ClassID:

30209

B01D2239/064 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Filter cloth, e.g. knitted, woven non-woven; self-supported material; Arrangement of the fibres in the filtering material The fibres being mixed

Recent Application in this class:
#1
20260124566
2026-05-07

PULSE FILTER

#2
20260070010
2026-03-12

NONWOVEN FILTRATION MEDIA INCLUDING MICROFIBRILLATED CELLULOSE FIBERS

#3
20250296021
2025-09-25

FILTER MEDIA COMPRISING WATER-REPELLENT ADDITIVES AND/OR FIBRILLATED FIBERS

#4
20250170509
2025-05-29

FILTER MEDIUM COMPRISING A FINE FIBER LAYER

#5
20250090985
2025-03-20

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

#6
20240342636
2024-10-17

NEEDLE-PUNCHED FILTRATION COMPOSITE AND METHOD OF MAKING SAME

#7
20240316483
2024-09-26

SELF-CLEANING FILTER

#8
20240279858
2024-08-22

NONWOVEN MATERIAL ADAPTED FOR HIGH EFFICIENCY AIR FILTRATION

#9
20240229312
2024-07-11

HIGH TEMPERATURE TREATED MEDIA

#10
20240133092
2024-04-25

HIGH TEMPERATURE TREATED MEDIA

#11
20240115981
2024-04-11

Biodegradable cellulose-based filter media and facial masks including the same

#12
20240109011
2024-04-04

NONWOVEN FILTRATION MEDIA INCLUDING MICROFIBRILLATED CELLULOSE FIBERS

#13
20230381696
2023-11-30

NONWOVEN SLIVER-BASED FILTER MEDIUM FOR FILTERING PARTICULTE MATTER

#14
20230321573
2023-10-12

SYSTEMS AND METHODS OF MAKING PRODUCTS CONTAINING FIBROUS MATERIAL

#15
20230321572
2023-10-12

SYSTEMS AND METHODS FOR SEPARATING AND/OR ISOLATING NANOPARTICLES WITHIN A GASEOUS MEDIUM

#16
20230321570
2023-10-12

SYSTEMS AND METHODS FOR CONTINUOUS PRODUCTION OF FIBROUS MATERIALS AND NANOPARTICLES

#17
20230285883
2023-09-14

Soy based filtration system

#18
20230166204
2023-06-01

ELEMENT OF, CARTRIDGE AND CONTAINER WITH, FILTER FOR SLURRY

#19
20230158430
2023-05-25

HIGH EFFICIENCY SYNTHETIC FILTER MEDIA

#20
20230136157
2023-05-04

TUBULAR KNITTED GEOTEXTILES IMPLEMENTING NON-BIOMASS BASED INERT THREADS, METHODS OF MAKING THE SAME, AND EROSION SEDIMENT AND POLLUTION CONTROL PRODUCTS MADE FROM THE SAME

#21
20230100934
2023-03-30

SUB-MICRON FIBROUS MEMBRANE AND METHOD FOR PRODUCING SAME

#22
20220387915
2022-12-08

FILTER MEDIA LAYERS INCLUDING MIXED DIAMETER FINE FIBERS

#23
20220379249
2022-12-01

Filter medium comprising a fine fiber layer

#24
20220219104
2022-07-14

FILTER MEDIUM FOR FILTER AND FILTER

#25
20220212131
2022-07-07

Nonwoven sliver-based filter medium for filtering particulate matter

#26
20220161171
2022-05-26

FILTER MEDIA COMPRISING FLUORINATED AND NON-FLUORINATED WATER REPELLENT ADDITIVES

#27
20220152592
2022-05-19

Glass fiber filter element for visible light photocatalysis and air purification and preparation method thereof

#28
20220096976
2022-03-31

Depth filter

#29
20220080340
2022-03-17

Filtration media

#30
20220025559
2022-01-27

Systems and methods for thermally bonding fiber

#31
20210362081
2021-11-25

High temperature treated media

#32
20210339176
2021-11-04

FILTER MEDIUM AND A USE THEREOF

#33
20210331108
2021-10-28

Systems and methods of filtering particulate matter from a fluid

#34
20210236971
2021-08-05

Combined fiber nonwoven fabric, laminate, filtration medium for filter and method thereof

#35
20210213378
2021-07-15

HIGH BURST STRENGTH WET-LAID NONWOVEN FILTRATION MEDIA AND PROCESS FOR PRODUCING SAME

#36
20210106934
2021-04-15

Nonwoven filtration media including microfibrillated cellulose fibers

#37
20210086116
2021-03-25

HIGH BURST STRENGTH WET-LAID NONWOVEN FILTRATION MEDIA AND PROCESS FOR PRODUCING SAME

#38
20200354869
2020-11-12

Nonwoven web with bimodal fiber distribution

#39
20200353392
2020-11-12

NONWOVEN SLIVER-BASED FILTER MEDIUM FOR FILTERING PARTICULTE MATTER

#40
20200277134
2020-09-03

Flame resistant filter apparatus and method

#41
20200254372
2020-08-13

NONWOVEN AIR FILTRATION MEDIUM

#42
20200122068
2020-04-23

Fine fiber media layer

#43
20200086255
2020-03-19

Soy based filtration system

#44
20200078717
2020-03-12

Electret fiber sheet

#45
20200063354
2020-02-27

Air filtration articles

#46
20200063350
2020-02-27

Beverage filtration article

#47
20200061504
2020-02-27

Filter medium and a use thereof

#48
20200030729
2020-01-30

Method of making a thin filtration media

#49
20190366250
2019-12-05

Nonwoven filtration media including microfibrillated cellulose fibers

#50
20190335935
2019-11-07

Nonwoven Filter Fabric Composition And Method of Use

#51
20190329169
2019-10-31

HIGHLY EFFICIENT FILTER MEDIUM

#52
20190217231
2019-07-18

Filtration media

#53
20190192070
2019-06-27

Apparatus and method for monitoring medication adherence

#54
20190135536
2019-05-09

Flame Resistant Viscose Filter Apparatus and Method

#55
20190126176
2019-05-02

Filter medium, method of manufacturing the same and uses thereof

#56
20190105589
2019-04-11

COMPOSITE FILTER MEDIUM COMPRISING WET NONWOVEN FABRIC, AND MANUFACTURING METHOD THEREFOR

#57
20190070542
2019-03-07

Systems and methods of filtering particulate matter from a fluid

#58
20180311599
2018-11-01

Stabilized protein fiber air filter materials and methods

#59
20180296159
2018-10-18

Method and apparatus for monitoring medication adherence

#60
20180280847
2018-10-04

Process for making high efficiency synthetic filter media

#61
20180280846
2018-10-04

Process for utilizing a high efficiency synthetic filter media

#62
20180280845
2018-10-04

High efficiency synthetic filter media

#63
20180280844
2018-10-04

Filter medium having excellent heat resistance

#64
20180272255
2018-09-27

Filter media suitable for hydraulic applications

#65
20180243673
2018-08-30

Self-cleaning filter

#66
20180221799
2018-08-09

Nonwoven sliver-based filter medium for filtering particulate matter

#67
20180207564
2018-07-26

Blood separation media and lateral flow devices for blood samples

#68
20180078887
2018-03-22

Method of making an acetate tow band with shape and size used for coding

#69
20180028953
2018-02-01

Pre-air-filter for internal combustion engine

#70
20170361254
2017-12-21

Melt spun filtration media for respiratory devices and face masks

#71
20170319994
2017-11-09

High efficiency and high capacity glass-free fuel filtration media and fuel filters and methods employing the same

#72
20170319993
2017-11-09

Fine fiber media layer

#73
20170296953
2017-10-19

High efficiency and high capacity glass-free fuel filtration media and fuel filters and methods employing the same

#74
20170173510
2017-06-22

Non-woven filtration material and air cleaner element

#75
20170151515
2017-06-01

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#76
20170087496
2017-03-30

Filter Medium and Use of the Filter Medium

#77
20170042472
2017-02-16

Method and apparatus for monitoring medication adherence

#78
20170007952
2017-01-12

Interlaced Filtration Barrier

#79
20170007950
2017-01-12

Interlaced filtration barrier

#80
20160362249
2016-12-15

Flame resistant viscose filter apparatus and method

#81
20160220927
2016-08-04

Filtration media fiber structure and method of making same

#82
20160210501
2016-07-21

Method and apparatus for monitoring medication adherence

#83
20160175754
2016-06-23

Method of filtering particulates from the air using a composite filter substrate comprising a mixture of fibers

#84
20160123612
2016-05-05

Humidification filter, and vaporizing humidifier including the same

#85
20160074787
2016-03-17

Filter media comprising fibers including charged particles

#86
20160023149
2016-01-28

Method of making a thin filtration media

#87
20160023146
2016-01-28

Nonwoven filtration media including microfibrillated cellulose fibers

#88
20160016717
2016-01-21

Fibrous substrate containing fibers and nanofibrillar polysaccharide

#89
20160016101
2016-01-21

Filtration media

#90
20150379703
2015-12-31

Method for characterizing fibers with shape and size used for coding

#91
20150376818
2015-12-31

Method for making an acetate tow band with shape and size used for coding

#92
20150375149
2015-12-31

ACETATE TOW AND FILTERS WITH SHAPE AND SIZE USED FOR CODING

#93
20150360159
2015-12-17

Blended Fiber Filters

#94
20150182885
2015-07-02

Filter media suitable for hydraulic applications

#95
20150157971
2015-06-11

Interlaced filtration barrier

#96
20150140333
2015-05-21

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

#97
20150122127
2015-05-07

Multilayer filter media

#98
20150114230
2015-04-30

Pleatable filter media

#99
20150061175
2015-03-05

Pleatable nonwoven material and method and apparatus for production thereof

#100
20150013295
2015-01-15

Blended nonwoven fabric, filter medium, and filter unit

#101
20140299556
2014-10-09

Blood filter, system and use of a blood filter or system

#102
20140260990
2014-09-18

Filtration media fiber structure and method of making same

#103
20140260137
2014-09-18

Air filtration media, media constructions and methods

#104
20140217011
2014-08-07

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#105
20140196420
2014-07-17

Fine fiber media layer

#106
20140165515
2014-06-19

Blended filament nonwoven fabric

#107
20140120322
2014-05-01

Non-woven electret fibrous webs and methods of making same

#108
20140066872
2014-03-06

Nonwoven fabrics comprised of individualized bast fibers

#109
20130341290
2013-12-26

FIBRILLATED FIBERS FOR LIQUID FILTRATION MEDIA

#110
20130340613
2013-12-26

Absorbent and/or adsorptive filter media

#111
20130248439
2013-09-26

Filter medium, filtering device using filter medium, and filter medium manufacturing method

#112
20130233789
2013-09-12

High efficiency and high capacity glass-free fuel filtration media and fuel filters and methods employing the same

#113
20130193063
2013-08-01

Nonwoven fabric, method for producing the same, and filter formed with the same

#114
20130036907
2013-02-14

NON-WOVEN FABRIC FOR FILTER, AND PROCESS FOR PRODUCTION THEREOF

#115
20130008853
2013-01-10

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#116
20130008850
2013-01-10

FILTER ELEMENT FOR FINE PURIFICATION OF RAW MILK

#117
20130008006
2013-01-10

Formed filter element

#118
20130001154
2013-01-03

Fine fiber media layer

#119
20120272828
2012-11-01

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#120
20120255662
2012-10-11

INTEGRATED NANOFIBER FILTER MEDIA

#121
20120234748
2012-09-20

High temperature treated media

#122
20120204527
2012-08-16

Fine fiber media layer

#123
20120187593
2012-07-26

Pleatable nonwoven material and method and apparatus for production thereof

#124
20120175298
2012-07-12

HIGH EFFICIENCY FILTER

#125
20120160747
2012-06-28

Method and Device for Marking Objects, Particularly Components of a Motor Vehicle, with an Embossed Hologram and Objects Marked in this Way

#126
20120144790
2012-06-14

Pleatable composite filter media

#127
20120097037
2012-04-26

Air filter material using laminated electret nonwoven fabric

#128
20120086827
2012-04-12

Apparatus and method for assisting monitoring of medication adherence

#129
20120079942
2012-04-05

Filtration system and method of design

#130
20120067220
2012-03-22

Filtration media and applications thereof

#131
20120048797
2012-03-01

FIBER WEB HAVING A HIGH STIFFNESS

#132
20120037560
2012-02-16

Porous block nanofiber composite filters

#133
20120006761
2012-01-12

ABSORBENT MATERIAL AND METHOD FOR USING SAME

#134
20110293485
2011-12-01

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#135
20110253620
2011-10-20

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#136
20110232653
2011-09-29

ANTIMICROBIAL, DUSTPROOF FABRIC AND MASK

#137
20110210081
2011-09-01

FINE FIBER LIQUID PARTICULATE FILTER MEDIA

#138
20110210061
2011-09-01

COMPRESSED NANOFIBER COMPOSITE MEDIA

#139
20110210060
2011-09-01

EXPANDED COMPOSITE FILTER MEDIA INCLUDING NANOFIBER MATRIX AND METHOD

#140
20110210059
2011-09-01

Non-pleated tubular depth filter having fine fiber filtration media

#141
20110209451
2011-09-01

Nonwoven fabric for exhaust-gas treatment, exhaust-gas purification device and method for producing a nonwoven fabric for exhaust-gas treatment

#142
20110192799
2011-08-11

Sorbent Compositions

#143
20110168622
2011-07-14

High Efficiency, High Capacity Filter Media

#144
20110079553
2011-04-07

Filter media suitable for hydraulic applications

#145
20110067369
2011-03-24

Fine fiber media layer

#146
20110049041
2011-03-03

FUEL FILTER ELEMENT

#147
20110039690
2011-02-17

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

#148
20110011044
2011-01-20

BAG FILTER COMPRISING FILTER FELT OF META-ARAMID AND PARA-ARAMID STAPLE FIBER

#149
20100326902
2010-12-30

Laminated Filtration Media

#150
20100319310
2010-12-23

Fiber web having a high stiffness

#151
20100313753
2010-12-16

Polyethylene membrane and method of its production

#152
20100229516
2010-09-16

Pleated filter with bimodal monolayer monocomponent media

#153
20100212506
2010-08-26

Filter element and filter unit

#154
20100212071
2010-08-26

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

#155
20100201041
2010-08-12

Process of making a monocomponent non-woven web

#156
20100178507
2010-07-15

Polyamide Fine Fibers

#157
20100176068
2010-07-15

Web comprising fine fiber and reactive, adsorptive or absorptive particulate

#158
20100173070
2010-07-08

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

#159
20100162895
2010-07-01

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

#160
20100133173
2010-06-03

Wet type nonwoven fabric and filter

#161
20100115899
2010-05-13

Ceramic filter comprising clay and process for preparing thereof

#162
20100095846
2010-04-22

TACKY ALLERGEN TRAP AND FILTER MEDIUM, AND METHOD FOR CONTAINING ALLERGENS

#163
20100071327
2010-03-25

Flame resistant viscose filter apparatus and method

#164
20100064645
2010-03-18

Fine fiber media layer

#165
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

#166
20100035119
2010-02-11

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

#167
20100028221
2010-02-04

Fibrous structure and particulate filter type exhaust gas purifying catalyst

#168
20100024695
2010-02-04

Fabrics

#169
20090301308
2009-12-10

Filter Arrangement for Fuel Cell

#170
20090298371
2009-12-03

WOVEN FABRIC

#171
20090277836
2009-11-12

Filter for Oil-Water Separation and Device for Oil-Water Separation

#172
20090272086
2009-11-05

NANOFIBER FILTER MEDIUM AND METHOD FOR MANUFACTURING THE SAME

#173
20090266759
2009-10-29

INTEGRATED NANOFIBER FILTER MEDIA

#174
20090221047
2009-09-03

Method of converting cellulosic biomass to alcohol using web comprising fine fiber and bioactive particulate

#175
20090218292
2009-09-03

Methods of treating water

#176
20090218291
2009-09-03

Methods for treating water

#177
20090199958
2009-08-13

Method for manufacturing a filtration device

#178
20090176295
2009-07-09

Use of mosses and/or lichens, element and method for reducing the particulate matter content of air

#179
20090163102
2009-06-25

Non-woven webs and methods of manufacturing the same

#180
20090152191
2009-06-18

Nonwovens, tufted nonwovens, and articles containing the same

#181
20090143227
2009-06-04

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

#182
20090117803
2009-05-07

PLEATABLE NONWOVEN MATERIAL AND METHOD AND APPARATUS FOR PRODUCTION THEREOF

#183
20090050578
2009-02-26

FORMED FILTER ELEMENT

#184
20090049816
2009-02-26

Filter felts and bag filters comprising blends of fibers derived from diamino diphenyl sulfone and heat resistant fibers

#185
20090044702
2009-02-19

Filter element and method

#186
20090019825
2009-01-22

TACKY ALLERGEN TRAP AND FILTER MEDIUM, AND METHOD FOR CONTAINING ALLERGENS

#187
20090011174
2009-01-08

Sorptive Textile Composite

#188
20080318024
2008-12-25

Meltblown fiber web with staple fibers

#189
20080315464
2008-12-25

Method of manufacturing a composite filter media

#190
20080314821
2008-12-25

Filter medium, fluid filter, and engine oil filter

#191
20080314010
2008-12-25

Composite filter media

#192
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#193
20080274312
2008-11-06

Bag house filters and media

#194
20080156720
2008-07-03

CHRYSANTHEMUM-SHAPED ELEMENT AND METHOD FOR MANUFACTURING THE SAME, FILTER BODY AND FLUID FILTER

#195
20080110822
2008-05-15

Fine fiber media layer

#196
20080078152
2008-04-03

Filter media and devices for high temperature filtration and methods

#197
20080053922
2008-03-06

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

#198
20080026659
2008-01-31

Monocomponent monolayer meltblown web and meltblowing apparatus

#199
20080026041
2008-01-31

NON-WOVEN MEDIA INCORPORATING ULTRAFINE OR NANOSIZE POWDERS

#200
20080022643
2008-01-31

Pleated filter with bimodal monolayer monocomponent media

#201
20070271891
2007-11-29

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

#202
20070271890
2007-11-29

Nonwoven fibrous mat for MERV filter and method of making

#203
20070271889
2007-11-29

Nonwoven fibrous mat for MERV filter and method

#204
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

#205
20070267341
2007-11-22

Acid-neutralizing filter media

#206
20070251876
2007-11-01

Hybrid filter element and method

#207
20070240576
2007-10-18

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

#208
20070175195
2007-08-02

Tacky allergen trap and filter medium, and method for containing allergens

#209
20070123130
2007-05-31

MULTIPLE-LAYER, MULTIPLE-DENIER NONWOVEN FIBER BATT

#210
20070095747
2007-05-03

Composite fiber environmental filtration media containing flocculant

#211
20070056256
2007-03-15

Electrostatic air filter

#212
20070044443
2007-03-01

Multiple integrated-layer ceramic fiber filter paper and method

#213
20070012007
2007-01-18

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

#214
20070004301
2007-01-04

Textile composite material comprising activated carbon fibres and production thereof

#215
20060217019
2006-09-28

Glass fiber filtration media with at least two different fiber diameters

#216
20060207925
2006-09-21

Water purification apparatus and system

#217
20060172639
2006-08-03

Filter medium

#218
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#219
20060096910
2006-05-11

Hybrid fabric filtration device

#220
20060093815
2006-05-04

Glass fiber filtration media with at least two different fiber diameters

#221
20060060085
2006-03-23

Composite filter media

#222
20060042209
2006-03-02

Alkaline impregnated filter element, and methods

#223
20060042208
2006-03-02

High-efficiency filter device and method for making same

#224
20060032814
2006-02-16

Acid-neutralizing filter media

#225
20050121383
2005-06-09

Sampling filter for chlorinated organic compounds

#226
20050092451
2005-05-05

Water dispersible products

#227
20050061728
2005-03-24

Salt-tolerant, water absorbing filter

#228
20050050869
2005-03-10

Heat stable filter construction

#229
20050011827
2005-01-20

Carbon or activated carbon nanofibers