ClassID:

30212

B01D2239/0654 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Filter cloth, e.g. knitted, woven non-woven; self-supported material; More than one layer present in the filtering material Support layers

Recent Application in this class:
#1
20260151718
2026-06-04

FILTER

#2
20260138067
2026-05-21

FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION

#3
20260131270
2026-05-14

AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE

#4
20260115638
2026-04-30

ELECTRET-CONTAINING FILTER MEDIA

#5
20260097340
2026-04-09

NON-WOVEN FILTER MEDIA WITH AN ACRYLIC & PP FIBER LAYER AND A NANOFIBER LAYER

#6
20260042042
2026-02-12

FILTER MEDIUM AND METHOD OF PRODUCING A FILTER MEDIUM

#7
20260042041
2026-02-12

FILTER MEDIA INCLUDING NONWOVEN FIBER WEBS COMPRISING NANOFIBERS, AND RELATED METHODS

#8
20260034486
2026-02-05

TRANSPARENT COMPOSITE NANO-FIBRE BASED MULTI-LAYER TEXTILE

#9
20260014498
2026-01-15

COMPOSITE FILTER BODY

#10
20260001015
2026-01-01

APPARATUSES AND METHODS FOR SEGREGATING SINGLE-STRANDED DNA ANALYTE MATERIAL FROM A BIOLOGICAL SAMPLE FOR ANALYSIS WITH A SENSOR DEVICE

#11
20250352927
2025-11-20

PLEATED FLUID FILTER ELEMENT AND METHODS

#12
20250288928
2025-09-18

FILTER MATERIAL COMPRISING NANOFIBER LAYER AND FILTER ELEMENT COMPOSED OF SUCH FILTER MATERIAL

#13
20250276263
2025-09-04

ULTRASONICALLY BONDED COMPOSITE MATERIALS

#14
20250262581
2025-08-21

FILTER AND METHOD FOR MANUFACTURING SAME

#15
20250242567
2025-07-31

INTERNALLY REINFORCED AEROGEL AND USES THEREOF

#16
20250242094
2025-07-31

FILTER ASSEMBLY AND CONTAINER FOR COLLECTING BLOOD CONTAINING THE SAME

#17
20250186928
2025-06-12

EXPANDABLE PLEATED AIR FILTERS

#18
20250186909
2025-06-12

Filter Layer Structure, Filter Assembly, and Method of Forming a Filter Layer Structure

#19
20250170509
2025-05-29

FILTER MEDIUM COMPRISING A FINE FIBER LAYER

#20
20250153079
2025-05-15

FILTER MEDIA, ELEMENTS, AND METHODS

#21
20250128195
2025-04-24

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

#22
20250090985
2025-03-20

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

#23
20250065253
2025-02-27

HIGH TRANSMISSION AIR FILTRATION MEDIA AND TRANSPARENT FACE MASK

#24
20250001339
2025-01-02

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

#25
20240424435
2024-12-26

FILTER MEDIA AND ELEMENTS

#26
20240424434
2024-12-26

FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS

#27
20240408531
2024-12-12

NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME

#28
20240399703
2024-12-05

INTERNALLY REINFORCED AEROGEL AND USES THEREOF

#29
20240367076
2024-11-07

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

#30
20240335782
2024-10-10

CORRUGATED FILTER MEDIA

#31
20240325952
2024-10-03

INHERENTLY STABLE, FLOW-POROUS FILTER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER ELEMENT

#32
20240316483
2024-09-26

SELF-CLEANING FILTER

#33
20240299866
2024-09-12

Fluid Drainage System with Textured Core Sheets

#34
20240238709
2024-07-18

FILTER

#35
20240229314
2024-07-11

ELECTROSPUN POROUS MEDIA

#36
20240216844
2024-07-04

Composite filtering medium and method for production thereof

#37
20240207765
2024-06-27

VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS

#38
20240207764
2024-06-27

HIGH PERFORMANCE FILTER MEDIA

#39
20240139662
2024-05-02

Filter media, elements, and methods

#40
20240131453
2024-04-25

Pleated fluid filter element and methods

#41
20240115981
2024-04-11

Biodegradable cellulose-based filter media and facial masks including the same

#42
20240081438
2024-03-14

SANITARY MASK SHEET

#43
20240024804
2024-01-25

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

#44
20240017099
2024-01-18

MASK

#45
20230415081
2023-12-28

ARTICLES COMPRISING FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE LAYERS

#46
20230405497
2023-12-21

Method and apparatus for producing a filter device

#47
20230390686
2023-12-07

FILTER PLEAT PACK AND AIR FILTER UNIT

#48
20230372858
2023-11-23

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

#49
20230364547
2023-11-16

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

#50
20230364546
2023-11-16

FILTER ELEMENT WITH IMPROVED DUST LOADING

#51
20230347268
2023-11-02

VACUUM-CLEANER FILTER BAG MADE FROM RECYCLED PLASTICS

#52
20230330451
2023-10-19

FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME

#53
20230311037
2023-10-05

HIGH FILTRATION FILTER WITH DISINFECTION, LOW PRESSURE DROP AND REDUCED CAKE FORMATION

#54
20230277967
2023-09-07

AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE

#55
20230249010
2023-08-10

MASK AND MANUFACTURING METHOD THEREOF

#56
20230241428
2023-08-03

PVDF FILTERING FACE-PIECE RESPIRATOR AND RECYCLING METHOD

#57
20230233967
2023-07-27

AIR FILTRATION MATERIAL, FILTERS COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME

#58
20230233888
2023-07-27

RESPIRATOR MASK

#59
20230201800
2023-06-29

AIR PERMEABLE FILTER MATERIAL COMPRISING A POLYMER AEROGEL

#60
20230201637
2023-06-29

RESPIRATOR MASK

#61
20230201635
2023-06-29

RESPIRATOR MASK

#62
20230158429
2023-05-25

HIGH CAPACITY COMPOSITE DEPTH FILTER MEDIA WITH LOW EXTRACTABLES

#63
20230137540
2023-05-04

FILTER

#64
20230124690
2023-04-20

HIGH EFFICIENCY FILTER MEDIA

#65
20230123639
2023-04-20

ULTRAPOROUS NANOFIBER MATS AND USES THEREOF

#66
20230114145
2023-04-13

TRANSPARENT COMPOSITE NANO-FIBRE BASED MULTI-LAYER TEXTILE

#67
20230108099
2023-04-06

BIODEGRADABLE FILTERS

#68
20230105070
2023-04-06

PROTECTIVE MASK, AIR FILTRATION ELEMENT AND AIR TREATMENT ELEMENT

#69
20230044409
2023-02-09

FE-AL-BASED METAL POROUS MEMBRANE AND PREPARATION METHOD THEREOF

#70
20230032052
2023-02-02

NANOFIBER BEARING PERMEABLE FILTER LAMINAE

#71
20230032023
2023-02-02

Fe-Al-based metal porous membrane and preparation method thereof

#72
20230026576
2023-01-26

Filter media with irregular structure and/or reversibly stretchable layers

#73
20230025717
2023-01-26

Filter media with irregular structure

#74
20230016081
2023-01-19

MULTI-FUNCTIONAL AIR PURIFICATION FILTER AND PURIFICATION DEVICE INCLUDING THE SAME

#75
20220387917
2022-12-08

High capacity composite depth filter media with low extractables

#76
20220387915
2022-12-08

FILTER MEDIA LAYERS INCLUDING MIXED DIAMETER FINE FIBERS

#77
20220379249
2022-12-01

Filter medium comprising a fine fiber layer

#78
20220362697
2022-11-17

FILTER MEDIA AND ARTICLES INCLUDING BINDERS AND/OR OTHER COMPONENTS

#79
20220362695
2022-11-17

FILTER MEDIUM

#80
20220355236
2022-11-10

COALESCING FILTER MEDIA

#81
20220339567
2022-10-27

A METHOD FOR PREPARING A COMPOSITE FILTER MEDIUM AND THE COMPOSITE FILTER MEDIUM OBTAINED WITH THIS METHOD

#82
20220339561
2022-10-27

Pleated fluid filter element and methods

#83
20220307634
2022-09-29

Fluid circuit with integrated electrostatic discharge mitigation

#84
20220241708
2022-08-04

Method of producing a multilayer filter medium and a filter medium produced in accordance with this method

#85
20220233982
2022-07-28

AIR FILTERING ELEMENT

#86
20220212132
2022-07-07

Filter media and elements

#87
20220152537
2022-05-19

Filter media with improved dust loading

#88
20220152533
2022-05-19

FILTER MEDIUM FOR DEACTIVATING PATHOGENS AND/OR ALLERGENS

#89
20220127779
2022-04-28

ANTIVIRAL ELEMENT AND PERSONNEL PROTECTION EQUIPMENT CONTAINING SAME

#90
20220118387
2022-04-21

Filter media, elements, and methods

#91
20220118386
2022-04-21

FILTER ASSEMBLIES UTILIZING FULL CROSS-SECTION

#92
20220105453
2022-04-07

ELECTRET-CONTAINING FILTER MEDIA

#93
20220096976
2022-03-31

Depth filter

#94
20220081490
2022-03-17

Cellulose-containing filtration materials and methods of making the same

#95
20220072457
2022-03-10

VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH

#96
20220063240
2022-03-03

Internally reinforced aerogel and uses thereof

#97
20220062799
2022-03-03

Textured core sheets for fluid drainage unit

#98
20220023784
2022-01-27

FILTER MEDIA COMPRISING A POLYETHERSULFONE-BASED FINE FIBER LAYER

#99
20220001316
2022-01-06

PRE-COALESCING MULTI-LAYERED FILTER MEDIA

#100
20210379518
2021-12-09

FILTER MEDIA AND METHODS OF MAKING AND USING

#101
20210362101
2021-11-25

FILTER MATERIAL

#102
20210362082
2021-11-25

FACE MASK WITH FILTER MEDIUM FROM MULTICOMPONENT FILAMENTS

#103
20210354065
2021-11-18

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

#104
20210346832
2021-11-11

AIR FILTERS COMPRISING METAL-CONTAINING POLYMERIC SORBENTS

#105
20210310166
2021-10-07

FIBER STRUCTURE AND APPLICATION THEREOF

#106
20210187429
2021-06-24

Filter bags comprising a porous membrane

#107
20210187176
2021-06-24

FILTER ASSEMBLY AND CONTAINER FOR COLLECTING BLOOD CONTAINING THE SAME

#108
20210178304
2021-06-17

Electret-containing filter media

#109
20210170317
2021-06-10

Composite filter media with multiple fiber structures including nanofibers

#110
20210170310
2021-06-10

Filter Assembly Employing Cloth Filter Layer for Use in Self-Cleaning Filter

#111
20210162333
2021-06-03

Filtration media with extended surface area

#112
20210154606
2021-05-27

EFFICIENT LOW-RESISTANCE MICRO-NANO-FIBER MICROSCOPIC GRADIENT STRUCTURE FILTRATION MATERIAL, AND PREPARATION METHOD THEREFOR

#113
20210129060
2021-05-06

Filter medium, method for producing same and the filter medium in a filter element

#114
20210121618
2021-04-29

Low resistance microfabricated filter

#115
20210106976
2021-04-15

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

#116
20210079560
2021-03-18

Oleophobic polyamide fine fibers, methods, filter media, and filter elements

#117
20210060476
2021-03-04

NANOMATERIAL INCLUDING NANOFIBERS AND BEADS FOR HEPA AIR FILTER MEDIA

#118
20210001263
2021-01-07

Coalescing filter media

#119
20200354857
2020-11-12

Fabrication of tragacanthin-PVA nanofibrous webs and applications thereof in water-absorbent filters

#120
20200353391
2020-11-12

Method for fabricating a filter containing tragacanthin nanofibers

#121
20200346148
2020-11-05

Method for producing a filter medium, and a filter medium

#122
20200330913
2020-10-22

Filter media with irregular structure and/or reversibly stretchable layers

#123
20200276525
2020-09-03

Pleated fluid filter element and methods

#124
20200269181
2020-08-27

Filter bags comprising a porous membrane

#125
20200269180
2020-08-27

FILTER BAGS COMPRISING A POROUS MEMBRANE

#126
20200269164
2020-08-27

SUPPORT AND DRAINAGE MATERIAL, FILTER, AND METHOD OF USE

#127
20200254371
2020-08-13

Polyamide nanofiber nonwovens for filters

#128
20200246758
2020-08-06

Porous body and process for manufacturing same

#129
20200217275
2020-07-09

Filter Medium and Production Method, Filter Element, Use of the Filter Element, and Water Injection System

#130
20200215470
2020-07-09

Filter medium

#131
20200179848
2020-06-11

NANOFIBERS COMPRISING NANOPARTICLES

#132
20200164330
2020-05-28

Internally reinforced aerogel and uses thereof

#133
20200139281
2020-05-07

Filter media with irregular structure

#134
20200129901
2020-04-30

High capacity composite depth filter media with low extractables

#135
20200129892
2020-04-30

Support and drainage material, filter, and method of use

#136
20200129888
2020-04-30

Support and drainage material, filter, and method of use

#137
20200122069
2020-04-23

ELASTOMERIC DEPTH FILTER

#138
20200122068
2020-04-23

Fine fiber media layer

#139
20200108339
2020-04-09

CHARGED FILTER MEDIUM AND METHOD OF PRODUCING CHARGED FILTER MEDIUM

#140
20200094539
2020-03-26

Filter medium, manufacturing method therefor, and filter equipment using same

#141
20200070075
2020-03-05

FILTER MEDIUM FOR FUELS

#142
20200061635
2020-02-27

SCRIMLESS AND/OR ARAMID FILTER MEDIA

#143
20190388904
2019-12-26

AIR CLEAN FILTER, HYBRID AIR CLEAN FILTER AND AIR CLEANER

#144
20190336897
2019-11-07

Filter media and elements

#145
20190314747
2019-10-17

Pre-coalescing multi-layered filter media

#146
20190275454
2019-09-12

Air filters comprising metal-containing polymeric sorbents

#147
20190269841
2019-09-05

Low resistance microfabricated filter

#148
20190255473
2019-08-22

Filter media, elements, and methods

#149
20190224598
2019-07-25

Filter medium

#150
20190209954
2019-07-11

IMPROVED ROOM AIR PURIFIERS AND FILTRATION MEDIA

#151
20190201831
2019-07-04

Dual density nanofiber media

#152
20190184318
2019-06-20

Filter medium for liquid filter and method for manufacturing same

#153
20190176095
2019-06-13

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

#154
20190176069
2019-06-13

FILTER ELEMENT OF A FILTER, MULTILAYER FILTER MEDIUM OF A FILTER AND FILTER

#155
20190160405
2019-05-30

Nanofiber filter media for high performance applications

#156
20190160404
2019-05-30

Durable nanofiber synthetic filter media

#157
20190145560
2019-05-16

Fluid circuit with integrated electrostatic discharge mitigation

#158
20190143253
2019-05-16

Mask and Method for Manufacturing Same

#159
20190126176
2019-05-02

Filter medium, method of manufacturing the same and uses thereof

#160
20190091617
2019-03-28

CONDUCTIVE FILTER DEVICE

#161
20190060818
2019-02-28

FILTER INCLUDING NANOFIBER, APPARTUS AND METHOD MANUFACTURING THE SAME

#162
20180353884
2018-12-13

MULTI-LAYERED FILTER MEDIA

#163
20180347427
2018-12-06

Nanofiber vent device for urea water tank and method for manufacturing same

#164
20180345190
2018-12-06

Catalytic filter material

#165
20180319146
2018-11-08

Filter apparatus having a housing and filter media inside the housing

#166
20180311599
2018-11-01

Stabilized protein fiber air filter materials and methods

#167
20180290118
2018-10-11

Internally reinforced aerogel and uses thereof

#168
20180280844
2018-10-04

Filter medium having excellent heat resistance

#169
20180257015
2018-09-13

Filter cloth for bag filter, method for producing the same, and bag filter

#170
20180243673
2018-08-30

Self-cleaning filter

#171
20180236389
2018-08-23

Electret-containing filter media

#172
20180236385
2018-08-23

ELECTRET-CONTAINING FILTER MEDIA

#173
20180236384
2018-08-23

Electret-containing filter media

#174
20180178150
2018-06-28

Method for producing a filter medium, and a filter medium

#175
20180147513
2018-05-31

Polymeric membranes for separation of gases

#176
20180126316
2018-05-10

Gas filter

#177
20180117508
2018-05-03

Filter including RFID tag

#178
20180015405
2018-01-18

Waved filter media and elements

#179
20170358812
2017-12-14

Filtering device, in particular for the air to be supplied to a fuel cell

#180
20170341006
2017-11-30

Coalescing filter media

#181
20170319993
2017-11-09

Fine fiber media layer

#182
20170203245
2017-07-20

WATER FILTER APPARATUS AND METHOD OF FILTERING FINE PARTICLES FROM WATER

#183
20170197163
2017-07-13

Styrene-acrylonitrile fine fibers, filter media, recirculation filters, and methods

#184
20170189847
2017-07-06

Vehicular air filter providing high efficiency particle and gas filtration

#185
20170173502
2017-06-22

FILTER ELEMENT AND METHOD FOR PRODUCING A FILTER MEDIUM FOR SUCH A FILTER ELEMENT

#186
20170159259
2017-06-08

DEVICE FOR RETAINING SOLIDS, METHODS FOR MANUFACTURING AND FOR SECURING SUCH A DEVICE, FILTRATION DEVICE AND METHODS FOR MANUFACTURING AND DEPLOYING SUCH A DEVICE

#187
20170128876
2017-05-11

Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter

#188
20170087496
2017-03-30

Filter Medium and Use of the Filter Medium

#189
20170077537
2017-03-16

Filtering device, in particular for the air to be supplied to a fuel cell

#190
20170016146
2017-01-19

Nanofiber production apparatus

#191
20170007952
2017-01-12

Interlaced Filtration Barrier

#192
20170007950
2017-01-12

Interlaced filtration barrier

#193
20160361674
2016-12-15

FILTER MEDIA INCLUDING FINE STAPLE FIBERS

#194
20160289249
2016-10-06

Laminated articles for microbial removal and low pressure drop filtration, methods of making, and methods of using same

#195
20160288033
2016-10-06

Filter Medium and Filter Element with a Filter Medium

#196
20160288029
2016-10-06

Fuel Filter

#197
20160279548
2016-09-29

Filter medium

#198
20160236132
2016-08-18

Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter

#199
20160129381
2016-05-12

Filter media and elements

#200
20160114272
2016-04-28

High capacity composite depth filter media with low extractables

#201
20160074788
2016-03-17

Filter medium

#202
20160059167
2016-03-03

Pre-coalescing multi-layered filter media

#203
20160051919
2016-02-25

Multi-layered filter media

#204
20160001208
2016-01-07

Filter means and filter element for treating a flushing liquid for material-removing machining and method for material-removing machining

#205
20150375143
2015-12-31

Helically wrapped filter

#206
20150311554
2015-10-29

Filtering device, in particular for the air to be supplied to a fuel cell

#207
20150298065
2015-10-22

High flux high efficiency nanofiber membranes and methods of production thereof

#208
20150298036
2015-10-22

Apparatus and method using an electric field for creating uniform nanofiber patterns on nonconductive materials to enhance filtration and for embedment of fibers into materials for other applications

#209
20150290561
2015-10-15

Pleated fluid filter element and methods

#210
20150211453
2015-07-30

Self-cleaning air filtering material and preparation method therefor

#211
20150211153
2015-07-30

Metal fiber web based filter

#212
20150182893
2015-07-02

Filter media suitable for hydraulic applications

#213
20150157971
2015-06-11

Interlaced filtration barrier

#214
20150140333
2015-05-21

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

#215
20150121823
2015-05-07

Waved filter media and elements

#216
20150090661
2015-04-02

Low resistance microfabricated filter

#217
20150068973
2015-03-12

Method for preparing a membrane from fibril cellulose and fibril, cellulose membrane

#218
20150013285
2015-01-15

Filter material

#219
20140346107
2014-11-27

Filter media including polymer compositions and blends

#220
20140332476
2014-11-13

Elastomeric depth filter

#221
20140332461
2014-11-13

Poss-modified support element

#222
20140331626
2014-11-13

Pre-coalescing multi-layered filter media

#223
20140302981
2014-10-09

Activated carbon with a metal based component

#224
20140196420
2014-07-17

Fine fiber media layer

#225
20140157742
2014-06-12

Waved filter media and elements

#226
20140130469
2014-05-15

Multi-layered filter media

#227
20140102984
2014-04-17

Fuel filter monitor for fuel streams

#228
20140044756
2014-02-13

Multilayer nanofiber filter

#229
20140013957
2014-01-16

Filtering device, in particular for the air to be supplied to a fuel cell

#230
20130340613
2013-12-26

Absorbent and/or adsorptive filter media

#231
20130306548
2013-11-21

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

#232
20130305671
2013-11-21

Filter medium

#233
20130263738
2013-10-10

High temperature filter

#234
20130192344
2013-08-01

Aerosol generator for EPTFE filter testing and method of use

#235
20130186179
2013-07-25

ePTFE filter for aseptic pharmaceutical use and method of using

#236
20130174736
2013-07-11

Waterproof and salt repellant media and filter

#237
20130140228
2013-06-06

Filter material for fluids and method for producing a filter material

#238
20130118973
2013-05-16

Filter media for a liquid filter using an electrospun nanofiber web, method for manufacturing same, and liquid filter using same

#239
20130112625
2013-05-09

CONSOLIDATED NANOFIBER NONWOVENS AND CONSOLIDATED NANOFIBER NONWOVEN COMPOSITES CONTAINING ROPED FIBER BUNDLES

#240
20130097982
2013-04-25

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

#241
20130068098
2013-03-21

Radiological/biological/aerosol removal system

#242
20130048579
2013-02-28

Ceramic Filter with Nanofibers

#243
20130042589
2013-02-21

FILTER INCLUDING A HOT MELT COATED CONTINUOUS SUBSTRATE

#244
20130030340
2013-01-31

Nonwoven fibrous webs containing chemically active particulates and methods of making and using same

#245
20130025245
2013-01-31

Waved filter media and elements

#246
20130001154
2013-01-03

Fine fiber media layer

#247
20120304602
2012-12-06

WAVED FILTER MEDIA AND ELEMENTS

#248
20120272829
2012-11-01

Air filter with sorbent particles

#249
20120228207
2012-09-13

Plasma filter with laminated prefilter

#250
20120227468
2012-09-13

TUBULAR LIQUID-TREATING FILTER, METHOD FOR CAPTURING AND REMOVING OIL CONTENT IN LIQUID, METHOD FOR PRODUCING BEVERAGE LIQUID, AND METHOD FOR MEASURING OIL GRAM LIFE OF TUBULAR FILTER

#251
20120222679
2012-09-06

Reinforced filter media

#252
20120216496
2012-08-30

Filter cloth for dust collector

#253
20120205044
2012-08-16

Method for forming a filter mat

#254
20120204527
2012-08-16

Fine fiber media layer

#255
20120183799
2012-07-19

Sinter bonded porous metallic coatings

#256
20120171913
2012-07-05

High loft spunbonded web

#257
20120144790
2012-06-14

Pleatable composite filter media

#258
20120135234
2012-05-31

BIODEGRADABLE NANOFIBERS AND IMPLEMENTATIONS THEREOF

#259
20120090469
2012-04-19

MULTICARTRIDGE DIESEL SOOT PARTICULATE FILTER

#260
20120067821
2012-03-22

Filter Medium For Leukocyte Removal

#261
20120067215
2012-03-22

Regenerable pleated filter medium

#262
20120031832
2012-02-09

CYLINDRICAL FILTER

#263
20110289894
2011-12-01

FILTER ELEMENT OF MICROGLASS & NONWOVEN SUPPORT LAYER MEDIA

#264
20110272358
2011-11-10

Media compaction compensating support system for pollutant stream remediation reactors

#265
20110198282
2011-08-18

HIGH FLUX HIGH EFFICIENCY NANOFIBER MEMBRANES AND METHODS OF PRODUCTION THEREOF

#266
20110192125
2011-08-11

Pleatable PTFE filter media with ePTFE membrane

#267
20110188247
2011-08-04

Water-proof and dust-proof membrane assembly and applications thereof

#268
20110162337
2011-07-07

Waved filter media and elements

#269
20110159765
2011-06-30

Sheet of microfiber assembly

#270
20110146493
2011-06-23

FILTER BAG AND LAMINATED FILTER MEDIA

#271
20110139008
2011-06-16

PTFE pleated filter element

#272
20110114573
2011-05-19

Devices and Methods for Removing Contaminants and Other Elements, Compounds, and Species from Fluids

#273
20110084017
2011-04-14

REINFORCED, PLEATED FILTER STRUCTURE

#274
20110067369
2011-03-24

Fine fiber media layer

#275
20110039690
2011-02-17

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

#276
20110036778
2011-02-17

Filter network

#277
20110030557
2011-02-10

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials

#278
20110000845
2011-01-06

High loft spunbonded web

#279
20100326907
2010-12-30

Method and device for removing contaminates from fluid-material

#280
20100326902
2010-12-30

Laminated Filtration Media

#281
20100326028
2010-12-30

Pleated filter with tridirectional scrim

#282
20100313753
2010-12-16

Polyethylene membrane and method of its production

#283
20100307338
2010-12-09

Filter medium

#284
20100307119
2010-12-09

Multilayer nanofiber filter

#285
20100300295
2010-12-02

Air Filter And Air Filter Assembly For Vacuum Cleaner With The Air Filter

#286
20100282682
2010-11-11

Fluid filtration articles and methods of making and using the same

#287
20100269464
2010-10-28

Filter medium and method of manufacturing the same and filter unit

#288
20100252510
2010-10-07

Filter media suitable for hydraulic applications

#289
20100224554
2010-09-09

Corrugated or pleated flat material

#290
20100206803
2010-08-19

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

#291
20100202243
2010-08-12

Screw machine having a vacuum housing insert

#292
20100186595
2010-07-29

COMPOSITE FILTER AND GAS FILTER ASSEMBLY INCLUDING THE SAME

#293
20100178507
2010-07-15

Polyamide Fine Fibers

#294
20100173070
2010-07-08

Porous Substrates, Articles, Systems and Compositions Comprising Nanofibers and Methods of Their Use and Production

#295
20100162895
2010-07-01

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

#296
20100107881
2010-05-06

Waved filter media and elements

#297
20100095846
2010-04-22

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

#298
20100095843
2010-04-22

Air pollution control filter elements for filtration systems

#299
20100071326
2010-03-25

Flame resistant filter apparatus and method

#300
20100064645
2010-03-18

Fine fiber media layer