ClassID:

29455

B01D46/0032 - page 2 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters

Recent Application in this class:
#301
20150157971
2015-06-11

Interlaced filtration barrier

#302
20150152849
2015-06-04

WIND-ENERGY CONVERSION SYSTEMS WITH AIR CLEANERS

#303
20150135668
2015-05-21

FILTER MEDIUM CONSISTING OF SYNTHETIC POLYMER

#304
20150121823
2015-05-07

Waved filter media and elements

#305
20150110911
2015-04-23

Nanoparticle filtering environmental control units

#306
20150101486
2015-04-16

Air filter comprising a microperforated film, and method of using

#307
20150082985
2015-03-26

Recirculation filter for an electronic enclosure

#308
20150075373
2015-03-19

Room air purifier with pressurization relief

#309
20150047508
2015-02-19

Framed pleated air filter with upstream bridging filaments

#310
20150047507
2015-02-19

Nestable framed pleated air filter and method of making

#311
20140366883
2014-12-18

Filter box assembly and filter unit

#312
20140326145
2014-11-06

Tabletop cooking assembly

#313
20140260973
2014-09-18

Method and apparatus for recycling ash fines

#314
20140150658
2014-06-05

HVAC filtration system

#315
20140109555
2014-04-24

Method for treating exhaust gas containing soot particles

#316
20140043711
2014-02-13

Recirculation filter for an electronic enclosure

#317
20130255482
2013-10-03

Electrically-driven particulate agglomeration in a combustion system

#318
20130180222
2013-07-18

Dust removal device

#319
20130139691
2013-06-06

Heat stabilized composite filter media and method of making the filter media

#320
20130025245
2013-01-31

Waved filter media and elements

#321
20120304864
2012-12-06

Dust filter assembly attachable to office equipment

#322
20120272829
2012-11-01

Air filter with sorbent particles

#323
20120260803
2012-10-18

Active field polarized media air cleaner

#324
20120216674
2012-08-30

Device and method for treating exhaust gas containing soot particles

#325
20120186233
2012-07-26

Device and method for treating exhaust gas containing soot particles and motor vehicle having the device and carrying out the method

#326
20120174773
2012-07-12

Gas purification apparatus and method

#327
20120167337
2012-07-05

Separating apparatus

#328
20120111188
2012-05-10

Hot sieving electrostatic precipitator

#329
20120097035
2012-04-26

Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents

#330
20120003894
2012-01-05

ELECTRET FILTER FOR VEHICULAR COMPARTMENT INTERIOR AND PRODUCTION METHOD THEREOF

#331
20110219954
2011-09-15

Electrically enhanced air filtration system using rear fiber charging

#332
20110174157
2011-07-21

Air filter formed by slit and expanded layers of electrostatically enhanced material

#333
20110162653
2011-07-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#334
20110132195
2011-06-09

Method for manufacturing electrostatic non-woven intake filter and electrostatic non-woven intake filter using the same

#335
20110113755
2011-05-19

Filter device for filtering automobile exhaust gas

#336
20110067505
2011-03-24

Devices, systems and methods for elution of particles from flat filters

#337
20110021861
2011-01-27

HAZARDOUS SUBSTANCE-REMOVING MATERIAL

#338
20100326902
2010-12-30

Laminated Filtration Media

#339
20100326279
2010-12-30

Active field polarized media air cleaner

#340
20100294313
2010-11-25

USE OF MODIFIED OPEN-CELL FOAM MATERIALS IN VACUUM CLEANERS

#341
20100293907
2010-11-25

Air purifier

#342
20100285728
2010-11-11

Dust collection device for sanding tool

#343
20100252047
2010-10-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

#344
20100242737
2010-09-30

ENVIRONMENTAL PROTECTION DOUBLE LAYER OIL SMOKE FILTER DEVICE FOR KITCHEN RANGE

#345
20100242221
2010-09-30

Separating apparatus

#346
20100202945
2010-08-12

Method and apparatus for the enhanced removal of aerosols and vapor phase contaminants from a gas stream

#347
20100175389
2010-07-15

Apparatus for filtering gas turbine inlet air

#348
20100166451
2010-07-01

TONER DUST FILTER

#349
20100159815
2010-06-24

PREFILTER FOR SPRAY PAINT BOOTH AND METHOD OF REDUCING CONTAMINATION

#350
20100158778
2010-06-24

Apparatus for purifying air and purifying method thereof

#351
20100107881
2010-05-06

Waved filter media and elements

#352
20100101199
2010-04-29

Layer for use in a HEPA filter element

#353
20100058927
2010-03-11

AIR FILTER ARRANGEMENT AND A METHOD FOR MANUFACTURING THE SAME

#354
20100026967
2010-02-04

Powder dust capture device and projection type image display device

#355
20100024639
2010-02-04

Methods for operating a filtration system

#356
20100011532
2010-01-21

FILTER ASSEMBLY

#357
20100011531
2010-01-21

FILTER ASSEMBLY

#358
20090320678
2009-12-31

Sorbent Filter for the Removal of Vapor Phase Contaminants

#359
20090314163
2009-12-24

Nanoparticle filter apparatus for ambient air

#360
20090277325
2009-11-12

Electrostatic particulate separation for emission treatment systems

#361
20090266048
2009-10-29

Turbine Air-Intake Filter

#362
20090255404
2009-10-15

Composite filter media

#363
20090241777
2009-10-01

Filter structure for filtering a particle-containing gas, method of its manufacture and use of porous paper

#364
20090229468
2009-09-17

Apparatus for filtering gas turbine inlet air

#365
20090205498
2009-08-20

Air cleaner

#366
20090158926
2009-06-25

Systems and methods for removal of particulate matter in a filtration system

#367
20090095160
2009-04-16

ELECTROSTATICALLY CHARGED ENGINE INTAKE FILTER MEDIA

#368
20090064862
2009-03-12

Air filter formed from slit and expanded layers of electrostatically enhanced material

#369
20090056548
2009-03-05

Dust collection device for sanding tool

#370
20090025552
2009-01-29

Gas purification apparatus and method

#371
20090010801
2009-01-08

AIR CLEANER

#372
20080216657
2008-09-11

Air purifier for removing particles or contaminants from air

#373
20080190772
2008-08-14

APPARATUS AND METHOD FOR REMOVING PARTICLES FROM AIR

#374
20080115704
2008-05-22

Method and apparatus for the enhanced removal of aerosols and vapor phase contaminants from a gas stream

#375
20080105121
2008-05-08

Sorbent filter for the removal of vapor phase contaminants

#376
20080105120
2008-05-08

Method and apparatus for the enhanced removal of aerosols from a gas stream

#377
20070199449
2007-08-30

Active field polarized media air cleaner

#378
20070095036
2007-05-03

Apparatus and method for filtering particulate from high temperature gas streams using a composite filter.

#379
20070056254
2007-03-15

Vehicle equipped with public service air filter

#380
20070039858
2007-02-22

Nanocarpets for trapping particulates, bacteria and spores

#381
20060174768
2006-08-10

Apparatus and method for the removal of particulate matter in a filtration system

#382
20060060085
2006-03-23

Composite filter media

#383
20060037475
2006-02-23

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

#384
20060032372
2006-02-16

Grooved active and passive adsorbent filters

#385
20060032371
2006-02-16

Adsorbent breather filter

#386
20050193696
2005-09-08

Composite filter media

#387
20050176325
2005-08-11

Electret filter media and process for producing the same

#388
20050013772
2005-01-20

Non-oxidizing hydrocarbon fuel reformer and a method of performing the same

#389
19210462
2026-01-27

Cabin air filter removal and installation tool and method of using the same

#390
18587713
2024-07-02

Method for preparing unbreakable micro-electrostatic filter

#391
16895741
2020-12-22

Air filtration system, air filtration device, and air filtration module for use therewith

#392
14226707
2014-09-16

Method for filtering air

#393
14226693
2014-09-16

Interlocking filtration system