Patents-Review.com
ClassID:

30178 ⎘

B01D2239/0233 - 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; Bicomponent or multicomponent fibres Island-in-sea

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

FILTER MEDIUM AND METHOD OF PRODUCTION THEREOF

 #2
20260117436
2026-04-30

MELTBLOWN MATERIAL FORMED FROM BICOMPONENT POLYOLEFIN AND POLYESTER FIBERS

 #3
20260042042
2026-02-12

FILTER MEDIUM AND METHOD OF PRODUCING A FILTER MEDIUM

 #4
20250243605
2025-07-31

METHOD FOR MANUFACTURING A PHOTOCATALYTIC MULTI-COMPONENT FIBER AND PHOTOCATALYTIC MULTI-COMPONENT FIBER

 #5
20240123383
2024-04-18

Small Diameter Tubular Porous Fiber Filter

 #6
20230366130
2023-11-16

LOW LEACHABLE FIBERS AND FIBER STRUCTURE

 #7
20230201637
2023-06-29

RESPIRATOR MASK

 #8
20230201635
2023-06-29

RESPIRATOR MASK

 #9
20220362696
2022-11-17

ANTIMICROBIAL FILTER MEDIA

 #10
20220323890
2022-10-13

FILTER ASSEMBLY, PREFILTER ASSEMBLY, AND RESPIRATOR INCLUDING THE SAME

 #11
20220203330
2022-06-30

FIBRILLATED BICOMPONENT FIBERS AND METHODS OF MAKING AND USES THEREOF

 #12
20220096977
2022-03-31

Multi-layer, biodegradable composites for air filtration

 #13
20220072457
2022-03-10

VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH

 #14
20210162330
2021-06-03

FILTER MEDIUM AND FILTER UNIT INCLUDING SAME

 #15
20210086116
2021-03-25

HIGH BURST STRENGTH WET-LAID NONWOVEN FILTRATION MEDIA AND PROCESS FOR PRODUCING SAME

 #16
20210039028
2021-02-11

Filter reinforcing material and filter medium for deodorizing filter comprising same

 #17
20200282351
2020-09-10

Small diameter tubular porous fiber filter

 #18
20200199785
2020-06-25

LOW LEACHABLE FIBERS AND FIBER STRUCTURE

 #19
20190070540
2019-03-07

Filter medium for liquid filter and liquid filter

 #20
20190054405
2019-02-21

Filter media pack, filter assembly, and method

 #21
20150328401
2015-11-19

Pivoting joint infusion system with seal

 #22
20150013295
2015-01-15

Blended nonwoven fabric, filter medium, and filter unit

 #23
20140157742
2014-06-12

Waved filter media and elements

 #24
20130327218
2013-12-12

Filter media pack, filter assembly, and method

 #25
20130305671
2013-11-21

Filter medium

 #26
20130248439
2013-09-26

Filter medium, filtering device using filter medium, and filter medium manufacturing method

 #27
20130068687
2013-03-21

Fine fibers made from polymer crosslinked with resinous aldehyde composition

 #28
20120304602
2012-12-06

WAVED FILTER MEDIA AND ELEMENTS

 #29
20120298595
2012-11-29

CHITOSAN-COATED FIBERS TO SATISFY NSF50 TEST STANDARD FOR SPAS AND POOLS

 #30
20120167769
2012-07-05

Respirator filter canister

 #31
20120031832
2012-02-09

CYLINDRICAL FILTER

 #32
20110232653
2011-09-29

ANTIMICROBIAL, DUSTPROOF FABRIC AND MASK

 #33
20110162337
2011-07-07

Waved filter media and elements

 #34
20110112481
2011-05-12

Pivoting joint infusion system with seal

 #35
20100330236
2010-12-30

FIBER SHEET

 #36
20100307338
2010-12-09

Filter medium

 #37
20100264098
2010-10-21

CHITOSAN-COATED FIBERS TO SATISFY NSF50 TEST STANDARD FOR SPAS AND POOLS

 #38
20100206803
2010-08-19

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

 #39
20100095876
2010-04-22

Coal combustion flue gas filters

 #40
20100095846
2010-04-22

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

 #41
20090152190
2009-06-18

Filter element

 #42
20090078119
2009-03-26

Air Filter and System

 #43
20090019825
2009-01-22

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

 #44
20080202078
2008-08-28

Waved filter media and elements

 #45
20080023394
2008-01-31

Medical Filter Material, and Extracorporeal Circulation Column and Blood Filter Utilizing the Filter Material

 #46
20080023385
2008-01-31

ANTIMICROBIAL MULTICOMPONENT FILTRATION MEDIUM

 #47
20070190880
2007-08-16

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

 #48
20070175195
2007-08-02

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

 #49
20070125703
2007-06-07

Method for providing resistance to biofouling in a porous support

 #50
20070125700
2007-06-07

Nanoweb composite material and gelling method for preparing same

 #51
20070095747
2007-05-03

Composite fiber environmental filtration media containing flocculant

 #52
20060241551
2006-10-26

Pivoting joint infusion system with steal

 #53
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

 #54
20050155665
2005-07-21

Respirator filter canisters and method of filling same