ClassID:

30206

B01D2239/0627 - 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 Spun-bonded

Recent Application in this class:
#1
20260126021
2026-05-07

FILTER MEDIUM AND METHOD OF PRODUCTION THEREOF

#2
20260124565
2026-05-07

FILTER MEDIA AND LIQUID FILTERS

#3
20260117436
2026-04-30

MELTBLOWN MATERIAL FORMED FROM BICOMPONENT POLYOLEFIN AND POLYESTER FIBERS

#4
20260097341
2026-04-09

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

#5
20260061355
2026-03-05

FILTER MEDIA

#6
20260042042
2026-02-12

FILTER MEDIUM AND METHOD OF PRODUCING A FILTER MEDIUM

#7
20260007910
2026-01-08

ENHANCED FACE MASKS FOR IMPROVED EFFICACY AND USABILITY

#8
20250339799
2025-11-06

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

#9
20250276264
2025-09-04

SELF-SUPPORTING FILTER MEDIA

#10
20250262582
2025-08-21

FILTRATION MEDIA

#11
20250249384
2025-08-07

MULTILAYERED MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS

#12
20250242094
2025-07-31

FILTER ASSEMBLY AND CONTAINER FOR COLLECTING BLOOD CONTAINING THE SAME

#13
20250196035
2025-06-19

Filter Material and Method for Providing a Filter Material

#14
20250194715
2025-06-19

Facemasks with Material Layers for Enhanced Bonding Process

#15
20250170509
2025-05-29

FILTER MEDIUM COMPRISING A FINE FIBER LAYER

#16
20250163621
2025-05-22

BIODEGRADABLE AND HYDROPHOBIC POLYLACTIC ACID (PLA ) NON-WOVEN MATERIAL AND PROCESS FOR MANUFACTURING THEREOF

#17
20250100008
2025-03-27

NANOPARTICLE FEED SYSTEMS FOR MANUFACTURING FILTER MEDIA

#18
20250090985
2025-03-20

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

#19
20250083409
2025-03-13

MULTILAYER NONWOVEN STRUCTURE

#20
20250065253
2025-02-27

HIGH TRANSMISSION AIR FILTRATION MEDIA AND TRANSPARENT FACE MASK

#21
20250010228
2025-01-09

Air-Filter Media Including a Relofted Spunbonded Web, and Methods of Making and Using

#22
20240390829
2024-11-28

HIGH EFFICIENCY FILTER MEDIA, MEDIA PACKS, AND FILTER ELEMENTS

#23
20240384451
2024-11-21

CHARGED NONWOVEN MATERIAL

#24
20240269494
2024-08-15

FACE COVERING

#25
20240237765
2024-07-18

Antibacterial and antiviral degradable mask and manufacturing method thereof

#26
20240226790
2024-07-11

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

#27
20240207765
2024-06-27

VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS

#28
20240131462
2024-04-25

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

#29
20240100455
2024-03-28

FILTERS WITH ELECTROSTATIC FILTERING CAPABILITIES

#30
20240082609
2024-03-14

FILTRATION ELEMENT AND USES THEREOF

#31
20240024805
2024-01-25

FILTER

#32
20240017099
2024-01-18

MASK

#33
20230405497
2023-12-21

Method and apparatus for producing a filter device

#34
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#35
20230321575
2023-10-12

FILTRATION MEDIA INCORPORATING NANOPARTICLES AND LARGE LINEAR DENSITY FIBERS

#36
20230321571
2023-10-12

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

#37
20230321568
2023-10-12

FILTRATION MEDIA AND FILTERS

#38
20230302386
2023-09-28

POSITIVELY CHARGED FILTER MATERIAL WITH ABILITY FOR REMOVING CHARGED PARTICLES EFFICIENTLY, AND METHOD FOR PRODUCING SAME

#39
20230285876
2023-09-14

OIL AND FUEL COLLECTOR

#40
20230243089
2023-08-03

Method of treating a textile with graphene and textile so obtained

#41
20230241541
2023-08-03

ZIGZAG-FOLDED NONWOVEN MATERIAL

#42
20230241427
2023-08-03

IMPROVED FILTERING MASK

#43
20230233968
2023-07-27

PLEATED FILTRATION ASSEMBLY COMPRISING SPUNBONDED PREFILTER

#44
20230225430
2023-07-20

TEXTILE ARTICLE COMPRISING GRAPHENE AND FILTERS COMPRISING SAID TEXTILE ARTICLE

#45
20230211190
2023-07-06

ANTI-PROPYLENE MASK AND METHOD FOR PREPARATION THEREOF

#46
20230201635
2023-06-29

RESPIRATOR MASK

#47
20230173215
2023-06-08

MEDICAL AIRWAY DEVICE

#48
20230158428
2023-05-25

COMPOSITE NON-WOVEN FABRIC AND ARTICLE COMPRISING SAME

#49
20230140087
2023-05-04

COMPOSITE NONWOVEN FABRIC AND ARTICLE COMPRISING SAME

#50
20230124690
2023-04-20

HIGH EFFICIENCY FILTER MEDIA

#51
20230085459
2023-03-16

ANTIMICROBIAL FILTER MEDIA, PREPARATION METHOD THEREOF, AND AIR CLEANER COMPRISING SAME

#52
20230077113
2023-03-09

COMPOSITIONS FOR REDUCING INHALATION OF TOXIC AIR POLLUTION COMPONENTS

#53
20230074586
2023-03-09

Filter Assembly and Container for Collecting a Body Fluid Containing the Same

#54
20230046361
2023-02-16

Spunbond non-woven fabric, filter material for pleated filter for dust collector, pleated filter for dust collector, and large air volume pulse-jet type dust collector

#55
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

#56
20230025717
2023-01-26

Filter media with irregular structure

#57
20230012056
2023-01-12

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

#58
20230001339
2023-01-05

MASK COMPRISING REUSABLE SHELL AND FILTER INSERT

#59
20220410123
2022-12-29

AIR FILTER MEDIA

#60
20220410046
2022-12-29

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

#61
20220410045
2022-12-29

THIOLATE SALT MELT ADDITIVES

#62
20220387915
2022-12-08

FILTER MEDIA LAYERS INCLUDING MIXED DIAMETER FINE FIBERS

#63
20220379249
2022-12-01

Filter medium comprising a fine fiber layer

#64
20220355002
2022-11-10

BLOOD PROCESSING FILTER, METHOD FOR PRODUCING SAME, AND METHOD FOR REMOVING LEUKOCYTE

#65
20220347609
2022-11-03

FILTER MEDIUM AND COMPOSITE FILTER INCLUDING SAME

#66
20220266181
2022-08-25

Spunbonded Air-Filtration Web

#67
20220219105
2022-07-14

NANOFIBER FILTER MATERIAL AND RESPERATORY SYSTEM AND AIR FILTERING ARTICLE

#68
20220219104
2022-07-14

FILTER MEDIUM FOR FILTER AND FILTER

#69
20220203330
2022-06-30

FIBRILLATED BICOMPONENT FIBERS AND METHODS OF MAKING AND USES THEREOF

#70
20220126233
2022-04-28

Channel-framed, pleated air filter with bridging filaments

#71
20220105453
2022-04-07

ELECTRET-CONTAINING FILTER MEDIA

#72
20220096977
2022-03-31

Multi-layer, biodegradable composites for air filtration

#73
20220096878
2022-03-31

AIR FILTER

#74
20220080342
2022-03-17

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

#75
20220072457
2022-03-10

VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH

#76
20220032096
2022-02-03

FACEMASK FILTER ASSEMBLY

#77
20220001048
2022-01-06

MATERIALS AND METHODS FOR PHOTOTHERMALLY SELF-DISINFECTING RESPIRATORS

#78
20210370201
2021-12-02

METHOD OF MANUFACTURING A GRADIENT DENSITY, THERMALLY BONDED, CONVOLUTED ROLL DEPTH FILTER CARTRIDGE

#79
20210362101
2021-11-25

FILTER MATERIAL

#80
20210362082
2021-11-25

FACE MASK WITH FILTER MEDIUM FROM MULTICOMPONENT FILAMENTS

#81
20210354062
2021-11-18

Filtration media

#82
20210322908
2021-10-21

FILTERS AND FACEMASKS HAVING ANTIMICROBIAL OR ANTIVIRAL PROPERTIES

#83
20210322801
2021-10-21

WASHABLE AND REUSABLE FACE MASK WITH REPLACEABLE FILTER

#84
20210322796
2021-10-21

Face mask

#85
20210316238
2021-10-14

NONWOVEN MATERIAL FOR FILTRATION AND METHOD OF MAKING THE SAME

#86
20210308610
2021-10-07

Air-filter media including a relofted spunbonded web, and methods of making and using

#87
20210291094
2021-09-23

Filter media including adhesives

#88
20210283541
2021-09-16

Spun-bonded nonwoven fabric and air filter constituted from spun-bonded nonwoven fabric

#89
20210252207
2021-08-19

Virus-collecting filter for medical aspirator system

#90
20210229022
2021-07-29

Pleated air filter with bridging filaments and continuous-contact filaments

#91
20210229012
2021-07-29

Air-filter media comprising a relofted spunbonded web, and methods of making and using

#92
20210187176
2021-06-24

FILTER ASSEMBLY AND CONTAINER FOR COLLECTING BLOOD CONTAINING THE SAME

#93
20210154606
2021-05-27

EFFICIENT LOW-RESISTANCE MICRO-NANO-FIBER MICROSCOPIC GRADIENT STRUCTURE FILTRATION MATERIAL, AND PREPARATION METHOD THEREFOR

#94
20210129060
2021-05-06

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

#95
20210031129
2021-02-04

CLEANABLE FILTER MEDIUM

#96
20210016214
2021-01-21

FILTER ELEMENT CONFIGURATIONS

#97
20210016213
2021-01-21

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

#98
20200398200
2020-12-24

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

#99
20200391147
2020-12-17

FILTER MEDIUM

#100
20200324235
2020-10-15

FILTER MEDIUM WITH NON-WOVEN AS SINGLE-LAYER FIBER COMPOSITE AND METHOD FOR PRODUCING SUCH A FILTER MEDIUM

#101
20200238111
2020-07-30

COMPOSITIONS FOR REDUCING INHALATION OF TOXIC AIR POLLUTION COMPONENTS

#102
20200139282
2020-05-07

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

#103
20200139281
2020-05-07

Filter media with irregular structure

#104
20200122071
2020-04-23

Air filters comprising polymeric sorbents for aldehydes

#105
20200122069
2020-04-23

ELASTOMERIC DEPTH FILTER

#106
20200122068
2020-04-23

Fine fiber media layer

#107
20200054977
2020-02-20

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

#108
20200024781
2020-01-23

Filter medium, filter element and use thereof and filter arrangement

#109
20200023299
2020-01-23

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#110
20190344204
2019-11-14

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

#111
20190217239
2019-07-18

Channel-framed, pleated air filter with bridging filaments

#112
20190209954
2019-07-11

IMPROVED ROOM AIR PURIFIERS AND FILTRATION MEDIA

#113
20190176069
2019-06-13

FILTER ELEMENT OF A FILTER, MULTILAYER FILTER MEDIUM OF A FILTER AND FILTER

#114
20190119152
2019-04-25

System and Method of Continuous Glass Filament Manufacture

#115
20190000162
2019-01-03

Facemasks with material layers for enhanced bonding process

#116
20180236385
2018-08-23

ELECTRET-CONTAINING FILTER MEDIA

#117
20180044230
2018-02-15

Preparation For Fiberglass Air Filtration Media

#118
20170319993
2017-11-09

Fine fiber media layer

#119
20170281993
2017-10-05

Compositions for reducing inhalation of toxic air pollution components

#120
20170239601
2017-08-24

Stretchable laminated filter material and protective article

#121
20170225104
2017-08-10

Spunbond polycarbonate resin filter media

#122
20170157543
2017-06-08

FINE FIBERS MADE FROM POLYMER CROSSLINKED WITH RESINOUS ALDEHYDE COMPOSITION

#123
20170121875
2017-05-04

Electret webs with charge-enhancing additives

#124
20170114762
2017-04-27

Fuel filter employing one or more layers of wetlaid synthetic fibers

#125
20170080369
2017-03-23

Remote fluorination of fibrous filter webs

#126
20170065917
2017-03-09

NON-WOVEN FIBER FABRIC, AND PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR

#127
20170016157
2017-01-19

Nonwoven fabric sheet, and extraction filter and extraction bag using the same

#128
20160332907
2016-11-17

Preparation for fiberglass air filtration media

#129
20160279549
2016-09-29

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

#130
20140332476
2014-11-13

Elastomeric depth filter

#131
20140299556
2014-10-09

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

#132
20140231337
2014-08-21

Filter material

#133
20140196420
2014-07-17

Fine fiber media layer

#134
20140190353
2014-07-10

Filter media with improved conductivity

#135
20130192344
2013-08-01

Aerosol generator for EPTFE filter testing and method of use

#136
20130186179
2013-07-25

ePTFE filter for aseptic pharmaceutical use and method of using

#137
20130174736
2013-07-11

Waterproof and salt repellant media and filter

#138
20130068687
2013-03-21

Fine fibers made from polymer crosslinked with resinous aldehyde composition

#139
20130008850
2013-01-10

FILTER ELEMENT FOR FINE PURIFICATION OF RAW MILK

#140
20130001154
2013-01-03

Fine fiber media layer

#141
20120204527
2012-08-16

Fine fiber media layer

#142
20120186452
2012-07-26

Multiple Layer HEPA Filter and Method of Manufacture

#143
20120171913
2012-07-05

High loft spunbonded web

#144
20120097037
2012-04-26

Air filter material using laminated electret nonwoven fabric

#145
20120097035
2012-04-26

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#146
20110265312
2011-11-03

Filter media with improved conductivity

#147
20110232653
2011-09-29

ANTIMICROBIAL, DUSTPROOF FABRIC AND MASK

#148
20110180469
2011-07-28

Fuel filter

#149
20110162653
2011-07-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#150
20110114573
2011-05-19

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

#151
20110067369
2011-03-24

Fine fiber media layer

#152
20110031191
2011-02-10

Filter material for removing aggregates and method of filtering blood product

#153
20110016838
2011-01-27

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

#154
20110000845
2011-01-06

High loft spunbonded web

#155
20100326902
2010-12-30

Laminated Filtration Media

#156
20100320150
2010-12-23

LIQUID FILTRATION

#157
20100269465
2010-10-28

Nonwoven for air filtration and a preparation method thereof

#158
20100252047
2010-10-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#159
20100178507
2010-07-15

Polyamide Fine Fibers

#160
20100162895
2010-07-01

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

#161
20100095846
2010-04-22

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

#162
20100064645
2010-03-18

Fine fiber media layer

#163
20100035119
2010-02-11

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

#164
20100031619
2010-02-11

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

#165
20100024695
2010-02-04

Fabrics

#166
20100011725
2010-01-21

Reinforced filter element

#167
20090259158
2009-10-15

Antimicrobial fibers embedded with an iodinated resin

#168
20090019825
2009-01-22

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

#169
20080274312
2008-11-06

Bag house filters and media

#170
20080110822
2008-05-15

Fine fiber media layer

#171
20080053922
2008-03-06

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

#172
20070271891
2007-11-29

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

#173
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

#174
20070251876
2007-11-01

Hybrid filter element and method

#175
20070240576
2007-10-18

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

#176
20070181001
2007-08-09

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

#177
20070175195
2007-08-02

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

#178
20070125703
2007-06-07

Method for providing resistance to biofouling in a porous support

#179
20070125700
2007-06-07

Nanoweb composite material and gelling method for preparing same

#180
20070028767
2007-02-08

Filter media with improved conductivity

#181
20070012007
2007-01-18

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

#182
20060089072
2006-04-27

Composite filtration media

#183
20060042210
2006-03-02

Acidic impregnated filter element, and methods

#184
20050085144
2005-04-21

Durable charged particle coatings and materials