for producing a filter for the adsorption of volatile hydrocarbons

#45
20140291222
2014-10-02

Magnetic filter medium and method for its production

#46
20140190353
2014-07-10

Filter media with improved conductivity

#47
20140013957
2014-01-16

Filtering device, in particular for the air to be supplied to a fuel cell

#48
20130042589
2013-02-21

FILTER INCLUDING A HOT MELT COATED CONTINUOUS SUBSTRATE

#49
20120183799
2012-07-19

Sinter bonded porous metallic coatings

#50
20110265312
2011-11-03

Filter media with improved conductivity

#51
20110005394
2011-01-13

MEDIA FOR REMOVAL OF ORGANIC COMPOUNDS

#52
20100212071
2010-08-26

Adsorption filter material, particularly for producing ABC protective clothing having improved wearing physiology

#53
20090232714
2009-09-17

PARTICULATE COMBUSTION CATALYST, PARTICULATE FILTER, AND EXHAUST GAS CLEAN-UP SYSTEM

#54
20090194423
2009-08-06

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

#55
20090011174
2009-01-08

Sorptive Textile Composite

#56
20080307971
2008-12-18

Filter Medium, Process for Producing the Same, Method of Use Thereof, and Filter Unit

#57
20080241465
2008-10-02

Catalyst carrier

#58
20080166938
2008-07-10

MICROFIBER SPLIT FILM FILTER FELT AND METHOD OF MAKING SAME

#59
20080081007
2008-04-03

Sinter bonded porous metallic coatings

#60
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#61
20070240576
2007-10-18

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

#62
20070080103
2007-04-12

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

#63
20070065658
2007-03-22

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

#64
20070028767
2007-02-08

Filter media with improved conductivity

#65
20070004301
2007-01-04

Textile composite material comprising activated carbon fibres and production thereof

#66
20060021934
2006-02-02

Method and system for fabricating filter structure