ClassID:

30176

B01D2239/0216 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Types of fibres, filaments or particles, self-supporting or supported materials Bicomponent or multicomponent fibres

Sub-classes:
Recent Application in this class:
#1
20260117433
2026-04-30

SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS

#2
20260097341
2026-04-09

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

#3
20260091333
2026-04-02

FILTERS WITH MECHANICAL AND ELECTROSTATIC FILTERING CAPABILITIES

#4
20250339799
2025-11-06

FILTER MEDIA, TRIBOELECTRICALLY CHARGED FIBERS THEREOF, AND METHODS FOR THE SAME

#5
20250325929
2025-10-23

FILTER MEDIA FOR WATER FILTRATION

#6
20250196158
2025-06-19

AIR FILTER UNIT AND USE OF THE AIR FILTER UNIT IN A MOTOR VEHICLE

#7
20250196035
2025-06-19

Filter Material and Method for Providing a Filter Material

#8
20250170509
2025-05-29

FILTER MEDIUM COMPRISING A FINE FIBER LAYER

#9
20250170508
2025-05-29

LIQUID FILTRATION MEDIA CONTAINING MELT-BLOWN FIBERS

#10
20250100008
2025-03-27

NANOPARTICLE FEED SYSTEMS FOR MANUFACTURING FILTER MEDIA

#11
20250090985
2025-03-20

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

#12
20250050257
2025-02-13

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

#13
20240367076
2024-11-07

LAMINATED SHEET, CYLINDRICAL FILTER ELEMENT, AND FILTRATION KIT USED TO PERFORM WATER FILTRATION

#14
20240326017
2024-10-03

FIBER-ENCAPSULATED HYBRID MATERIALS FOR CAPTURE OF CARBON DIOXIDE

#15
20240299870
2024-09-12

SEAMLESS FILTRATION MEDIA AND METHODS OF USE

#16
20240246012
2024-07-25

FILTRATION MEDIA WITH THERMALLY SPLITTABLE BICOMPONENT FIBERS

#17
20240229312
2024-07-11

HIGH TEMPERATURE TREATED MEDIA

#18
20240198261
2024-06-20

FILTER MESH

#19
20240133092
2024-04-25

HIGH TEMPERATURE TREATED MEDIA

#20
20240040716
2024-02-01

Pressure equalising device and housing comprising the pressure equalising device

#21
20230364546
2023-11-16

FILTER ELEMENT WITH IMPROVED DUST LOADING

#22
20230356124
2023-11-09

INTAKE FILTER FOR VEHICLE AND MANUFACTURING METHOD THEREOF

#23
20230347268
2023-11-02

VACUUM-CLEANER FILTER BAG MADE FROM RECYCLED PLASTICS

#24
20230330451
2023-10-19

FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME

#25
20230323576
2023-10-12

SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS

#26
20230323055
2023-10-12

SYSTEMS AND METHODS FOR RETAINING NANOPARTICLES WITHIN NONWOVEN MATERIAL

#27
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#28
20230321575
2023-10-12

FILTRATION MEDIA INCORPORATING NANOPARTICLES AND LARGE LINEAR DENSITY FIBERS

#29
20230321573
2023-10-12

SYSTEMS AND METHODS OF MAKING PRODUCTS CONTAINING FIBROUS MATERIAL

#30
20230321572
2023-10-12

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

#31
20230321571
2023-10-12

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

#32
20230321570
2023-10-12

SYSTEMS AND METHODS FOR CONTINUOUS PRODUCTION OF FIBROUS MATERIALS AND NANOPARTICLES

#33
20230321569
2023-10-12

FILTERS WITH MECHANICAL AND ELETROSTATIC FILTERING CAPABILITIES

#34
20230173215
2023-06-08

MEDICAL AIRWAY DEVICE

#35
20230149840
2023-05-18

Filter medium and breather filter structure

#36
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

#37
20230081385
2023-03-16

Barrier vent assembly

#38
20230026227
2023-01-26

SPUNBOND NON-WOVEN FABRIC, FILTER LAMINATED FILTER MATERIAL, FILTER MATERIAL FOR PLEATED FILTER FOR DUST COLLECTOR, PLEATED FILTER FOR DUST COLLECTOR, AND MEDIUM AIR VOLUME PULSE-JET TYPE DUST COLLECTOR

#39
20230021769
2023-01-26

FILTRATION COMPOSITES

#40
20230018302
2023-01-19

FILTRATION MEDIA

#41
20230017656
2023-01-19

COMPOSITE FIBER

#42
20230012056
2023-01-12

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

#43
20220379249
2022-12-01

Filter medium comprising a fine fiber layer

#44
20220372666
2022-11-24

CORE-SHEATH FIBERS, NONWOVEN FIBROUS WEB, AND RESPIRATOR INCLUDING THE SAME

#45
20220347611
2022-11-03

HIGH PARTICLE CAPTURE MOISTURE ABSORBING FABRIC

#46
20220203278
2022-06-30

NONWOVEN FABRIC, NONWOVEN FABRIC MANUFACTURING METHOD, AND FILTER

#47
20220193588
2022-06-23

UNDULATED FILTER MEDIA

#48
20220096976
2022-03-31

Depth filter

#49
20220080342
2022-03-17

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

#50
20220062807
2022-03-03

ANTIVIRAL GLASS FIBER TREATMENT, PROCESS AND METHOD OF MANUFACTURING

#51
20220040615
2022-02-10

FACE MASK

#52
20220025559
2022-01-27

Systems and methods for thermally bonding fiber

#53
20220008845
2022-01-13

WASHING MACHINE WITH FILTER GROUP

#54
20210394097
2021-12-23

FILTER MATERIAL FOR AUTOMATIC TRANSMISSION OIL FILTER

#55
20210362082
2021-11-25

FACE MASK WITH FILTER MEDIUM FROM MULTICOMPONENT FILAMENTS

#56
20210362081
2021-11-25

High temperature treated media

#57
20210339176
2021-11-04

FILTER MEDIUM AND A USE THEREOF

#58
20210322906
2021-10-21

Liquid filtration media containing melt-blown fibers

#59
20210308605
2021-10-07

SOLID-LIQUID SEPARATION DEVICE AND FILTRATION DEVICE

#60
20210236970
2021-08-05

Filter media including flame retardant fibers

#61
20210213378
2021-07-15

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

#62
20210154607
2021-05-27

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

#63
20210129060
2021-05-06

Filter medium, method for producing same and the filter medium in a filter element

#64
20210086985
2021-03-25

Capsules and other containers with optimized recycling attributes and methods for making same

#65
20210047106
2021-02-18

Capsules and other containers with optimized recycling attributes and methods for making same

#66
20210009342
2021-01-14

Capsules and other containers with optimized recycling attributes and methods for making same

#67
20210008476
2021-01-14

INTAKE FILTER FOR VEHICLE AND MANUFACTURING METHOD THEREOF

#68
20200398203
2020-12-24

Barrier vent assembly

#69
20200398200
2020-12-24

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

#70
20200354869
2020-11-12

Nonwoven web with bimodal fiber distribution

#71
20200330912
2020-10-22

Filter medium and breather filter structure

#72
20200254372
2020-08-13

NONWOVEN AIR FILTRATION MEDIUM

#73
20200139282
2020-05-07

SPUNBOND NON-WOVEN FABRIC FOR FILTER AND METHOD OF MANUFACTURING SAID FABRIC

#74
20200061504
2020-02-27

Filter medium and a use thereof

#75
20200054977
2020-02-20

Spun-bonded fabric material, object comprising a spun-bonded fabric material, filter medium, filter element, and use thereof

#76
20200030728
2020-01-30

WOVEN GEOTEXTILE FILTRATION FABRICS INCLUDING CORE-SHEATH SPUN YARNS

#77
20200024781
2020-01-23

Filter medium, filter element and use thereof and filter arrangement

#78
20200009486
2020-01-09

COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS

#79
20190388815
2019-12-26

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

#80
20190209955
2019-07-11

METHOD FOR PRODUCING A THREEDIMENSIONAL SPONGE BASED ON NANOFIBERS

#81
20190153641
2019-05-23

NONWOVEN WEB WITH BIMODAL FIBER DISTRIBUTION

#82
20190126176
2019-05-02

Filter medium, method of manufacturing the same and uses thereof

#83
20190062952
2019-02-28

LOW-ELUTION POLYETHYLENE-BASED FIBERS AND NONWOVEN FABRIC USING SAME

#84
20190054405
2019-02-21

Filter media pack, filter assembly, and method

#85
20190009199
2019-01-10

YARN WITH MULTI-DIRECTIONAL LAYERED FIBERS

#86
20180361287
2018-12-20

FILTER MEDIA INCLUDING A MULTI-PHASE PRE-FILTER

#87
20180353883
2018-12-13

Nonwoven fabric and air filter including same

#88
20180326335
2018-11-15

Composite filter media utilizing bicomponent fibers

#89
20180280844
2018-10-04

Filter medium having excellent heat resistance

#90
20180237315
2018-08-23

Portable water-purifying pouch

#91
20180178149
2018-06-28

MULTI-LAYER FILTER FABRIC

#92
20180043291
2018-02-15

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

#93
20180021713
2018-01-25

Barrier vent assembly

#94
20180015405
2018-01-18

Waved filter media and elements

#95
20170362748
2017-12-21

BELT EDGE

#96
20170354907
2017-12-14

Woven geotextile filtration fabrics including core-sheath spun yarns

#97
20170233911
2017-08-17

NONWOVEN WEB WITH BIMODAL FIBER DISTRIBUTION

#98
20170232372
2017-08-17

Filter media including flame retardant fibers

#99
20170225105
2017-08-10

Filter medium and breather filter structure

#100
20170225104
2017-08-10

Spunbond polycarbonate resin filter media

#101
20170173511
2017-06-22

Method for retrovirus removal

#102
20170173510
2017-06-22

Non-woven filtration material and air cleaner element

#103
20170120175
2017-05-04

Geosynthetic composite for filtration and drainage of fine-grained geomaterials

#104
20170036218
2017-02-09

SELF-SUPPORT ELECTROSTATIC FILTER AND A FILTERING DEVICE THEREOF

#105
20170036147
2017-02-09

FILTERS COMPRISING MICROBIALLY-PRODUCED CELLULOSE

#106
20150328401
2015-11-19

Pivoting joint infusion system with seal

#107
20150182893
2015-07-02

Filter media suitable for hydraulic applications

#108
20150140333
2015-05-21

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

#109
20150121823
2015-05-07

Waved filter media and elements

#110
20150114230
2015-04-30

Pleatable filter media

#111
20150013295
2015-01-15

Blended nonwoven fabric, filter medium, and filter unit

#112
20140197094
2014-07-17

Filter medium and breather filter structure

#113
20140110354
2014-04-24

Composite filter media utilizing bicomponent fibers

#114
20130327218
2013-12-12

Filter media pack, filter assembly, and method

#115
20130305671
2013-11-21

Filter medium

#116
20130288555
2013-10-31

Nonwoven web and fibers with electret properties, manufacturing processes thereof and their use

#117
20130030340
2013-01-31

Nonwoven fibrous webs containing chemically active particulates and methods of making and using same

#118
20130025245
2013-01-31

Waved filter media and elements

#119
20130008846
2013-01-10

Filter medium and breather filter structure

#120
20130008006
2013-01-10

Formed filter element

#121
20120312738
2012-12-13

Filter medium and breather filter structure

#122
20120312734
2012-12-13

Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse

#123
20120234748
2012-09-20

High temperature treated media

#124
20120186452
2012-07-26

Multiple Layer HEPA Filter and Method of Manufacture

#125
20120135234
2012-05-31

BIODEGRADABLE NANOFIBERS AND IMPLEMENTATIONS THEREOF

#126
20120061332
2012-03-15

Method for retrovirus removal

#127
20120061012
2012-03-15

SUPPORT SUBSTRATE FOR SEPARATION MEMBRANE

#128
20120048797
2012-03-01

FIBER WEB HAVING A HIGH STIFFNESS

#129
20120017763
2012-01-26

Filtration media and applications thereof

#130
20110309012
2011-12-22

Filter medium and breather filter structure

#131
20110259818
2011-10-27

FILTER MEDIA FOR LIQUID PURIFICATION TO REMOVE TRACE METALS

#132
20110232835
2011-09-29

Filter with EPTFE and method of forming

#133
20110215046
2011-09-08

Filter medium and structure

#134
20110138685
2011-06-16

Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse

#135
20110112481
2011-05-12

Pivoting joint infusion system with seal

#136
20110062077
2011-03-17

Filter with ePTFE and method of forming

#137
20110039690
2011-02-17

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

#138
20110016839
2011-01-27

Trackified air filtration media and a self-supporting filter having improved stiffness and foldability

#139
20110016838
2011-01-27

High performance gas turbine inlet filter (HEPA) using membrane media

#140
20100326907
2010-12-30

Method and device for removing contaminates from fluid-material

#141
20100326902
2010-12-30

Laminated Filtration Media

#142
20100319310
2010-12-23

Fiber web having a high stiffness

#143
20100307338
2010-12-09

Filter medium

#144
20100252510
2010-10-07

Filter media suitable for hydraulic applications

#145
20100240121
2010-09-23

Electrospun nanofibrous membrane assembly for use in capturing chemical and/or biological analytes

#146
20100236202
2010-09-23

Filter medium

#147
20100218471
2010-09-02

HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media

#148
20100212272
2010-08-26

FILTER MEDIA SUITABLE FOR ASHRAE APPLICATIONS

#149
20100193145
2010-08-05

Polyareneazole/thermoset pulp and methods of making same

#150
20100180558
2010-07-22

NONWOVEN FABRIC FOR CYLINDRICAL BAG FILTER, PROCESS FOR PRODUCING THE SAME, AND CYLINDRICAL BAG FILTER THEREFROM

#151
20100173070
2010-07-08

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

#152
20100117251
2010-05-13

Process of making natural tourmaline fiber and filter

#153
20100107881
2010-05-06

Waved filter media and elements

#154
20100095846
2010-04-22

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

#155
20100092721
2010-04-15

Process to manufacture tufted backing materials

#156
20100058589
2010-03-11

Structured material web having a multi-dimensional structure, and method for the production thereof

#157
20100031619
2010-02-11

Filter media including silicone and/or wax additive(s)

#158
20100028221
2010-02-04

Fibrous structure and particulate filter type exhaust gas purifying catalyst

#159
20100024695
2010-02-04

Fabrics

#160
20090312731
2009-12-17

Nonwoven Melt-Blown Product

#161
20090298371
2009-12-03

WOVEN FABRIC

#162
20090277836
2009-11-12

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

#163
20090266233
2009-10-29

Filter bag for a vacuum cleaner and also use thereof

#164
20090218292
2009-09-03

Methods of treating water

#165
20090218291
2009-09-03

Methods for treating water

#166
20090199715
2009-08-13

FILTER TUBE

#167
20090163102
2009-06-25

Non-woven webs and methods of manufacturing the same

#168
20090143227
2009-06-04

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

#169
20090117798
2009-05-07

Sheet for use as filter, mask or the like having bacteria adsorbing function

#170
20090078119
2009-03-26

Air Filter and System

#171
20090065436
2009-03-12

Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse

#172
20090050578
2009-02-26

FORMED FILTER ELEMENT

#173
20090044702
2009-02-19

Filter element and method

#174
20090019825
2009-01-22

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

#175
20080315465
2008-12-25

METHOD OF MANUFACTURING COMPOSITE FILTER MEDIA

#176
20080315464
2008-12-25

Method of manufacturing a composite filter media

#177
20080314011
2008-12-25

Filter element including a composite filter media

#178
20080314010
2008-12-25

Composite filter media

#179
20080245041
2008-10-09

Filter with ePTFE and method of forming

#180
20080230471
2008-09-25

FUNCTIONAL FILTER MEDIUM

#181
20080217241
2008-09-11

COMPOSITE FILTER MEDIA AND METHODS OF MANUFACTURE

#182
20080156743
2008-07-03

Hazardous substance removing material, method for removing hazardous substances, and nonwoven fabric

#183
20080138596
2008-06-12

Support substrate for separation membrane

#184
20080120954
2008-05-29

Tackified And Non-Tackified Nonwovens Of Controlled Stiffness And Retained Foldability

#185
20080078152
2008-04-03

Filter media and devices for high temperature filtration and methods

#186
20080023394
2008-01-31

Medical Filter Material, and Extracorporeal Circulation Column and Blood Filter Utilizing the Filter Material

#187
20080022645
2008-01-31

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

#188
20070295659
2007-12-27

Filters and methods of manufacturing the same

#189
20070259178
2007-11-08

Natural tourmaline anion fiber and filter and producing method

#190
20070227359
2007-10-04

Product and method of forming a gradient density fibrous filter

#191
20070175195
2007-08-02

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

#192
20070137819
2007-06-21

Polyareneazole/thermoset pulp and methods of making same

#193
20070062887
2007-03-22

Space optimized coalescer

#194
20070042665
2007-02-22

Micro-porous non-woven fabric and fabricating method thereof

#195
20060242933
2006-11-02

Filter medium and breather filter structure

#196
20060241551
2006-10-26

Pivoting joint infusion system with steal

#197
20060237375
2006-10-26

Bonded fiber structures for use in blood separation

#198
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#199
20060148066
2006-07-06

Electrospun nanofibrous membrane assembly for use in capturing chemical and/or biological analytes

#200
20060037686
2006-02-23

Methods and systems for selectively connecting and disconnecting conductors in a fabric

#201
20050268817
2005-12-08

Electro-chargeable fiber, nonwoven fabric and nonwoven product thereof

#202
20050160709
2005-07-28

High efficiency air filter and method of forming