ClassID:

30227

B01D2239/1208 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Special parameters characterising the filtering material Porosity

Recent Application in this class:
#1
20260084084
2026-03-26

Particulate Filter

#2
20260001018
2026-01-01

POROUS COMPLEX AND METHOD OF PRODUCING POROUS COMPLEX

#3
20260001016
2026-01-01

POROUS STRUCTURE SUCH AS FOR FILTERS, AND MAKING THE SAME

#4
20250303336
2025-10-02

HONEYCOMB STRUCTURE

#5
20250276263
2025-09-04

ULTRASONICALLY BONDED COMPOSITE MATERIALS

#6
20250263320
2025-08-21

BIOFILTER BLOCK AND USE THEREOF FOR WASTEWATER TREATMENT

#7
20250261795
2025-08-21

METHOD OF FILTERING HIGH TEMPERATURE EDIBLE COOKING OIL

#8
20250255435
2025-08-14

Method of Filtering Edible Cooking Oil

#9
20250248566
2025-08-07

High Temperature Filter For Edible Cooking Oil

#10
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

#11
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

#12
20250073626
2025-03-06

SILICA CERAMIC MATERIAL, CERAMIC FOAM FILTER, AND PREPARATION METHOD AND USE OF CERAMIC FOAM FILTER

#13
20250065253
2025-02-27

HIGH TRANSMISSION AIR FILTRATION MEDIA AND TRANSPARENT FACE MASK

#14
20250065247
2025-02-27

Coalescer Filter Used in Solvent Extraction Method

#15
20250041769
2025-02-06

TREATMENT OF PARTICULATE FILTERS

#16
20250012273
2025-01-09

GRAVITY FLOW FILTRATION OF HYDROCARBONS FROM AN OIL-IN-WATER EMULSION

#17
20250001340
2025-01-02

CERAMIC FILTER AND CONTAINER FOR LIQUIDS COMPRISING SAID CERAMIC FILTER

#18
20240417497
2024-12-19

SINTERED POROUS POLYPROPYLENE MEDIA AND APPLICATIONS

#19
20240367076
2024-11-07

LAMINATED SHEET, CYLINDRICAL FILTER ELEMENT, AND FILTRATION KIT USED TO PERFORM WATER FILTRATION

#20
20240350952
2024-10-24

FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREON

#21
20240280038
2024-08-22

Particulate filter

#22
20240165546
2024-05-23

FILTER, MANUFACTURING METHOD THEREFOR, FILTER DEVICE, METHOD OF SEPARATING OR FRACTIONATING RARE CELLS, AND METHOD OF ANALYZING RARE CELLS IN CELL SUSPENSION

#23
20240156188
2024-05-16

FILTRATION GARMENTS

#24
20240100460
2024-03-28

Filter Element With Gasket Surrounding Filter Head

#25
20240024805
2024-01-25

FILTER

#26
20240024804
2024-01-25

DEVICE FOR FORMING TURBULENCE IN A LIQUID, ESPECIALLY FOR SOLID/LIQUID MIXTURES

#27
20240009609
2024-01-11

WASHABLE FILTER BODIES AND METHODS FOR PRODUCING

#28
20230398478
2023-12-14

FILTER MEDIUM COMPRISING A NONWOVEN ELECTRET

#29
20230383681
2023-11-30

Selective catalytic reduction catalyst pre-heating burner assembly and method of controlling burner emissions

#30
20230382075
2023-11-30

POROUS STRUCTURES AND METHOD OF MAKING

#31
20230381699
2023-11-30

METHOD FOR ADJUSTING GROUTING PARAMETERS IN PREPARATION OF CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE, AND METHOD AND DEVICE FOR PREPARING CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE

#32
20230381695
2023-11-30

SYSTEMS, METHODS, AND FILTER MEDIA FOR FILTERING MOLTEN ALUMINUM AND ALUMINUM ALLOYS

#33
20230372858
2023-11-23

AIR FILTER MEDIUM, FILTER PLEAT PACK, AND AIR FILTER UNIT

#34
20230356186
2023-11-09

Polymer matrix composites comprising functional particles and methods of making the same

#35
20230322630
2023-10-12

Silicon carbide ceramic honeycomb structure and its production method

#36
20230321584
2023-10-12

FILTRATION MEDIA AND FILTERS INCLUDING NANOPARTICLES

#37
20230257311
2023-08-17

3D CERAMIC PRINTING

#38
20230212008
2023-07-06

HYDROGEN SEPARATION FILTER AND METHOD FOR MANUFACTURING HYDROGEN SEPARATION FILTER

#39
20230190978
2023-06-22

ANTI-MICROBIAL FILTER

#40
20230182060
2023-06-15

COFORM NON-WOVEN HEPA FILTER MEDIA AND METHOD FOR MAKING SAME

#41
20230173418
2023-06-08

Nanofilter System for Personal and Medical Protective Equipment with Nano-Facemask, Resp. Nano-Faceshield and Method of Manufacturing Thereof

#42
20230137305
2023-05-04

Porous Liquid, Self-Replenishing Porous Liquid And Methods Of Making And Using The Same

#43
20230097915
2023-03-30

High Temperature Filter For Edible Cooking Oil And Method Of Use

#44
20230019449
2023-01-19

STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME

#45
20220347367
2022-11-03

BLOOD FILTER

#46
20220338770
2022-10-27

BLOOD COMPONENTS COLLECTION AND SEPARATION MEDIA, BLOOD COMPONENTS COLLECTION AND SEPARATION DEVICE COMPRISING SAID MEDIA, AND BLOOD COMPONENTS SEPARATION AND EXTRACTION PROCESS IMPLEMENTING SAID MEDIA

#47
20220258084
2022-08-18

Filter media ribbons with nanofibers formed thereon

#48
20220233982
2022-07-28

AIR FILTERING ELEMENT

#49
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

#50
20220203278
2022-06-30

NONWOVEN FABRIC, NONWOVEN FABRIC MANUFACTURING METHOD, AND FILTER

#51
20220196012
2022-06-23

Gravity flow filtration of hydrocarbons from an oil-in-water emulsion

#52
20220152534
2022-05-19

Oil slurry filter, oil slurry filter unit and oil slurry filter system containing the same, and oil slurry filtering process

#53
20220105454
2022-04-07

BLOOD PURIFIER

#54
20220015433
2022-01-20

AEROSOL GENERATING SYSTEM AND CARTRIDGE WITH LEAKAGE PROTECTION

#55
20220003083
2022-01-06

Filtration of fluids using conformable porous shape memory media

#56
20210387123
2021-12-16

LIQUID FILTER AND MANUFACTURING METHOD FOR LIQUID FILTER

#57
20210379523
2021-12-09

Porous composite

#58
20210372018
2021-12-02

Method of preparing polyester elastomer meltblown nonwoven fabric membrane with porous and high bonding strength

#59
20210370205
2021-12-02

REMOVAL OF WATER CONTAMINANTS USING ENHANCED CERAMIC FILTRATION MATERIALS

#60
20210370201
2021-12-02

METHOD OF MANUFACTURING A GRADIENT DENSITY, THERMALLY BONDED, CONVOLUTED ROLL DEPTH FILTER CARTRIDGE

#61
20210354065
2021-11-18

Filter comprising a coating layer of flake-like powders and a preparation method thereof

#62
20210316240
2021-10-14

LASER-SINTERED FILTER, METHOD FOR PRODUCING THE FILTER, AND METHOD FOR ENSURING FLUID FLOW

#63
20210299604
2021-09-30

Ceramic filter

#64
20210299603
2021-09-30

PILLAR-SHAPED HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING SAME

#65
20210252440
2021-08-19

Filter media ribbons with nanofibers formed thereon

#66
20210060456
2021-03-04

Filter media configurations

#67
20210018487
2021-01-21

Plasma separation device

#68
20210016214
2021-01-21

FILTER ELEMENT CONFIGURATIONS

#69
20210001255
2021-01-07

Electretized sheet and filter

#70
20200369538
2020-11-26

Copper Foam for Water Purification

#71
20200368656
2020-11-26

FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREON

#72
20200368655
2020-11-26

Filter media ribbons with nanofibers formed thereon

#73
20200330958
2020-10-22

Polymer matrix composites comprising functional particles and methods of making the same

#74
20200298154
2020-09-24

Filter element

#75
20200254372
2020-08-13

NONWOVEN AIR FILTRATION MEDIUM

#76
20200247675
2020-08-06

Methods for manufacturing carbon nanotube (CNT) hybrid sheet and yarn by gas phase assembly, and CNT-hybrid materials

#77
20200230572
2020-07-23

Lightweight modified filter material, preparation method therefor and use thereof

#78
20200164295
2020-05-28

BAG FILTER FABRIC AND PRODUCTION METHOD THEREFOR

#79
20200155991
2020-05-21

Drainage medium for gas filter

#80
20200147545
2020-05-14

Porous liquid and methods of making and using the same

#81
20200147528
2020-05-14

Filtering device, purification device, chemical liquid manufacturing device, filtered substance to be purified, chemical liquid, and actinic ray-sensitive or radiation-sensitive resin composition

#82
20200129688
2020-04-30

Blood filter

#83
20200094183
2020-03-26

Outer periphery coating material, outer periphery coated honeycomb structure and dust collecting filter

#84
20200002177
2020-01-02

Method of preparing silicon carbide and filters made therefrom

#85
20190391130
2019-12-26

Plasma separation device

#86
20190388815
2019-12-26

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

#87
20190336890
2019-11-07

Snap-On Porous Filter Media For Filter Press Plates

#88
20190330742
2019-10-31

COLD SPRAY COATING WITH SACRIFICIAL FILLER POWDER

#89
20190328953
2019-10-31

Filter medium for obtaining plasma, and associated filtration device and method

#90
20190322590
2019-10-24

CORDIERITE ALUMINUM MAGNESIUM TITANATE COMPOSITIONS AND CERAMIC ARTICLES COMPRISING SAME

#91
20190314752
2019-10-17

Porous honeycomb filter

#92
20190282940
2019-09-19

Filter structure for separation of water from fluids in the motor vehicle sector

#93
20190275444
2019-09-12

Systems and methods of nanofiltration using graphene oxide

#94
20190209955
2019-07-11

METHOD FOR PRODUCING A THREEDIMENSIONAL SPONGE BASED ON NANOFIBERS

#95
20190193007
2019-06-27

Water filtration system

#96
20190176095
2019-06-13

Filter medium, method for manufacturing same, and filter module comprising same

#97
20190119152
2019-04-25

System and Method of Continuous Glass Filament Manufacture

#98
20190070540
2019-03-07

Filter medium for liquid filter and liquid filter

#99
20190009201
2019-01-10

Silicon carbide filter membrane and methods of use

#100
20180362917
2018-12-20

Metallic porous membrane, classifying method using the same, and classifying device

#101
20180353886
2018-12-13

Method for manufacturing expandable artificial media for water treatment by recycling waste LCD glass and waste bottle glass generated from waste electric and electronic products

#102
20180353883
2018-12-13

Nonwoven fabric and air filter including same

#103
20180305791
2018-10-25

Porous material

#104
20180263263
2018-09-20

Compositions and methods for producing high purity filter aids

#105
20180250636
2018-09-06

Discharge member with filter

#106
20180237315
2018-08-23

Portable water-purifying pouch

#107
20180207570
2018-07-26

Fabric filters for filtration system and method

#108
20180127316
2018-05-10

Composite ceramic materials, articles, and method of manufacture

#109
20180104670
2018-04-19

Porous article having polymer binder sub-micron particle

#110
20180044230
2018-02-15

Preparation For Fiberglass Air Filtration Media

#111
20180043291
2018-02-15

MULTILAYER CELLULAR MEMBRANES FOR FILTRATION APPLICATIONS

#112
20180016190
2018-01-18

HIGH-PURITY COMPOSITE MATERIALS, METHODS OF MAKING HIGH-PURITY COMPOSITE MATERIALS, AND METHODS OF USING HIGH-PURITY COMPOSITE MATERIALS

#113
20180001236
2018-01-04

Filter element and method of manufacturing a filter element

#114
20170368382
2017-12-28

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#115
20170365864
2017-12-21

Porous support having excellent filling characteristics of ion conductor, method for manufacturing the same, and reinforced membrane including the same

#116
20170361254
2017-12-21

Melt spun filtration media for respiratory devices and face masks

#117
20170260351
2017-09-14

Porous material and methods of making and of using the same

#118
20170252686
2017-09-07

Final separator

#119
20170174858
2017-06-22

POROGEN COMPOSITIONS, METHODS OF MAKING AND USES

#120
20170120174
2017-05-04

Thermally bonded multi-layer felt filtration media

#121
20170095760
2017-04-06

Filter

#122
20170050885
2017-02-23

Boron-Free Aluminum Castshop Ceramic Foam Filter

#123
20160367924
2016-12-22

Laminated nonwoven fabric, air purifier, and manufacturing method of laminated nonwoven fabric

#124
20160341477
2016-11-24

Methods for fabricating porous media with controllable characteristics

#125
20160332907
2016-11-17

Preparation for fiberglass air filtration media

#126
20160279551
2016-09-29

Filter medium for obtaining plasma, and associated filtration device and method

#127
20160229750
2016-08-11

Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same

#128
20160221883
2016-08-04

Sintered porous material and filter element using same

#129
20160200282
2016-07-14

Filtration devices for use in automotive airbag applications and related methods

#130
20160022105
2016-01-28

Vacuum cleaner filter bag

#131
20150298065
2015-10-22

High flux high efficiency nanofiber membranes and methods of production thereof

#132
20150251124
2015-09-10

Ceramic honeycomb structure and its production method

#133
20150246306
2015-09-03

Filter element

#134
20150013285
2015-01-15

Filter material

#135
20140302981
2014-10-09

Activated carbon with a metal based component

#136
20140217032
2014-08-07

Sintered porous plastic liquid barrier media and applications thereof

#137
20140190353
2014-07-10

Filter media with improved conductivity

#138
20130306548
2013-11-21

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

#139
20130298513
2013-11-14

Composite filtering structures with mat of packed melt blown micro- and nano-fibres having NANO-protrusions

#140
20130255213
2013-10-03

Porous material, manufacturing method of the same, and honeycomb structure

#141
20130097982
2013-04-25

Filter medium equipped with porous film, method of manufacturing same, filter pack, and filter unit

#142
20130056428
2013-03-07

Fluid purification media and systems and methods of using same

#143
20130001149
2013-01-03

Filter device

#144
20120318752
2012-12-20

HIGH POROSITY HIGH BASIS WEIGHT FILTER MEDIA

#145
20120318139
2012-12-20

Sintered porous plastic liquid barrier media and applications thereof

#146
20120292250
2012-11-22

COMPOSITE FILTER AIDS HAVING NOVEL PORE SIZE CHARACTERISTICS

#147
20120217194
2012-08-30

Porous Pavement for Water Quality and Quantity Management

#148
20120148792
2012-06-14

Ceramic honeycomb structure and its production method

#149
20120141975
2012-06-07

Blood component separation system and separation material

#150
20120090469
2012-04-19

MULTICARTRIDGE DIESEL SOOT PARTICULATE FILTER

#151
20120077891
2012-03-29

Porogen compositions, methods of making and uses

#152
20120046165
2012-02-23

Composite filter aids having novel pore size characteristics

#153
20120031827
2012-02-09

AGGLOMERATION OF HIGH SURFACE AREA RARE EARTHS

#154
20110318600
2011-12-29

Porous metal foil and production method therefor

#155
20110278243
2011-11-17

Fluid purification media and systems and methods of using same

#156
20110278242
2011-11-17

Fluid purification media and systems and methods of using same

#157
20110265312
2011-11-03

Filter media with improved conductivity

#158
20110262682
2011-10-27

KNITTED GEOTEXTILE, AND GEOTEXTILE TUBE CONSTRUCTED THEREOF

#159
20110198282
2011-08-18

HIGH FLUX HIGH EFFICIENCY NANOFIBER MEMBRANES AND METHODS OF PRODUCTION THEREOF

#160
20110113538
2011-05-19

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#161
20110107732
2011-05-12

FILTER ELEMENTS

#162
20110036778
2011-02-17

Filter network

#163
20100313753
2010-12-16

Polyethylene membrane and method of its production

#164
20100219131
2010-09-02

Water purification apparatus and system

#165
20100206803
2010-08-19

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

#166
20100040861
2010-02-18

Ordered Mesoporous Free-Standing Carbon Films And Form Factors

#167
20100006507
2010-01-14

Water treating methods

#168
20090238646
2009-09-24

Method of constructing a filtering pavement surface

#169
20090230061
2009-09-17

Methods for treating water

#170
20090218292
2009-09-03

Methods of treating water

#171
20090218291
2009-09-03

Methods for treating water

#172
20080299377
2008-12-04

Method for preparing a porous inorganic coating on a porous support using certain pore formers

#173
20080292842
2008-11-27

Carbon Fiber Substrate and Method for Forming the Same

#174
20080257153
2008-10-23

Patterned porous venting materials

#175
20080250775
2008-10-16

Particulate trap with coated fiber layer and exhaust system having the particulate trap

#176
20080166938
2008-07-10

MICROFIBER SPLIT FILM FILTER FELT AND METHOD OF MAKING SAME

#177
20080023383
2008-01-31

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#178
20070151218
2007-07-05

Method for producing metal fibers, method for producing filter material, device for performing the method, fiber, filter material, particle filter, and motor vehicle having the filter material

#179
20070122687
2007-05-31

Carbon fiber nonwoven fabric, and production method and use thereof

#180
20070028767
2007-02-08

Filter media with improved conductivity

#181
20060264141
2006-11-23

Arrangement for forming a layered fibrous mat of varied porosity

#182
20060207925
2006-09-21

Water purification apparatus and system

#183
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#184
20060117729
2006-06-08

Microbicidal air filter

#185
20060032807
2006-02-16

Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

#186
20050232830
2005-10-20

High-temperature-resistant coated fiber layer and particulate trap with the coated fiber layer

#187
20050132888
2005-06-23

Fuel tank venting system and an additional filter element therefor

#188
20050061728
2005-03-24

Salt-tolerant, water absorbing filter

#189
17387509
2023-07-25

Corona disinfecting air filter systems

#190
16599316
2020-07-14

Coated porous substrates for fracking water treatment