ClassID:

30181

B01D2239/0258 - 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 comprising nanoparticles

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

FILTER MEDIUM AND METHOD OF PRODUCTION THEREOF

#2
20260117433
2026-04-30

SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS

#3
20260097341
2026-04-09

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

#4
20260091333
2026-04-02

FILTERS WITH MECHANICAL AND ELECTROSTATIC FILTERING CAPABILITIES

#5
20250196038
2025-06-19

METHOD TO FORM A DUST COLLECTING LAYER ON A POROUS BODY WITHOUT USING A BINDER

#6
20250135386
2025-05-01

PROCESS FOR ERADICATING/REDUCING CORONAVIRUS AND OTHER SMALL PATHOGENS IN THE INDOORS AIR

#7
20250114732
2025-04-10

FILTRATION MEDIA FOR LIQUID FILTERS

#8
20250100008
2025-03-27

NANOPARTICLE FEED SYSTEMS FOR MANUFACTURING FILTER MEDIA

#9
20250058258
2025-02-20

AIR FILTERS HAVING ANTI-MICROBIAL CHARACTERISTICS AND SYSTEMS AND METHODS OF MANUFACTURE THEREOF

#10
20250010230
2025-01-09

HYBRID NANOPOROUS MEMBRANE ASSEMBLED FROM 3D NANOSPIKY PARTICLES FOR ENVIRONMENTAL AND BIOLOGICAL APPLICATIONS

#11
20250001346
2025-01-02

Air Filter

#12
20240416588
2024-12-19

FILTER DEVICE

#13
20240091689
2024-03-21

FILTER ELEMENT FOR FLUID FILTRATION

#14
20240050881
2024-02-15

A FILTER MEDIA

#15
20240035690
2024-02-01

FILTER ELEMENT COMPRISING GRAPHENE FOR AIR CONDITIONING UNITS

#16
20230372851
2023-11-23

Solid carbon products comprising compressed carbon nanotubes in a container and methods of forming same

#17
20230323576
2023-10-12

SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS

#18
20230323055
2023-10-12

SYSTEMS AND METHODS FOR RETAINING NANOPARTICLES WITHIN NONWOVEN MATERIAL

#19
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#20
20230321575
2023-10-12

FILTRATION MEDIA INCORPORATING NANOPARTICLES AND LARGE LINEAR DENSITY FIBERS

#21
20230321573
2023-10-12

SYSTEMS AND METHODS OF MAKING PRODUCTS CONTAINING FIBROUS MATERIAL

#22
20230321572
2023-10-12

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

#23
20230321571
2023-10-12

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

#24
20230321570
2023-10-12

SYSTEMS AND METHODS FOR CONTINUOUS PRODUCTION OF FIBROUS MATERIALS AND NANOPARTICLES

#25
20230321569
2023-10-12

FILTERS WITH MECHANICAL AND ELETROSTATIC FILTERING CAPABILITIES

#26
20230321568
2023-10-12

FILTRATION MEDIA AND FILTERS

#27
20230311037
2023-10-05

HIGH FILTRATION FILTER WITH DISINFECTION, LOW PRESSURE DROP AND REDUCED CAKE FORMATION

#28
20230292860
2023-09-21

MULTIFUNCTIONAL FILTER MATERIALS

#29
20230243089
2023-08-03

Method of treating a textile with graphene and textile so obtained

#30
20230234032
2023-07-27

FILTER MEDIUM FOR AIR AND WATER PURIFICATION AND DISINFECTION

#31
20230233967
2023-07-27

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

#32
20230225430
2023-07-20

TEXTILE ARTICLE COMPRISING GRAPHENE AND FILTERS COMPRISING SAID TEXTILE ARTICLE

#33
20230173418
2023-06-08

Nanofilter System for Personal and Medical Protective Equipment with Nano-Facemask, Resp. Nano-Faceshield and Method of Manufacturing Thereof

#34
20230105070
2023-04-06

PROTECTIVE MASK, AIR FILTRATION ELEMENT AND AIR TREATMENT ELEMENT

#35
20230090532
2023-03-23

AIR FILTRATION MEDIA HAVING METAL NANOPARTICLE AGGLOMERATES ADHERED THERETO, FORMATION THEREOF AND USE THEREOF

#36
20220195171
2022-06-23

Bijels And Methods Of Making The Same

#37
20220176281
2022-06-09

METHOD AND SYSTEM FOR AIR FILTRATION

#38
20220152592
2022-05-19

Glass fiber filter element for visible light photocatalysis and air purification and preparation method thereof

#39
20220081490
2022-03-17

Cellulose-containing filtration materials and methods of making the same

#40
20220023783
2022-01-27

Nanofiber air filter medium with high adsorption performance and preparation method

#41
20220009798
2022-01-13

Fluoride removal process

#42
20210331107
2021-10-28

FILTRATION ARTICLE FOR PERSONAL PROTECTIVE EQUIPMENT

#43
20210322907
2021-10-21

MULTILAYER FILTER WITH ANTIMICROBIAL PROPERTIES AND USE THEREOF IN INDUSTRIAL FILTRATION APPLICATIONS AND PROTECTIVE MASKS

#44
20210307430
2021-10-07

Safer shield copper infused graphene face mask

#45
20200247675
2020-08-06

Methods for manufacturing carbon nanotube (CNT) hybrid sheet and yarn by gas phase assembly, and CNT-hybrid materials

#46
20200179848
2020-06-11

NANOFIBERS COMPRISING NANOPARTICLES

#47
20190240604
2019-08-08

Solid carbon products comprising compressed carbon nanotubes in a container and methods of forming same

#48
20190002309
2019-01-03

Surfactant-assisted synthesis of surface-functionalized nanoparticle-polymer electrospun composites

#49
20180345204
2018-12-06

Functional fiber for adsorbing heavy metal and method for producing same

#50
20180179717
2018-06-28

Oil collecting apparatus and oil collecting system having the same

#51
20180127577
2018-05-10

Bijels and methods of making the same

#52
20180126311
2018-05-10

Three dimensional nanometer filters and methods of use

#53
20170203244
2017-07-20

Water purification device

#54
20160244373
2016-08-25

Ultrafine continuous fibrous ceramic filter and method of manufacturing same

#55
20150250910
2015-09-10

Filtration medium with electrospun metal oxide nanofiber layer

#56
20140044756
2014-02-13

Multilayer nanofiber filter

#57
20130299415
2013-11-14

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#58
20130056428
2013-03-07

Fluid purification media and systems and methods of using same

#59
20130025247
2013-01-31

Exhaust gas purification filter, and method of manufacturing exhaust gas purification filter

#60
20120196990
2012-08-02

Method for fabricating nanoparticles

#61
20120183799
2012-07-19

Sinter bonded porous metallic coatings

#62
20120168371
2012-07-05

Water filter cartridge and method of manufacturing same

#63
20120135234
2012-05-31

BIODEGRADABLE NANOFIBERS AND IMPLEMENTATIONS THEREOF

#64
20120077019
2012-03-29

HUMIDITY BARRIER

#65
20120012522
2012-01-19

MAKING AND USING COMPOSITE MATERIAL CONTAINING NANOSPHERES AND DEVICES FOR WATER FILTRATION AND DEVICES CONTAING SUCH COMPOSITES

#66
20110278242
2011-11-17

Fluid purification media and systems and methods of using same

#67
20110266213
2011-11-03

ULTRAFINE CONTINUOUS FIBROUS CERAMIC FILTER AND METHOD OF MANUFACTURING SAME

#68
20110252970
2011-10-20

Filtration Media for High Humidity Environments

#69
20110201041
2011-08-18

Encapsulation of nano-materials for fluid purification/separation

#70
20110194304
2011-08-11

Porous and non-porous nanostructures and application thereof

#71
20110139726
2011-06-16

FILTRATION MEDIA COATED WITH ZERO-VALENT METALS, THEIR PROCESS OF MAKING, AND USE

#72
20110114573
2011-05-19

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

#73
20100307665
2010-12-09

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#74
20100307119
2010-12-09

Multilayer nanofiber filter

#75
20100296966
2010-11-25

Multi-functional cabin air filter

#76
20100139226
2010-06-10

Ceramic nanofibers for liquid or gas filtration and other high temperature (> 1000° C.) applications

#77
20100117251
2010-05-13

Process of making natural tourmaline fiber and filter

#78
20100051536
2010-03-04

FILTER INCLUDING MULTIPLE SPHERES

#79
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

#80
20100038307
2010-02-18

FILTRATION MEDIA FOR LIQUID FILTRATION

#81
20090312731
2009-12-17

Nonwoven Melt-Blown Product

#82
20090293719
2009-12-03

Fractal structured nanoagglomerates as filter media

#83
20090044702
2009-02-19

Filter element and method

#84
20080264259
2008-10-30

Nanofiber filter facemasks and cabin filters

#85
20080217807
2008-09-11

COMPOSITE FIBER FILTER COMPRISING NAN0-MATERIALS, AND MANUFACTURING METHOD AND APPARATUS THEREOF

#86
20080149571
2008-06-26

Porous sintered composite materials

#87
20080081007
2008-04-03

Sinter bonded porous metallic coatings

#88
20080053922
2008-03-06

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

#89
20080026041
2008-01-31

NON-WOVEN MEDIA INCORPORATING ULTRAFINE OR NANOSIZE POWDERS

#90
20070264181
2007-11-15

Catalytically active porous element

#91
20070259178
2007-11-08

Natural tourmaline anion fiber and filter and producing method

#92
20070241051
2007-10-18

Nanocrystal-containing filtration media

#93
20070084786
2007-04-19

Filter, filter media, and methods for making same

#94
20070075015
2007-04-05

Filtration media for liquid filtration

#95
20070056256
2007-03-15

Electrostatic air filter

#96
20070039299
2007-02-22

Porous sintered composite materials

#97
20060151382
2006-07-13

Contact devices with nanostructured materials

#98
20060093740
2006-05-04

Method and device for manufacturing nanofilter media

#99
20060068668
2006-03-30

Microfiber supported nanofiber membrane

#100
20060032329
2006-02-16

Novel structures and method of preparation

#101
20050122572
2005-06-09

Methods of measuring the diffusion rate and partition coefficient of an analyte into a polymer and methods of forming a filter media

#102
20050085144
2005-04-21

Durable charged particle coatings and materials

#103
17529997
2022-10-18

Antimicrobial metal nanoparticle mesh air filter

#104
17164735
2021-11-23

Polyurethane-based materials