ClassID:

30215

B01D2239/0668 - 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; More than one layer present in the filtering material The layers being joined by heat or melt-bonding

Recent Application in this class:
#1
20260061355
2026-03-05

FILTER MEDIA

#2
20260034486
2026-02-05

TRANSPARENT COMPOSITE NANO-FIBRE BASED MULTI-LAYER TEXTILE

#3
20260014498
2026-01-15

COMPOSITE FILTER BODY

#4
20250375724
2025-12-11

FILTER SYSTEM USABLE AS CELL CULTURE CLARIFICATION FILTER IN PROTEIN PURIFICATION

#5
20250262582
2025-08-21

FILTRATION MEDIA

#6
20250153079
2025-05-15

FILTER MEDIA, ELEMENTS, AND METHODS

#7
20250135762
2025-05-01

METHODS OF CALENDARING AND/OR LAMINATING FIBER WEBS

#8
20250128195
2025-04-24

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

#9
20250128192
2025-04-24

DEPTH FILTER

#10
20240426032
2024-12-26

NON-SHEDDING HYBRID NONWOVENS AND METHOD OF PRODUCING SAME

#11
20240226790
2024-07-11

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#12
20240139662
2024-05-02

Filter media, elements, and methods

#13
20240131462
2024-04-25

AIR-CLEANING FILTER HAVING DUST COLLECTING AND DEODORIZING FUNCTIONS AND PREPARATION METHOD THEREFOR

#14
20230381697
2023-11-30

TUBULAR FILTER WITH NONWOVEN MEDIA AND METHOD

#15
20230271122
2023-08-31

Filtration Body Using Layered Double Hydroxide and Method for Manufacturing Said Filtration Body

#16
20230233968
2023-07-27

PLEATED FILTRATION ASSEMBLY COMPRISING SPUNBONDED PREFILTER

#17
20230158428
2023-05-25

COMPOSITE NON-WOVEN FABRIC AND ARTICLE COMPRISING SAME

#18
20230149840
2023-05-18

Filter medium and breather filter structure

#19
20230114145
2023-04-13

TRANSPARENT COMPOSITE NANO-FIBRE BASED MULTI-LAYER TEXTILE

#20
20230112349
2023-04-13

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

#21
20220410123
2022-12-29

AIR FILTER MEDIA

#22
20220347609
2022-11-03

FILTER MEDIUM AND COMPOSITE FILTER INCLUDING SAME

#23
20220241708
2022-08-04

Method of producing a multilayer filter medium and a filter medium produced in accordance with this method

#24
20220219104
2022-07-14

FILTER MEDIUM FOR FILTER AND FILTER

#25
20220203278
2022-06-30

NONWOVEN FABRIC, NONWOVEN FABRIC MANUFACTURING METHOD, AND FILTER

#26
20220118387
2022-04-21

Filter media, elements, and methods

#27
20220096976
2022-03-31

Depth filter

#28
20220080701
2022-03-17

BIODEGRADABLE FABRICS MADE FROM POLYLACTIC ACID (PLA) FIBERS AND/OR YARNS AND METHODS FOR MAKING THE SAME

#29
20220080342
2022-03-17

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

#30
20220047976
2022-02-17

Filter Medium for Fluid Filtration, a Method for Manufacturing a Filter Medium and a Fluid Filter

#31
20210402326
2021-12-30

GLASS-FREE NONWOVEN COALESCER

#32
20210354062
2021-11-18

Filtration media

#33
20210339176
2021-11-04

FILTER MEDIUM AND A USE THEREOF

#34
20210262130
2021-08-26

NON-SHEDDING HYBRID NONWOVENS AND METHOD OF PRODUCING SAME

#35
20210229011
2021-07-29

ADHESIVE ALLOYS AND FILTER MEDIAS INCLUDING SUCH ADHESIVE ALLOYS

#36
20210229004
2021-07-29

TUBULAR FILTER WITH NONWOVEN MEDIA AND METHOD

#37
20210162333
2021-06-03

Filtration media with extended surface area

#38
20210039028
2021-02-11

Filter reinforcing material and filter medium for deodorizing filter comprising same

#39
20200385919
2020-12-10

Layered Double Hydroxide Molded Body and Method for Manufacturing Same

#40
20200384397
2020-12-10

Filtration Body Using Layered Double Hydroxide and Method for Manufacturing Said Filtration Body

#41
20200330912
2020-10-22

Filter medium and breather filter structure

#42
20200122069
2020-04-23

ELASTOMERIC DEPTH FILTER

#43
20200114291
2020-04-16

Gradient nanofiber filter media

#44
20200061504
2020-02-27

Filter medium and a use thereof

#45
20200023297
2020-01-23

METHOD FOR MANUFACTURING A FILTER MEDIUM, AND FILTER MEDIUM

#46
20200009486
2020-01-09

COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS

#47
20190329169
2019-10-31

HIGHLY EFFICIENT FILTER MEDIUM

#48
20190299133
2019-10-03

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

#49
20190255473
2019-08-22

Filter media, elements, and methods

#50
20190201822
2019-07-04

ELECTROSPUN HIGH TEMPERATURE ELASTOMER MATERIALS FOR WATER FILTER MEDIA

#51
20190184317
2019-06-20

Air filter material

#52
20190134552
2019-05-09

Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter

#53
20190070541
2019-03-07

FILTER MATERIAL AND FILTRATION ASSEMBLY

#54
20180353884
2018-12-13

MULTI-LAYERED FILTER MEDIA

#55
20180326335
2018-11-15

Composite filter media utilizing bicomponent fibers

#56
20180264385
2018-09-20

LOW DEFORMATION FILTER MEDIA

#57
20180243675
2018-08-30

Gradient nanofiber filter media

#58
20180221793
2018-08-09

Depth filtration media with multiple organic and/or inorganic materials

#59
20170348626
2017-12-07

Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter

#60
20170225105
2017-08-10

Filter medium and breather filter structure

#61
20170151514
2017-06-01

AIR FILTER MATERIAL

#62
20170120174
2017-05-04

Thermally bonded multi-layer felt filtration media

#63
20170056836
2017-03-02

Filter element and method for the production thereof

#64
20160288034
2016-10-06

FIBROUS LAMINATE CONTAINING ULTRAFINE FIBERS AND FILTER COMPRISING SAME

#65
20160166961
2016-06-16

Gradient nanofiber filter media

#66
20160051919
2016-02-25

Multi-layered filter media

#67
20140366732
2014-12-18

Filter media and elements

#68
20140332476
2014-11-13

Elastomeric depth filter

#69
20140197094
2014-07-17

Filter medium and breather filter structure

#70
20140190353
2014-07-10

Filter media with improved conductivity

#71
20140110354
2014-04-24

Composite filter media utilizing bicomponent fibers

#72
20130305671
2013-11-21

Filter medium

#73
20130263738
2013-10-10

High temperature filter

#74
20130153517
2013-06-20

Multi-ply filter medium

#75
20130140228
2013-06-06

Filter material for fluids and method for producing a filter material

#76
20130008846
2013-01-10

Filter medium and breather filter structure

#77
20120312738
2012-12-13

Filter medium and breather filter structure

#78
20120211411
2012-08-23

Extended Area Filter

#79
20120061012
2012-03-15

SUPPORT SUBSTRATE FOR SEPARATION MEMBRANE

#80
20120042648
2012-02-23

CONFIGURATION HAVING A PROTECTED TURBOCHARGER IN AN EXHAUST GAS RECIRCULATION LINE AND MOTOR VEHICLE HAVING THE CONFIGURATION

#81
20110309012
2011-12-22

Filter medium and breather filter structure

#82
20110265312
2011-11-03

Filter media with improved conductivity

#83
20110232835
2011-09-29

Filter with EPTFE and method of forming

#84
20110215046
2011-09-08

Filter medium and structure

#85
20110210081
2011-09-01

FINE FIBER LIQUID PARTICULATE FILTER MEDIA

#86
20110210061
2011-09-01

COMPRESSED NANOFIBER COMPOSITE MEDIA

#87
20110210060
2011-09-01

EXPANDED COMPOSITE FILTER MEDIA INCLUDING NANOFIBER MATRIX AND METHOD

#88
20110210059
2011-09-01

Non-pleated tubular depth filter having fine fiber filtration media

#89
20110139008
2011-06-16

PTFE pleated filter element

#90
20110064928
2011-03-17

NONWOVEN MATERIAL

#91
20110062077
2011-03-17

Filter with ePTFE and method of forming

#92
20110044859
2011-02-24

Synthesis reaction system for hydrocarbon compound, and method of removing powdered catalyst particles

#93
20110042316
2011-02-24

Liquid filtration media

#94
20110031191
2011-02-10

Filter material for removing aggregates and method of filtering blood product

#95
20110016838
2011-01-27

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

#96
20100307659
2010-12-09

Filter media and system and method of manufacturing the same

#97
20100307338
2010-12-09

Filter medium

#98
20100300295
2010-12-02

Air Filter And Air Filter Assembly For Vacuum Cleaner With The Air Filter

#99
20100300054
2010-12-02

Activated protective fabric

#100
20100212071
2010-08-26

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

#101
20100206803
2010-08-19

Multi-layer, fluid transmissive fiber structures containing nanofibers and a method of manufacturing such structures

#102
20100206802
2010-08-19

WELDED STRUCTURE OF SYNTHETIC RESIN MESH, WOVEN FABRIC, KNITTED FABRIC, AND NON-WOVEN CLOTH; FUEL FILTER BODY; AND WELDING METHOD

#103
20100146921
2010-06-17

Nonwoven fabric for filters

#104
20100140164
2010-06-10

USE OF A MATERIAL AS A FILTER BASE MATERIAL, A METHOD FOR FABRICATING A FILTER BASE MATERIAL, A FILTER BASE MATERIAL AND A FILTER

#105
20100101199
2010-04-29

Layer for use in a HEPA filter element

#106
20100095846
2010-04-22

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

#107
20100028635
2010-02-04

EDGE LAMINATED ROLL GOODS

#108
20090301308
2009-12-10

Filter Arrangement for Fuel Cell

#109
20090266233
2009-10-29

Filter bag for a vacuum cleaner and also use thereof

#110
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

#111
20090175768
2009-07-09

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

#112
20090173228
2009-07-09

Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines

#113
20090152191
2009-06-18

Nonwovens, tufted nonwovens, and articles containing the same

#114
20090120868
2009-05-14

Transmission oil filter comprising a melt blown layer at the downstream side

#115
20090078119
2009-03-26

Air Filter and System

#116
20090071151
2009-03-19

Configuration having a protected turbocharger in an exhaust gas recirculation line and motor vehicle having the configuration

#117
20090026137
2009-01-29

Liquid filtration media

#118
20090019825
2009-01-22

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

#119
20080314011
2008-12-25

Filter element including a composite filter media

#120
20080314010
2008-12-25

Composite filter media

#121
20080314005
2008-12-25

Vacuum cleaner filter bag and use of said bag

#122
20080302074
2008-12-11

Multiple layer filter media

#123
20080274312
2008-11-06

Bag house filters and media

#124
20080245041
2008-10-09

Filter with ePTFE and method of forming

#125
20080217239
2008-09-11

Liquid filtration media

#126
20080156720
2008-07-03

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

#127
20080138596
2008-06-12

Support substrate for separation membrane

#128
20080017038
2008-01-24

HIGH EFFICIENCY HVAC FILTER

#129
20070295659
2007-12-27

Filters and methods of manufacturing the same

#130
20070251876
2007-11-01

Hybrid filter element and method

#131
20070227981
2007-10-04

Contaminant-reactive geocomposite mat and method of manufacture and use

#132
20070227359
2007-10-04

Product and method of forming a gradient density fibrous filter

#133
20070175195
2007-08-02

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

#134
20070065658
2007-03-22

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

#135
20070059542
2007-03-15

Contaminant-reactive geocomposite mat and method of manufacture and use

#136
20070042665
2007-02-22

Micro-porous non-woven fabric and fabricating method thereof

#137
20070028767
2007-02-08

Filter media with improved conductivity

#138
20070028573
2007-02-08

Air-cleaner filter material for internal combustion engine and air-cleaner element

#139
20060286888
2006-12-21

Contaminant-reactive geocomposite mat and method of manufacture and use

#140
20060242933
2006-11-02

Filter medium and breather filter structure

#141
20060157541
2006-07-20

Filter, liquid discharge head utilizing the same, and producing method therefor

#142
20060096910
2006-05-11

Hybrid fabric filtration device

#143
20060068668
2006-03-30

Microfiber supported nanofiber membrane

#144
20060011536
2006-01-19

Flow adjusting mechanism

#145
20050103707
2005-05-19

Contaminant-reactive geocomposite mat and method of manufacture and use

#146
20050087286
2005-04-28

Manufacturing process of a Teflon dual-direction extending film filtration nonwoven (I)