ClassID:

29405

B01D39/2058 - 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 particulate

Sub-classes:
Recent Application in this class:
#1
20260061343
2026-03-05

WATER FILTER WITH REPLACEABLE ACTIVE COMPONENTS

#2
20240382886
2024-11-21

MORPHOLOGICALLY ENHANCED, ADSORBENT FILTER MEDIA

#3
20240359119
2024-10-31

HEALTH FUNCTION-CUSTOMIZED NATURAL MINERAL ACTIVATING COMPOSITE FILTER, AND METHOD FOR PRODUCING SAME

#4
20240082765
2024-03-14

PARTICULATE FILTER

#5
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#6
20230243089
2023-08-03

Method of treating a textile with graphene and textile so obtained

#7
20230225430
2023-07-20

TEXTILE ARTICLE COMPRISING GRAPHENE AND FILTERS COMPRISING SAID TEXTILE ARTICLE

#8
20230191307
2023-06-22

Handheld smoke filter

#9
20230149901
2023-05-18

ADSORPTION FILTER

#10
20230079924
2023-03-16

WASTE WATER FILTRATION COMPOSITIONS, SYSTEMS AND METHODS

#11
20230032168
2023-02-02

WASTE WATER FILTRATION COMPOSITIONS, SYSTEMS AND METHODS

#12
20220339471
2022-10-27

MULTI-LAYER FILTRATION SYSTEM AND FILTER UNIT COMPRISING SAME

#13
20220127779
2022-04-28

ANTIVIRAL ELEMENT AND PERSONNEL PROTECTION EQUIPMENT CONTAINING SAME

#14
20220064023
2022-03-03

Method to regenerate an activated carbon filtration media

#15
20220023785
2022-01-27

HEALTH FUNCTION-CUSTOMIZED NATURAL MINERAL ACTIVATING COMPOSITE FILTER, AND METHOD FOR PRODUCING SAME

#16
20210261894
2021-08-26

HOME BREWING DEVICE

#17
20210113948
2021-04-22

Filter assembly and air cleaner having the same

#18
20210107804
2021-04-15

WASTE WATER FILTRATION COMPOSITIONS, SYSTEMS AND METHODS

#19
20210106976
2021-04-15

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

#20
20200407239
2020-12-31

FILTER AND FILTER MEDIA FOR REMOVING ORGANIC ACID FROM WATER

#21
20200392018
2020-12-17

RICE HUSK FILTER MEDIA, AND METHODS

#22
20200261836
2020-08-20

GRANULAR FILTRATION MEDIA MIXTURE AND USES IN WATER PURIFICATION

#23
20200140288
2020-05-07

Method to remove a plurality of heavy metals from wastewater using activated partially charred rice husks

#24
20190344209
2019-11-14

Air filter comprising a multilayer filter material

#25
20190270041
2019-09-05

Method of removing heavy metals from an aqueous solution using partially charred rice husks

#26
20180346609
2018-12-06

Alkylated cyclodextrin compositions and processes for preparing and using the same

#27
20180043433
2018-02-15

Carbon as an aide for ductile nanocellular foam

#28
20170368382
2017-12-28

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

#29
20170334742
2017-11-23

MORINGA OLEIFERA AUGMENTED FILTER MEDIA

#30
20170239600
2017-08-24

Granular filtration media mixture and uses in water purification

#31
20170173372
2017-06-22

Impregnated filter material

#32
20170096349
2017-04-06

Heavy metal recycling process and material useful in such process

#33
20160296911
2016-10-13

Catalyst system based on spherical activated carbon as a carrier and use thereof

#34
20150306536
2015-10-29

Layered or mixed sorbent bed protective filtration device

#35
20150283493
2015-10-08

Layered or mixed sorbent bed protective filtration device

#36
20150258478
2015-09-17

FILTER MEDIUM CONTAINING FIBRES

#37
20140302981
2014-10-09

Activated carbon with a metal based component

#38
20130008006
2013-01-10

Formed filter element

#39
20120241385
2012-09-27

WATER FILTRATION SYTEM WITH ACTIVATED CARBON AND ZEOLITE

#40
20120240538
2012-09-27

Honeycomb filter and manufacturing method of the same

#41
20120167889
2012-07-05

Gas mask filter canister

#42
20120167769
2012-07-05

Respirator filter canister

#43
20120118808
2012-05-17

Fluidized membrane bioreactor

#44
20120012522
2012-01-19

MAKING AND USING COMPOSITE MATERIAL CONTAINING NANOSPHERES AND DEVICES FOR WATER FILTRATION AND DEVICES CONTAING SUCH COMPOSITES

#45
20110201041
2011-08-18

Encapsulation of nano-materials for fluid purification/separation

#46
20110155661
2011-06-30

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

#47
20110146697
2011-06-23

Method and apparatus for the plasma processing of filter material

#48
20110139701
2011-06-16

FILTERS COMPRISING AN ACTIVATED CARBON PARTICLE COATED WITH PDADMAC AND METHODS OF MAKING SAME

#49
20110114573
2011-05-19

Devices and Methods for Removing Contaminants and Other Elements, Compounds, and Species from Fluids

#50
20110113538
2011-05-19

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

#51
20110072971
2011-03-31

Active-particulate air filter having monolith primary filter and polishing filter

#52
20110005394
2011-01-13

MEDIA FOR REMOVAL OF ORGANIC COMPOUNDS

#53
20100313753
2010-12-16

Polyethylene membrane and method of its production

#54
20100219131
2010-09-02

Water purification apparatus and system

#55
20100212071
2010-08-26

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

#56
20100162895
2010-07-01

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

#57
20100095843
2010-04-22

Air pollution control filter elements for filtration systems

#58
20100035119
2010-02-11

STABLE TEMPERATURE PLASMA TREATED FORMATION, AND METHOD FOR THE PRODUCTION THEREOF

#59
20100006507
2010-01-14

Water treating methods

#60
20090308800
2009-12-17

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

#61
20090301308
2009-12-10

Filter Arrangement for Fuel Cell

#62
20090230061
2009-09-17

Methods for treating water

#63
20090218292
2009-09-03

Methods of treating water

#64
20090218291
2009-09-03

Methods for treating water

#65
20090194423
2009-08-06

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

#66
20090050578
2009-02-26

FORMED FILTER ELEMENT

#67
20090011174
2009-01-08

Sorptive Textile Composite

#68
20090008323
2009-01-08

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

#69
20080067123
2008-03-20

Substrates With Modified Carbon Surfaces

#70
20080026041
2008-01-31

NON-WOVEN MEDIA INCORPORATING ULTRAFINE OR NANOSIZE POWDERS

#71
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#72
20070251827
2007-11-01

Preparation method of multi-metals / activated carbon composites

#73
20070181001
2007-08-09

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

#74
20070080103
2007-04-12

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

#75
20070065658
2007-03-22

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

#76
20070056256
2007-03-15

Electrostatic air filter

#77
20070003457
2007-01-04

Complex shaped fiber for particle and molecular filtration

#78
20070000389
2007-01-04

Gas purification with carbon based materials

#79
20060207925
2006-09-21

Water purification apparatus and system

#80
20060191416
2006-08-31

Vacuum cleaner and dust bag for vacuum cleaner

#81
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#82
20060123991
2006-06-15

Adsorption filter

#83
20060096910
2006-05-11

Hybrid fabric filtration device

#84
20060042208
2006-03-02

High-efficiency filter device and method for making same

#85
20050279696
2005-12-22

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

#86
20050214188
2005-09-29

Complex shaped fiber for particle and molecular filtration

#87
20050160911
2005-07-28

Gas mask filter canister

#88
20050155665
2005-07-21

Respirator filter canisters and method of filling same

#89
20050050869
2005-03-10

Heat stable filter construction

#90
20050023223
2005-02-03

Composite filter and method and apparatus for producing high purity water using the composite filter