ClassID:

30199

B01D2239/0492 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material; Surface coating material on fibres

Recent Application in this class:
#1
20260108832
2026-04-23

Preparation Method for Antimicrobial Air Filtration Material

#2
20260083991
2026-03-26

ACTIVE FORCE ELECTRIC FIELD ANTI-PATHOGENIC FABRIC AND ASSOCIATED METHOD OF FABRICATION

#3
20260053310
2026-02-26

VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION

#4
20260027499
2026-01-29

FILTRATION DEVICES AND METHODS THEREOF

#5
20250325930
2025-10-23

METHOD AND APPARATUS FOR ENHANCED SEPARATION AND REMOVAL OF CONTAMINANTS AND IRRADIATED PARTICULATES FROM FLUIDS

#6
20250303329
2025-10-02

FILTER WITH METAL-ORGANIC FRAMEWORK FOR CMP PROCESSING

#7
20250296021
2025-09-25

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

#8
20250249430
2025-08-07

Water filter and medium therefor

#9
20250186915
2025-06-12

METHOD FOR PRODUCING FILTER

#10
20250177897
2025-06-05

FILTRATION MEMBER FOR ANTIVIRAL AIR FILTER

#11
20250065252
2025-02-27

FILTER MEMBER

#12
20240408522
2024-12-12

AIR FILTER WITH ABLATIVE AND SACRIFICIAL POLYMERS

#13
20240367149
2024-11-07

Composition and Method for Making a Water Filter by Accretion

#14
20240278172
2024-08-22

ELECTROSPUN POLYMERIC NANOFIBER FILTER MATERIAL AND DEVICES

#15
20240189747
2024-06-13

ANTIBACTERIAL FILTER, METHOD FOR MANUFACTURING SAME, AND AIR PURIFIER COMPRISING SAME

#16
20240156315
2024-05-16

VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION

#17
20240058518
2024-02-22

FILTER FOR REMOVING SUBSTANCES FROM BLOOD

#18
20240050880
2024-02-15

A FILTER MEDIA

#19
20240000990
2024-01-04

Air Decontamination and Self-Renewing Purification System Utilizing a Filter

#20
20230381699
2023-11-30

METHOD FOR ADJUSTING GROUTING PARAMETERS IN PREPARATION OF CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE, AND METHOD AND DEVICE FOR PREPARING CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE

#21
20230372847
2023-11-23

AIR FILTER AND METHOD FOR PREVENTING TRANSMISSION OF INFECTIONS

#22
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

#23
20230311039
2023-10-05

ADVANCED FILTRATION STRUCTURES FOR MASK AND OTHER FILTER USES

#24
20230271123
2023-08-31

Filtration Media

#25
20230234032
2023-07-27

FILTER MEDIUM FOR AIR AND WATER PURIFICATION AND DISINFECTION

#26
20230212068
2023-07-06

METAL TREATMENTS FOR FIBER SUBSTRATES, PROCESSES FOR TREATING FIBER SUBSTRATES, AND FILTER MEDIA HAVING TREATED FIBER SUBSTRATES

#27
20230201405
2023-06-29

ANTIVIRAL FILTER MEDIUM, AND AIR FILTER UNIT AND AIR CONDITIONER INCLUDING SAME

#28
20230140619
2023-05-04

FILTERS, FILTER SYSTEMS, AND METHODS OF USE

#29
20230085459
2023-03-16

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

#30
20230039303
2023-02-09

SYSTEM FOR CONTINUOUS OIL/WATER SEPARATION USING SUPERHYDROPHILIC OIL/WATER SEPARATION FILTER

#31
20230027945
2023-01-26

FILTRATION DEVICES AND METHODS THEREOF

#32
20230022778
2023-01-26

ULTRA-HYDROPHILIC FILTRATION FILTER FOR OIL-WATER SEPARATION AND METHOD FOR MANUFACTURING SAME

#33
20230001039
2023-01-05

Air decontamination and self-renewing purification system utilizing a filter

#34
20230000297
2023-01-05

VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION

#35
20220274040
2022-09-01

REMOVAL OF VOCS AND FINE PARTICULATE MATTER BY METAL ORGANIC FRAMEWORKS COATED ELECTRET MEDIA (E-MOFILTER)

#36
20220192187
2022-06-23

COMPOSITE VIRUCIDAL FILTER MEDIA

#37
20220161172
2022-05-26

NICKEL-BASED AIRBORNE PATHOGEN INHIBITOR AGAINST MICROBES, INCLUDING COVID-19

#38
20220161171
2022-05-26

FILTER MEDIA COMPRISING FLUORINATED AND NON-FLUORINATED WATER REPELLENT ADDITIVES

#39
20220120655
2022-04-21

Method of preventing and handling indoor air pollution

#40
20220015433
2022-01-20

AEROSOL GENERATING SYSTEM AND CARTRIDGE WITH LEAKAGE PROTECTION

#41
20220008845
2022-01-13

WASHING MACHINE WITH FILTER GROUP

#42
20210370213
2021-12-02

AIR FILTRATION SYSTEMS, METHODS, AND APPARATUSES

#43
20210346831
2021-11-11

ANTIVIRAL GRAPHENE OXIDE AIR FILTRATION DEVICE AND ASSOCIATED METHODS

#44
20210018487
2021-01-21

Plasma separation device

#45
20200391148
2020-12-17

FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER

#46
20200298170
2020-09-24

Air filters comprising polymeric sorbents for aldehydes

#47
20200238111
2020-07-30

COMPOSITIONS FOR REDUCING INHALATION OF TOXIC AIR POLLUTION COMPONENTS

#48
20200182120
2020-06-11

RETAINING MATERIAL FOR POLLUTION CONTROL ELEMENT, METHOD FOR MANUFACTURING THE SAME, AND POLLUTION CONTROL DEVICE

#49
20200123332
2020-04-23

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#50
20200122068
2020-04-23

Fine fiber media layer

#51
20190391130
2019-12-26

Plasma separation device

#52
20190239707
2019-08-08

VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION

#53
20190201869
2019-07-04

Method for manufacturing a solid adsorbent fiber

#54
20190134563
2019-05-09

Nanofiber augmented diesel particulate filters

#55
20190119152
2019-04-25

System and Method of Continuous Glass Filament Manufacture

#56
20190062952
2019-02-28

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

#57
20190030473
2019-01-31

High performance media for filtration and others applications

#58
20190022570
2019-01-24

Nanofibrous filter

#59
20190009202
2019-01-10

Multifunctional filter medium, and method and apparatus for manufacturing same

#60
20180229165
2018-08-16

Method for preparing a catalyzed fabric filter and a catalyzed fabric filter

#61
20180185562
2018-07-05

FILTER ELEMENT FOR BLOOD PROCESSING FILTER, BLOOD PROCESSING FILTER, AND BLOOD PROCESSING METHOD

#62
20180169580
2018-06-21

METHOD AND SYSTEM FOR TEMPERATURE CONTROL IN CATALYTIC OXIDATION REACTIONS

#63
20180162658
2018-06-14

Polycarbonate resin powder and method for transporting same

#64
20180057646
2018-03-01

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#65
20180044230
2018-02-15

Preparation For Fiberglass Air Filtration Media

#66
20180023215
2018-01-25

Adhering nanofibers to polymeric media using a high temperature singe

#67
20170354774
2017-12-14

Blood filter and method of manufacturing the same

#68
20170341009
2017-11-30

Aluminosilicates and coatings made therefrom for VOC removal

#69
20170319993
2017-11-09

Fine fiber media layer

#70
20170312673
2017-11-02

Filter media including a waved filtration layer

#71
20170281993
2017-10-05

Compositions for reducing inhalation of toxic air pollution components

#72
20170096925
2017-04-06

Retaining material for pollution control element, method for manufacturing the same, and pollution control device

#73
20170095760
2017-04-06

Filter

#74
20170072350
2017-03-16

Method for adapting a filter medium to predefinable parameters and preferably a filter medium produced according to said method

#75
20170008075
2017-01-12

Composition, a method for preparing said composition, a method for preparing a rigidified fabric, the rigidified fabric so obtained, a filtration device, methods for the manufacture of the filtration device, installation, process and use of said filtration device for the filtration of a liquid metal or an alloy thereof

#76
20160332907
2016-11-17

Preparation for fiberglass air filtration media

#77
20160310883
2016-10-27

Leukocyte removal filter material and leukocyte removal method

#78
20150140333
2015-05-21

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

#79
20140196420
2014-07-17

Fine fiber media layer

#80
20140166572
2014-06-19

Fiber webs coated with fiber-containing resins

#81
20130001154
2013-01-03

Fine fiber media layer

#82
20120248034
2012-10-04

METHODS OF MAKING AND USING LIQUID FILTER MEDIA

#83
20120204527
2012-08-16

Fine fiber media layer

#84
20120167889
2012-07-05

Gas mask filter canister

#85
20120097035
2012-04-26

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

#86
20120017763
2012-01-26

Filtration media and applications thereof

#87
20110275971
2011-11-10

ELECTROSTATICALLY CHARGED BIOCIDAL MEDIA AND APPLICATIONS THEREFOR

#88
20110174720
2011-07-21

Multifunctional electroprocessed membranes

#89
20110107732
2011-05-12

FILTER ELEMENTS

#90
20110067369
2011-03-24

Fine fiber media layer

#91
20110039690
2011-02-17

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

#92
20100236202
2010-09-23

Filter medium

#93
20100178507
2010-07-15

Polyamide Fine Fibers

#94
20100173070
2010-07-08

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

#95
20100146922
2010-06-17

Wound Wire Filter Elements

#96
20100064645
2010-03-18

Fine fiber media layer

#97
20100035119
2010-02-11

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

#98
20100011725
2010-01-21

Reinforced filter element

#99
20090218292
2009-09-03

Methods of treating water

#100
20090199528
2009-08-13

Manufacturing method of filter media available at medium and high temperature exhaust gas using foam coating technology and filter media manufactured thereby

#101
20090143227
2009-06-04

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

#102
20090078119
2009-03-26

Air Filter and System

#103
20090045145
2009-02-19

Device and method for purifying water

#104
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#105
20080264554
2008-10-30

Electrostatically charged filter media incorporating an active agent

#106
20080110822
2008-05-15

Fine fiber media layer

#107
20080053922
2008-03-06

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

#108
20080041040
2008-02-21

Exhaust gas post treatment system

#109
20070271891
2007-11-29

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

#110
20070271883
2007-11-29

Bag house filter with fine fiber and spun bonded media

#111
20070190880
2007-08-16

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

#112
20070125703
2007-06-07

Method for providing resistance to biofouling in a porous support

#113
20070125700
2007-06-07

Nanoweb composite material and gelling method for preparing same

#114
20070095747
2007-05-03

Composite fiber environmental filtration media containing flocculant

#115
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

#116
20070012007
2007-01-18

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

#117
20070003457
2007-01-04

Complex shaped fiber for particle and molecular filtration

#118
20060276576
2006-12-07

Coating composition for chemical grafting

#119
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

#120
20060251879
2006-11-09

Electrostatically charged filter media incorporating an active agent

#121
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#122
20060144403
2006-07-06

Facemask with filtering closure

#123
20060042208
2006-03-02

High-efficiency filter device and method for making same

#124
20060027494
2006-02-09

Oil treated filter media

#125
20060018798
2006-01-26

Liquid filtering instrument and dry type analysis device

#126
20060016747
2006-01-26

Glass-fiber filter for blood filtration, blood filtration device and blood analysis element

#127
20060014010
2006-01-19

Composite membrane having oleophobic properties

#128
20050279211
2005-12-22

Antimicrobial refrigerator air filter

#129
20050214188
2005-09-29

Complex shaped fiber for particle and molecular filtration

#130
20050160911
2005-07-28

Gas mask filter canister

#131
20050050869
2005-03-10

Heat stable filter construction

#132
18744790
2025-12-23

Active force electric field anti-pathogenic fabric and methods of charging and deactivating pathogen particles

#133
17301954
2024-06-18

Active force electric field anti-pathogenic fabric and methods of charging and deactivating pathogen particles