ClassID:

30193

B01D2239/045 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material Deodorising additives

Recent Application in this class:
#1
20250312722
2025-10-09

Scented Air Filter Device and Method of Use

#2
20240382929
2024-11-21

GAS ADSORBENT AND GAS ADSORPTION SHEET, FILTER MEDIUM, AND AIR FILTER USING SAME

#3
20240307808
2024-09-19

Air Filter and Method for Manufacturing an Air Filter

#4
20240226790
2024-07-11

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

#5
20240198144
2024-06-20

BREATHING HALF MASK

#6
20240131462
2024-04-25

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

#7
20230347272
2023-11-02

CABIN AIR FILTERS FOR VEHICLES

#8
20230346013
2023-11-02

Eco-Friendly Personal Exhalant Filter

#9
20230277965
2023-09-07

Fluid Filter and Spill Kit Extreme Odor and Toxin Eliminator, Composition and Process

#10
20230218007
2023-07-13

NON-COMBUSTIBLE AEROSOL DELIVERY SYSTEM

#11
20220134267
2022-05-05

Reusable exoskeleton frame with U-shaped locking members and eco-friendly air filter element

#12
20210322802
2021-10-21

Pathogen-killing filter assemblage

#13
20210299489
2021-09-30

FILTER CONTAINING PHARMACEUTICAL SALT FOR A FACE MASK, BREATHABLE FACE MASK CONTAINING THE FILTER, AND METHOD OF MANUFACTURING

#14
20210269965
2021-09-02

Clothes care apparatus

#15
20210236981
2021-08-05

LOW EMISSIONS ELECTRONIC SMOKING DEVICE AND EMISSIONS FILTERING DEVICE

#16
20210113948
2021-04-22

Filter assembly and air cleaner having the same

#17
20210106976
2021-04-15

Air-permeable sheet filter material, methods for the production and use thereof

#18
20210106937
2021-04-15

FILTER CARTRIDGE INCLUDING PATTERNED FUNCTIONAL MATERIAL

#19
20210069622
2021-03-11

Eco-friendly air filter element having fixation slits and reusable exoskeleton frame

#20
20210046410
2021-02-18

Multilayer filter material

#21
20210039028
2021-02-11

Filter reinforcing material and filter medium for deodorizing filter comprising same

#22
20200214339
2020-07-09

Low emissions electronic smoking device and emissions filtering device

#23
20190344209
2019-11-14

Air filter comprising a multilayer filter material

#24
20190314750
2019-10-17

Filter media for filtration of cooking fumes

#25
20190290943
2019-09-26

BREATHING HALF MASK

#26
20190224599
2019-07-25

IMPROVED AIR PURIFICATION FILTER

#27
20190209966
2019-07-11

Gas-Permeable Structure with Chemically-Reactive Coating

#28
20190150516
2019-05-23

Low emissions electronic smoking device and emissions filtering device

#29
20190126585
2019-05-02

Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing

#30
20190009202
2019-01-10

Multifunctional filter medium, and method and apparatus for manufacturing same

#31
20170340998
2017-11-30

Filters with odor-controlling compositions

#32
20170056802
2017-03-02

Method of manufactring an antibacterial filter comprising copper-based compound particles

#33
20160332104
2016-11-17

Antibacterial filter comprising copper-based sulfur compound

#34
20160175753
2016-06-23

Filtering medium for deodorizing filter

#35
20150328401
2015-11-19

Pivoting joint infusion system with seal

#36
20150056102
2015-02-26

Deodorizing mask

#37
20130199375
2013-08-08

AIR FILTER WITH AIR FRESHENER

#38
20130036907
2013-02-14

NON-WOVEN FABRIC FOR FILTER, AND PROCESS FOR PRODUCTION THEREOF

#39
20120240773
2012-09-27

Filter element for an extractor hood and extractor hood

#40
20110155952
2011-06-30

Filtration media having a chemical reagent

#41
20110112481
2011-05-12

Pivoting joint infusion system with seal

#42
20100313753
2010-12-16

Polyethylene membrane and method of its production

#43
20100296966
2010-11-25

Multi-functional cabin air filter

#44
20100212506
2010-08-26

Filter element and filter unit

#45
20100186595
2010-07-29

COMPOSITE FILTER AND GAS FILTER ASSEMBLY INCLUDING THE SAME

#46
20100162895
2010-07-01

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

#47
20100162888
2010-07-01

MAT-SHAPED FOAM MATERIAL FOR CLEANING AND/OR FILTERING AIR

#48
20100107884
2010-05-06

AIR FILTER

#49
20090312731
2009-12-17

Nonwoven Melt-Blown Product

#50
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

#51
20090084726
2009-04-02

MULTI-FUNCTIONAL DUAL FILTERING KETTLE

#52
20090078119
2009-03-26

Air Filter and System

#53
20080274018
2008-11-06

Surface light-emitting device, filtering device using same, and optically assisted ceramic filter

#54
20080241505
2008-10-02

FUNCTIONAL PARTICLE CARRIED SHEET AND MANUFACTURING METHOD THEREOF

#55
20080182748
2008-07-31

Filtration media having a chemical reagent

#56
20080180646
2008-07-31

IMPRINT REFERENCE TEMPLATE FOR MULTILAYER OR MULTIPATTERN REGISTRATION AND METHOD THEREFOR

#57
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#58
20070267014
2007-11-22

Sterilizing facemask with a multi-layer filter

#59
20070267013
2007-11-22

Sterilizing facemask with a multi-layer filter

#60
20070251876
2007-11-01

Hybrid filter element and method

#61
20070227359
2007-10-04

Product and method of forming a gradient density fibrous filter

#62
20070181001
2007-08-09

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

#63
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

#64
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

#65
20060241551
2006-10-26

Pivoting joint infusion system with steal

#66
20060191416
2006-08-31

Vacuum cleaner and dust bag for vacuum cleaner

#67
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#68
20060157898
2006-07-20

Imprint reference template for multilayer or multipattern registration and method therefor

#69
20060150980
2006-07-13

Anion emission and anti-dust nose mask

#70
20060137529
2006-06-29

Vacuum filter bag with odor removing effect

#71
20050085144
2005-04-21

Durable charged particle coatings and materials

#72
20050023223
2005-02-03

Composite filter and method and apparatus for producing high purity water using the composite filter