ClassID:

30194

B01D2239/0457 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material Specific fire retardant or heat resistant properties

Recent Application in this class:
#1
20250332636
2025-10-30

Filter For The Filtration Of A Liquid Metal

#2
20250288934
2025-09-18

COOKING APPARATUS VENTILATION SYSTEM INCLUDING OIL-SMOKE COLLECTION FILTER

#3
20250276262
2025-09-04

FILTER STRUCTURE

#4
20250235931
2025-07-24

METHOD OF TREATING A GAS STREAM AND METHOD OF OPERATING AN APPARATUS FOR PRODUCING A THREE-DIMENSIONAL WORK PIECE

#5
20240342636
2024-10-17

NEEDLE-PUNCHED FILTRATION COMPOSITE AND METHOD OF MAKING SAME

#6
20240307805
2024-09-19

FILTER MEDIA INCLUDING ADHESIVES

#7
20240229312
2024-07-11

HIGH TEMPERATURE TREATED MEDIA

#8
20240133092
2024-04-25

HIGH TEMPERATURE TREATED MEDIA

#9
20230103716
2023-04-06

Filter media including adhesives

#10
20230067216
2023-03-02

Method of treating a gas stream and method of operating an apparatus for producing a three-dimensional work piece

#11
20220233989
2022-07-28

Flame trap filter

#12
20220219105
2022-07-14

NANOFIBER FILTER MATERIAL AND RESPERATORY SYSTEM AND AIR FILTERING ARTICLE

#13
20220219104
2022-07-14

FILTER MEDIUM FOR FILTER AND FILTER

#14
20220176282
2022-06-09

FILTER ASSEMBLY

#15
20220162785
2022-05-26

Non-woven fabric and filter using same

#16
20220161170
2022-05-26

FILTER MEDIA, FILTERS, AND METHODS FOR MAKING THE SAME

#17
20220136149
2022-05-05

FIBER STRUCTURE AND PRODUCTION METHOD THEREFOR

#18
20210362081
2021-11-25

High temperature treated media

#19
20210316239
2021-10-14

FIRE-RESISTANT FILTER

#20
20210310166
2021-10-07

FIBER STRUCTURE AND APPLICATION THEREOF

#21
20210291094
2021-09-23

Filter media including adhesives

#22
20210290989
2021-09-23

Personal Air Filtering Device with Safety Features

#23
20210289875
2021-09-23

Personal air filtering device with automatic control of air movement

#24
20210289851
2021-09-23

Personal air filtration system with smart app

#25
20210213378
2021-07-15

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

#26
20210086116
2021-03-25

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

#27
20200254372
2020-08-13

NONWOVEN AIR FILTRATION MEDIUM

#28
20200155985
2020-05-21

Filter Medium, Method for Producing Same, and Use of the Filter Medium in a Filter Element

#29
20200047247
2020-02-13

Filter For The Filtration Of A Liquid Metal

#30
20190351355
2019-11-21

Ultra-high purity, ultra-high performance diatomite filtration media

#31
20190060811
2019-02-28

Down feather filter medium

#32
20190017202
2019-01-17

Method and device for processing of filter material, product obtained thereof

#33
20180361286
2018-12-20

Liquid storage and filtration method

#34
20180318741
2018-11-08

Liquid storage and filtration method

#35
20180243674
2018-08-30

ELECTRET-CONTAINING FILTER MEDIA

#36
20180169550
2018-06-21

Filter media including adhesives

#37
20180056219
2018-03-01

FILTER MATERIAL FOR AIR FILTER

#38
20170304755
2017-10-26

MULTI-LAYERED OR MULTIPLE POLYMER FINE FIBER WEBS

#39
20170239601
2017-08-24

Stretchable laminated filter material and protective article

#40
20170137981
2017-05-18

NON-WOVEN FABRIC

#41
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

#42
20150273372
2015-10-01

Flame-retardant gas filter material having high dust storage capacity

#43
20140238241
2014-08-28

Flame retardant for filter systems and method for improving flame resistance in filter systems

#44
20130042589
2013-02-21

FILTER INCLUDING A HOT MELT COATED CONTINUOUS SUBSTRATE

#45
20120318136
2012-12-20

HOT GAS FILTRATION MEDIA AND FILTERS

#46
20120234748
2012-09-20

High temperature treated media

#47
20120031063
2012-02-09

LOW-BASIS-WEIGHT FILTER MEDIA FOR AIR FILTERS

#48
20110192799
2011-08-11

Sorbent Compositions

#49
20110072974
2011-03-31

Flame-retardant hydrocarbon adsorption trap

#50
20110011044
2011-01-20

BAG FILTER COMPRISING FILTER FELT OF META-ARAMID AND PARA-ARAMID STAPLE FIBER

#51
20100326902
2010-12-30

Laminated Filtration Media

#52
20100314333
2010-12-16

FLUTABLE FIBER WEBS WITH LOW SURFACE ELECTRICAL RESISTIVITY FOR FILTRATION

#53
20100313753
2010-12-16

Polyethylene membrane and method of its production

#54
20100212071
2010-08-26

Adsorption filter material, particularly for producing ABC protective clothing having improved wearing physiology

#55
20100162895
2010-07-01

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

#56
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

#57
20080053051
2008-03-06

Method of producing heat-resistant inorganic textile and heat-resistant inorganic textile produced using the method

#58
20080022645
2008-01-31

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

#59
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

#60
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

#61
20060172639
2006-08-03

Filter medium

#62
20060150599
2006-07-13

EMI-absorbing air filter

#63
20060027494
2006-02-09

Oil treated filter media

#64
20050050869
2005-03-10

Heat stable filter construction