ClassID:

29779

B01D53/9454 - page 2 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes; Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device

Recent Application in this class:
#301
20070119152
2007-05-31

Exhaust-gas purification system with particulate filter and method of operation thereof with improved regeneration of the particulate filter

#302
20070110650
2007-05-17

Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions

#303
20070104632
2007-05-10

Refractory exhaust filtering method and apparatus

#304
20070104623
2007-05-10

Diesel particulate filters having ultra-thin catalyzed oxidation coatings

#305
20070104621
2007-05-10

Catalytic exhaust device for simplified installation or replacement

#306
20070077190
2007-04-05

Porous honeycomb structure and exhaust gas cleanup device using the same

#307
20070051902
2007-03-08

Apparatus for reducing contaminants in fluid stream comprising a dielectric barrier excimer discharge lamp

#308
20070045101
2007-03-01

Self-regenerating particulate trap systems for emissions and methods thereof

#309
20070041880
2007-02-22

Exhaust treatment device

#310
20070033923
2007-02-15

Metal net for treatment of gases

#311
20070028601
2007-02-08

Device and method for exhaust gas aftertreatment

#312
20070022747
2007-02-01

Holding and sealing member and exhaust emission control device

#313
20070011874
2007-01-18

Exhaust treatment devices and methods of making the same

#314
20070003456
2007-01-04

Filter catalyst and method of analyzing a catalytic layer thereof

#315
20060292342
2006-12-28

Honeycomb structure

#316
20060278323
2006-12-14

Holding and sealing material and manufacturing method thereof

#317
20060234858
2006-10-19

Silicon carbide based catalyst material and method for preparation thereof

#318
20060233678
2006-10-19

Exhaust gas catalytic converter

#319
20060228274
2006-10-12

Exhaust gas purifying apparatus

#320
20060228271
2006-10-12

Porous metal honeycomb support of an automobile exhaust gas cleaning catalyst

#321
20060204409
2006-09-14

Purification system of exhaust gases of an internal combustion engine

#322
20060204408
2006-09-14

Furification system of exhaust gases of an internal combustion engine

#323
20060198984
2006-09-07

Honeycomb structure

#324
20060191244
2006-08-31

Filtration structure for the exhaust gas from an internal combustion engine

#325
20060185335
2006-08-24

Method of manufacturing plugged honeycomb structure, and plugged honeycomb structure

#326
20060177365
2006-08-10

Method and device for treating automotive exhaust

#327
20060177358
2006-08-10

Active catalytic converter

#328
20060156702
2006-07-20

Method and apparatus for filtering exhaust particulates

#329
20060140826
2006-06-29

Exhaust manifold comprising aluminide on a metallic substrate

#330
20060107654
2006-05-25

Method and apparatus for reducing pollutants in engine exhaust

#331
20060089255
2006-04-27

Exhaust gas purifying catalyst and exhaust gas purifying device therewith for vehicle

#332
20060080953
2006-04-20

Method for regenerating a particle trap and exhaust system

#333
20060075731
2006-04-13

Honeycomb structural body

#334
20060059900
2006-03-23

Exhaust gas purification system

#335
20060053776
2006-03-16

Management of thermal fluctuations in lean NOx adsorber aftertreatment systems

#336
20060029527
2006-02-09

Device for reducing polluting substances present in exhaust gases of an internal-combustion engine

#337
20060029526
2006-02-09

Exhaust gas purification filter for diesel internal combustion engine and method for manufacturing the same and exhaust gas purification apparatus

#338
20060021330
2006-02-02

System for controlling NOx emissions during restarts of hybrid and conventional vehicles

#339
20060008399
2006-01-12

Reactor with primary and secondary channels

#340
20060008395
2006-01-12

Exhaust gas treatment device and method for making the same

#341
20050271561
2005-12-08

Automotive exhaust component and method of manufacture

#342
20050268598
2005-12-08

Thermoelectric catalytic converter temperature control

#343
20050266991
2005-12-01

Honeycomb structural body

#344
20050262830
2005-12-01

Internal combustion engine installation comprising a direct-injection otto engine and a catalyst system

#345
20050261128
2005-11-24

Honeycomb catalyst carrier and method for production thereof

#346
20050257516
2005-11-24

Method and apparatus for regenerating NOx adsorbers

#347
20050252202
2005-11-17

Integrated apparatus for removing pollutants from a fluid stream in a lean-burn environment with heat recovery

#348
20050249645
2005-11-10

Catalyst and adsorbant bed configurations suitable for mobile applications

#349
20050247048
2005-11-10

Device and method for aftertreating exhaust gases

#350
20050247038
2005-11-10

Honeycomb structural body and manufacturing method thereof

#351
20050232830
2005-10-20

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

#352
20050223699
2005-10-13

Bypass controlled regeneration of NOx adsorbers

#353
20050220679
2005-10-06

System for automobile exhaust gas purification

#354
20050214504
2005-09-29

Honeycomb structural body

#355
20050214178
2005-09-29

Catalytic converter system and method of making the same

#356
20050207946
2005-09-22

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

#357
20050181172
2005-08-18

Ceramics honeycomb structural body and method of manufacturing the structural body

#358
20050176581
2005-08-11

Catalyst carrier and method of producing same

#359
20050170955
2005-08-04

Exhaust gas purifying catalyst and method of producing same

#360
20050170953
2005-08-04

Exhaust-gas purifying catalyst

#361
20050169818
2005-08-04

Filter for exhaust gas decontamination

#362
20050163676
2005-07-28

Honeycomb structure and catalytic converter

#363
20050160710
2005-07-28

Honeycomb filter for exhaust gas decontamination and exhaust gas decontamination apparatus

#364
20050159310
2005-07-21

Catalyst carrier and method of producing same

#365
20050153099
2005-07-14

Honeycomb filter for clarifying exhaust gases

#366
20050142042
2005-06-30

Exhaust treatment devices, catalyst, and methods of making and using the same

#367
20050135977
2005-06-23

Multi-part catalyst system for exhaust treatment elements

#368
20050102987
2005-05-19

Ceramic filter and exhaust gas decontamination unit

#369
20050100488
2005-05-12

Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from the combustion of a fuel

#370
20050100486
2005-05-12

Processing method utilizing display information for carrying a cell structure with a catalytic component

#371
20050095179
2005-05-05

Honeycomb structure, method of manufacturing the structure, and exhaust emission control system

#372
20050079115
2005-04-14

Methodology for the effective stabilization of tin-oxide-based oxidation/reduction catalysts

#373
20050074374
2005-04-07

Filter catalyst for purifying exhaust gases

#374
20050054526
2005-03-10

Coated substrate and process of preparation thereof

#375
20050050870
2005-03-10

Method and apparatus for filtering exhaust particulates

#376
20050044847
2005-03-03

Photocatalytic reactor

#377
20050039446
2005-02-24

Apparatus for purifying exhaust gas of internal combustion engine

#378
20050036923
2005-02-17

End cone construction for catalytic converters and method for making same

#379
20050020443
2005-01-27

Method of making a NOx adsorber catalyst

#380
18479978
2024-08-27

System and method for engine cold start

#381
17651700
2023-06-27

Device for the reduction of ammonia and nitrogen oxides emissions

#382
16406353
2020-03-24

Modified ferrite catalysts for direct no decomposition and a method of making and using a catalyst

#383
16040933
2019-04-23

Method for manufacturing electro-catalytic honeycomb for controlling exhaust emissions