ClassID:

30229

B01D2239/1225 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Special parameters characterising the filtering material Fibre length

Recent Application in this class:
#1
20260048353
2026-02-19

METHOD AND APPARATUS FOR ENHANCED DROPLET CAPTURE WITH INTERNAL RADIALLY PROTRUDING FIBERS

#2
20260027500
2026-01-29

FILTER LAYER

#3
20250345772
2025-11-13

EROSION AND SEDIMENT AND POLLUTION CONTROL PRODUCTS USING RICE HULLS

#4
20250281860
2025-09-11

FILTER MEDIA INCLUDING OUT-OF-PLANE SOLID ELEMENTS, METHODS OF FORMING THEM, AND USES THEREOF

#5
20250242567
2025-07-31

INTERNALLY REINFORCED AEROGEL AND USES THEREOF

#6
20250050257
2025-02-13

Filtration media especially useful for filtering fluids associated with wire electron discharge machining (WEDM) processes

#7
20240424477
2024-12-26

SYSTEM AND DEVICES FOR REMOVAL OF CONTAMINATES

#8
20240399703
2024-12-05

INTERNALLY REINFORCED AEROGEL AND USES THEREOF

#9
20240382886
2024-11-21

MORPHOLOGICALLY ENHANCED, ADSORBENT FILTER MEDIA

#10
20240367228
2024-11-07

NETWORK OF METAL FIBERS AND METHOD OF ASSEMBLING A FIBER NETWORK

#11
20240342636
2024-10-17

NEEDLE-PUNCHED FILTRATION COMPOSITE AND METHOD OF MAKING SAME

#12
20240307805
2024-09-19

FILTER MEDIA INCLUDING ADHESIVES

#13
20240229312
2024-07-11

HIGH TEMPERATURE TREATED MEDIA

#14
20240216845
2024-07-04

BIODEGRADABLE COMPOSITE FILTER MEDIA FOR AIR FILTERS AND MANUFACTURING METHOD THEREOF

#15
20240133092
2024-04-25

HIGH TEMPERATURE TREATED MEDIA

#16
20240115981
2024-04-11

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

#17
20240033710
2024-02-01

Method of manufacturing erosion and sediment and pollution control products using rice hulls

#18
20240001270
2024-01-04

SELF-DECONTAMINATING NANOFIBROUS FILTERS

#19
20230330451
2023-10-19

FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME

#20
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#21
20230311039
2023-10-05

ADVANCED FILTRATION STRUCTURES FOR MASK AND OTHER FILTER USES

#22
20230277966
2023-09-07

TUBULAR KNITTED GEOTEXTILES IMPLEMENTING HYDROPHOBIC CELLULOSE BASED THREADS, METHODS OF MAKING THE SAME, AND EROSION SEDIMENT AND POLLUTION CONTROL PRODUCTS MADE FROM THE SAME

#23
20230233967
2023-07-27

AIR FILTRATION MATERIAL, FILTERS COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME

#24
20230158430
2023-05-25

HIGH EFFICIENCY SYNTHETIC FILTER MEDIA

#25
20230103716
2023-04-06

Filter media including adhesives

#26
20230025717
2023-01-26

Filter media with irregular structure

#27
20230021769
2023-01-26

FILTRATION COMPOSITES

#28
20220362696
2022-11-17

ANTIMICROBIAL FILTER MEDIA

#29
20220274091
2022-09-01

Flow-through aerosol capture device

#30
20220258087
2022-08-18

Conductive filter unit, conductive filter module including conductive filter unit, and fine dust removal system including conductive filter module

#31
20220219104
2022-07-14

FILTER MEDIUM FOR FILTER AND FILTER

#32
20220080340
2022-03-17

Filtration media

#33
20220063240
2022-03-03

Internally reinforced aerogel and uses thereof

#34
20220009798
2022-01-13

Fluoride removal process

#35
20210362081
2021-11-25

High temperature treated media

#36
20210331108
2021-10-28

Systems and methods of filtering particulate matter from a fluid

#37
20210308609
2021-10-07

FILTER MEDIA INCLUDING OUT-OF-PLANE SOLID ELEMENTS, METHODS OF FORMING THEM, AND USES THEREOF

#38
20210291094
2021-09-23

Filter media including adhesives

#39
20210236970
2021-08-05

Filter media including flame retardant fibers

#40
20210213378
2021-07-15

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

#41
20210170317
2021-06-10

Composite filter media with multiple fiber structures including nanofibers

#42
20210154607
2021-05-27

Filtration media especially useful for filtering fluids associated with wire electron discharge machining (WEDM) processes

#43
20210016213
2021-01-21

WET NON-WOVEN FABRIC FOR FILTER, FILTER MEDIUM FOR FILTER, AND FILTER

#44
20200324234
2020-10-15

POLYPHENYLENE SULFIDE SHORT FIBER, FIBROUS STRUCTURE, FILTER FELT, AND BAG FILTER

#45
20200208092
2020-07-02

Filter for mammalian cell culture perfusion and clarification with hydrophobic hollow fiber

#46
20200164330
2020-05-28

Internally reinforced aerogel and uses thereof

#47
20200139281
2020-05-07

Filter media with irregular structure

#48
20200094183
2020-03-26

Outer periphery coating material, outer periphery coated honeycomb structure and dust collecting filter

#49
20200063354
2020-02-27

Air filtration articles

#50
20200063351
2020-02-27

Paper product articles

#51
20200063350
2020-02-27

Beverage filtration article

#52
20200030729
2020-01-30

Method of making a thin filtration media

#53
20190314750
2019-10-17

Filter media for filtration of cooking fumes

#54
20190217232
2019-07-18

Preparation method of cotton bast fiber and chitosan composite non-woven fabric for filtration

#55
20190217231
2019-07-18

Filtration media

#56
20190209955
2019-07-11

METHOD FOR PRODUCING A THREEDIMENSIONAL SPONGE BASED ON NANOFIBERS

#57
20190070542
2019-03-07

Systems and methods of filtering particulate matter from a fluid

#58
20190070540
2019-03-07

Filter medium for liquid filter and liquid filter

#59
20190054405
2019-02-21

Filter media pack, filter assembly, and method

#60
20190017202
2019-01-17

Method and device for processing of filter material, product obtained thereof

#61
20180290118
2018-10-11

Internally reinforced aerogel and uses thereof

#62
20180280847
2018-10-04

Process for making high efficiency synthetic filter media

#63
20180280846
2018-10-04

Process for utilizing a high efficiency synthetic filter media

#64
20180280845
2018-10-04

High efficiency synthetic filter media

#65
20180280844
2018-10-04

Filter medium having excellent heat resistance

#66
20180264392
2018-09-20

Air filter medium, air filter pack, and air filter unit

#67
20180257015
2018-09-13

Filter cloth for bag filter, method for producing the same, and bag filter

#68
20180207564
2018-07-26

Blood separation media and lateral flow devices for blood samples

#69
20180169550
2018-06-21

Filter media including adhesives

#70
20180028953
2018-02-01

Pre-air-filter for internal combustion engine

#71
20170319994
2017-11-09

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

#72
20170296953
2017-10-19

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

#73
20170232372
2017-08-17

Filter media including flame retardant fibers

#74
20170209823
2017-07-27

Filter and filter media having a fiber blend

#75
20170197163
2017-07-13

Styrene-acrylonitrile fine fibers, filter media, recirculation filters, and methods

#76
20170137981
2017-05-18

NON-WOVEN FABRIC

#77
20170128866
2017-05-11

Filter for molten polymer filtration

#78
20170128865
2017-05-11

POROUS PANEL

#79
20170036218
2017-02-09

SELF-SUPPORT ELECTROSTATIC FILTER AND A FILTERING DEVICE THEREOF

#80
20160367922
2016-12-22

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

#81
20160279549
2016-09-29

Aggregate-removing filter material, aggregate removal method, white blood cell-removing filter, and blood product filtering method

#82
20160244649
2016-08-25

Fiber blends

#83
20160244373
2016-08-25

Ultrafine continuous fibrous ceramic filter and method of manufacturing same

#84
20160220927
2016-08-04

Filtration media fiber structure and method of making same

#85
20160023149
2016-01-28

Method of making a thin filtration media

#86
20160016101
2016-01-21

Filtration media

#87
20150211153
2015-07-30

Metal fiber web based filter

#88
20150140333
2015-05-21

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

#89
20140260990
2014-09-18

Filtration media fiber structure and method of making same

#90
20140190353
2014-07-10

Filter media with improved conductivity

#91
20140066872
2014-03-06

Nonwoven fabrics comprised of individualized bast fibers

#92
20130327218
2013-12-12

Filter media pack, filter assembly, and method

#93
20130233789
2013-09-12

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

#94
20130122215
2013-05-16

Functionalized nonwoven article

#95
20130068686
2013-03-21

Filtering machine

#96
20130008006
2013-01-10

Formed filter element

#97
20130001155
2013-01-03

Filter medium of a filter element, filter element and method for producing a filter medium

#98
20120312744
2012-12-13

Aquarium filter media including nanofibers

#99
20120234748
2012-09-20

High temperature treated media

#100
20120175298
2012-07-12

HIGH EFFICIENCY FILTER

#101
20120167769
2012-07-05

Respirator filter canister

#102
20120107588
2012-05-03

Filter media and articles including dendrimers and/or other components

#103
20110266213
2011-11-03

ULTRAFINE CONTINUOUS FIBROUS CERAMIC FILTER AND METHOD OF MANUFACTURING SAME

#104
20110265312
2011-11-03

Filter media with improved conductivity

#105
20110147320
2011-06-23

Filter media and articles including dendrimers and/or other components

#106
20110039690
2011-02-17

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

#107
20110031191
2011-02-10

Filter material for removing aggregates and method of filtering blood product

#108
20110030557
2011-02-10

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials

#109
20100320138
2010-12-23

Functionalized nonwoven article

#110
20100313753
2010-12-16

Polyethylene membrane and method of its production

#111
20100236202
2010-09-23

Filter medium

#112
20100173070
2010-07-08

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

#113
20090277836
2009-11-12

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

#114
20090250414
2009-10-08

Method for filtering cooking oil used in frying process

#115
20090143227
2009-06-04

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

#116
20090050578
2009-02-26

FORMED FILTER ELEMENT

#117
20090045145
2009-02-19

Device and method for purifying water

#118
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#119
20070289927
2007-12-20

Filtration and filtration method for cooking oil used in frying process

#120
20070163217
2007-07-19

Cellulosic/polyamide composite

#121
20070151218
2007-07-05

Method for producing metal fibers, method for producing filter material, device for performing the method, fiber, filter material, particle filter, and motor vehicle having the filter material

#122
20070095747
2007-05-03

Composite fiber environmental filtration media containing flocculant

#123
20070056256
2007-03-15

Electrostatic air filter

#124
20070028767
2007-02-08

Filter media with improved conductivity

#125
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#126
20060096910
2006-05-11

Hybrid fabric filtration device

#127
20050155665
2005-07-21

Respirator filter canisters and method of filling same

#128
20050085144
2005-04-21

Durable charged particle coatings and materials

#129
17229757
2026-06-02

Non-passive anti-viral and nanofilter based respirators