ClassID:

29397

B01D39/2031 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids; Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires; Metallic material the material being particulate

Sub-classes:
Recent Application in this class:
#1
20260083991
2026-03-26

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

#2
20250360445
2025-11-27

GASOLINE PARTICULATE FILTER

#3
20250010230
2025-01-09

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

#4
20240308884
2024-09-19

Water Treatment Unit Comprising a Plurality of Filtration Devices

#5
20240189747
2024-06-13

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

#6
20240082764
2024-03-14

FILTER, GAS SENSOR, AND GAS SENSOR SYSTEM

#7
20240050880
2024-02-15

A FILTER MEDIA

#8
20230405546
2023-12-21

METHOD FOR GENERATING A GRANULAR, GREEN SORBENT MEDIA FOR FILTRATION OF CONTAMINATED WATER BY PROCESSING ALUMINUM-BASED DRINKING WATER TREATMENT RESIDUALS

#9
20230292860
2023-09-21

MULTIFUNCTIONAL FILTER MATERIALS

#10
20230190978
2023-06-22

ANTI-MICROBIAL FILTER

#11
20230082473
2023-03-16

METHOD FOR REDUCING NUCLEIC ACID AND ADSORBING FILTER

#12
20230002246
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

#13
20230002245
2023-01-05

FILTER MEDIA, FILTER CARTRIDGE CONTAINING FILTER MEDIA, AND METHOD OF FILTERING WATER

#14
20220410052
2022-12-29

CHANNELIZED METAL SUBSTRATE TO ENHANCE INACTIVATION OF MICROBES

#15
20220339471
2022-10-27

MULTI-LAYER FILTRATION SYSTEM AND FILTER UNIT COMPRISING SAME

#16
20220258087
2022-08-18

Conductive filter unit, conductive filter module including conductive filter unit, and fine dust removal system including conductive filter module

#17
20210386234
2021-12-16

Porous Material Filter Systems and Methods for Producing Edible Extractions

#18
20200346954
2020-11-05

Bioactive filter

#19
20200316556
2020-10-08

Granular green sorbent media for filtration of contaminated water

#20
20190048771
2019-02-14

Particulate filters

#21
20190001242
2019-01-03

FILTER WITH NON-HORIZONTAL CAVITY

#22
20160289249
2016-10-06

Laminated articles for microbial removal and low pressure drop filtration, methods of making, and methods of using same

#23
20150352476
2015-12-10

Filtering lead from photoresist stripping solution

#24
20130140250
2013-06-06

Iron copper compositions for fluid purification

#25
20110275971
2011-11-10

ELECTROSTATICALLY CHARGED BIOCIDAL MEDIA AND APPLICATIONS THEREFOR

#26
20100050872
2010-03-04

FILTER AND METHODS OF MAKING AND USING THE SAME

#27
20080264554
2008-10-30

Electrostatically charged filter media incorporating an active agent

#28
20070122687
2007-05-31

Carbon fiber nonwoven fabric, and production method and use thereof

#29
20060251879
2006-11-09

Electrostatically charged filter media incorporating an active agent

#30
20060144403
2006-07-06

Facemask with filtering closure

#31
20050065042
2005-03-24

Anti-corrosive engine oil system components

#32
20050061734
2005-03-24

Anti-corrosive engine oil system components

#33
19001573
2025-06-10

Magnetic response fiber material and its preparation method and application

#34
18744790
2025-12-23

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

#35
17301954
2024-06-18

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