ClassID:

30695

B01D2275/30 - CPC Classification

Classification description:

Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours Porosity of filtering material

Sub-classes:
Recent Application in this class:
#1
20250369376
2025-12-04

HONEYCOMB FILTER

#2
20250186919
2025-06-12

METHOD FOR MANUFACTURING A METALLIC FUNCTIONAL PART DELIMITING A POROUS FILTERING MEDIUM, USING AN ADDITIVE MANUFACTURING METHOD, AND OBTAINED FUNCTIONAL PART

#3
20250186918
2025-06-12

METHOD FOR MANUFACTURING A METALLIC FUNCTIONAL PART DELIMITING A POROUS FILTERING MEDIUM, USING AN ADDITIVE MANUFACTURING METHOD, AND OBTAINED FUNCTIONAL PART

#4
20250108340
2025-04-03

POROUS MEMBRANE, POROUS MEMBRANE LAMINATE, AND METHOD OF MANUFACTURING POROUS MEMBRANE

#5
20240399279
2024-12-05

METHODS AND SYSTEMS FOR REDUCING CONTAMINANTS IN A FEED STREAM

#6
20240350958
2024-10-24

HONEYCOMB FILTER

#7
20240024807
2024-01-25

GAS FILTER DEVICE AND RETICLE CARRIER PROVIDED WITH THE SAME

#8
20230390734
2023-12-07

ADHESIVE AGENT, METHOD FOR MANUFACTURING SAME, FILTRATION MATERIAL, AND AIR FILTER

#9
20230382608
2023-11-30

POURER FOR POURING A LIQUID FROM A BOTTLE, AND PRODUCT OF THE POURER, THE LIQUID, AND THE BOTTLE

#10
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

#11
20230277968
2023-09-07

FILTER CANDLE HAVING A CONCENTRATION GRADIENT OF CATALYST METALS, METHOD FOR PRODUCTION THEREOF AND USE THEREOF IN AN EXHAUST GAS CLEANING METHOD

#12
20230211270
2023-07-06

HIGH FILTRATION EFFICIENCY PARTICULATE FILTERS HAVING BIMODAL PORE SIZE DISTRIBUTION MADE FROM BEADS WITH OPEN POROSITY

#13
20230182052
2023-06-15

Metallic filter with microstructured architecture of controlled porosity and process for manufacturing such a filter

#14
20220204899
2022-06-30

SYSTEM AND METHOD FOR BIOLOGICAL METHANE GAS GENERATION AND REMOVAL OF CARBON DIOXIDE THEREFROM

#15
20220203281
2022-06-30

METHOD FOR MANUFACTURING A METALLIC FUNCTIONAL PART DELIMITING A POROUS FILTERING MEDIUM, USING AN ADDITIVE MANUFACTURING METHOD, AND OBTAINED FUNCTIONAL PART

#16
20220203142
2022-06-30

Face mask with Microporous Filter Membrane Layer

#17
20220169467
2022-06-02

Handling bar for laminated or film supports

#18
20220040624
2022-02-10

Exhaust gas purification filter

#19
20210379517
2021-12-09

LIQUID HYDROCARBON FILTERABILITY SYSTEM

#20
20210362916
2021-11-25

Product with a non-alcohol drink and method for preserving said drink

#21
20210121812
2021-04-29

Air filter and method of use

#22
20210063962
2021-03-04

Image forming apparatus with particle collector

#23
20210001255
2021-01-07

Electretized sheet and filter

#24
20200370452
2020-11-26

Gasoline particulate filters with high initial filtering efficiency and methods of making same

#25
20200359865
2020-11-19

DIRT SEPARATOR FOR A VACUUM CLEANER

#26
20200214522
2020-07-09

DIRT SEPARATOR FOR A VACUUM CLEANER

#27
20200164295
2020-05-28

BAG FILTER FABRIC AND PRODUCTION METHOD THEREFOR

#28
20200108185
2020-04-09

Surgical suction filter

#29
20200001222
2020-01-02

COMPOSITE CERAMIC FILTER MATERIAL FOR HIGH TEMPERATURE FLUE GAS DUST REMOVAL

#30
20190048771
2019-02-14

Particulate filters

#31
20190001246
2019-01-03

LIQUID HYDROCARBON FILTERABILITY SYSTEM

#32
20180361364
2018-12-20

FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FROM A COMPRESSION IGNITION ENGINE

#33
20180290088
2018-10-11

SELF-SUPPORTING INDUSTRIAL AIR FILTER

#34
20180169945
2018-06-21

Build material container

#35
20180066858
2018-03-08

Vent

#36
20180016955
2018-01-18

Ceramic honeycomb structure and its production method

#37
20170304762
2017-10-26

Ceramic honeycomb structure

#38
20170298794
2017-10-19

Ceramic honeycomb structure and its production method

#39
20170056802
2017-03-02

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

#40
20170028330
2017-02-02

Porous Filter Media for Use in Preventing Liquid Carryover

#41
20160228827
2016-08-11

Venting assembly and microporous membrane composite

#42
20150093300
2015-04-02

Method and system using a filter for treating exhaust gas having particulate matter

#43
20140283689
2014-09-25

Method and device for the decantation of oil contained in a gas stream

#44
20140186228
2014-07-03

Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine

#45
20140167331
2014-06-19

Method for producing a ceramic filter element

#46
20140007771
2014-01-09

Liquid drainage from coalescing filter medium with drainage channels

#47
20130330259
2013-12-12

Method and system using a filter for treating exhaust gas having particulate matter

#48
20130306548
2013-11-21

Filter element having at least one mat-type or sheet-type filter web

#49
20120186240
2012-07-26

Exhaust gas purifying filter

#50
20120107203
2012-05-03

Method and system using a filter for treating exhaust gas having particulate matter

#51
20120097033
2012-04-26

Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine

#52
20120031062
2012-02-09

Honeycomb structural body

#53
20110303086
2011-12-15

Air pre-treatment device

#54
20110158871
2011-06-30

Exhaust system for a vehicular positive ignition internal combustion engine

#55
20110113755
2011-05-19

Filter device for filtering automobile exhaust gas

#56
20100239478
2010-09-23

Filter

#57
20100205921
2010-08-19

Cordierite-based ceramic honeycomb filter and its production method

#58
20100189756
2010-07-29

SHEET MATERIAL FOR ANTIMICROBIAL OR STERILIZING PURPOSES AND PROCESS FOR MANUFACTURING THE SAME

#59
20100098903
2010-04-22

Honeycomb structure

#60
20100095655
2010-04-22

Zoned electrical heater arranged in spaced relationship from particulate filter

#61
20100050870
2010-03-04

Fluid filter system and method

#62
20100034981
2010-02-11

METHOD FOR PRODUCING A CERAMIC FILTER ELEMENT

#63
20090145841
2009-06-11

Perforated Member

#64
20090095249
2009-04-16

Air filter assembly for combustion tool

#65
20090054227
2009-02-26

Method for obtaining a homogeneous filtering structure for a catalytic application

#66
20090053543
2009-02-26

Filter element for extractor hood

#67
20090005240
2009-01-01

Ceramic structure and process for producing the same

#68
20080296216
2008-12-04

Decontamination of process streams

#69
20080241011
2008-10-02

Honeycomb filter and exhaust gas purifying apparatus

#70
20080184684
2008-08-07

Multilayered long life filter using convoluted foam

#71
20080148700
2008-06-26

Soot filter

#72
20080110143
2008-05-15

Filters with controlled submicron porosity

#73
20080092499
2008-04-24

Porous Honeycomb Filter

#74
20080044316
2008-02-21

Filtration, flow distribution and catalytic method for process streams

#75
20070261378
2007-11-15

High porosity cordierite composition

#76
20070245702
2007-10-25

Honeycomb structure and manufacturing method thereof, and air cleaner and water purifier containing the honeycomb structure

#77
20070062887
2007-03-22

Space optimized coalescer

#78
20070044444
2007-03-01

Honeycomb structured body

#79
20070044443
2007-03-01

Multiple integrated-layer ceramic fiber filter paper and method

#80
20070039858
2007-02-22

Nanocarpets for trapping particulates, bacteria and spores

#81
20070028573
2007-02-08

Air-cleaner filter material for internal combustion engine and air-cleaner element

#82
20070026190
2007-02-01

Base for honeycomb filter, method for producing same and honeycomb filter

#83
20060254231
2006-11-16

Filter and filter assembly

#84
20060216465
2006-09-28

Honeycomb stucture

#85
20060193756
2006-08-31

Honeycomb structure

#86
20060156702
2006-07-20

Method and apparatus for filtering exhaust particulates

#87
20060154817
2006-07-13

Substrate for exhaust-gas purifying filter catalyst

#88
20060107641
2006-05-25

Honeycomb filter and method of manufacturing the same

#89
20060093784
2006-05-04

Honeycomb structural body

#90
20060090433
2006-05-04

System for a plate-shaped filter element in a gas filter housing

#91
20060060085
2006-03-23

Composite filter media

#92
20060037475
2006-02-23

Process and device for eliminating the particles contained in a stream of fluid

#93
20060037297
2006-02-23

Ceramic honeycomb filter

#94
20050284294
2005-12-29

Ultrahigh-selectivity oxygen enrichment filled elastomeric silicone polymer membrane incorporating nanofillers

#95
20050274096
2005-12-15

Plugged honeycomb structure and method of manufacturing the same

#96
20050207946
2005-09-22

Exhaust gas filter, method of manufacturing the exhaust gas filter, and exhaust gas processing device using the exhaust gas filter

#97
20050169818
2005-08-04

Filter for exhaust gas decontamination

#98
20050163675
2005-07-28

Exhaust gas purifying filter and method of manufacturing the same

#99
20050132888
2005-06-23

Fuel tank venting system and an additional filter element therefor

#100
20050050870
2005-03-10

Method and apparatus for filtering exhaust particulates

#101
20050050845
2005-03-10

Honeycomb structure