ClassID:

29540

B01D46/247 - page 2 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element; Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the cells

Recent Application in this class:
#301
20090173050
2009-07-09

Porous β-SiC-containing ceramic molded article comprising an aluminum oxide coating, and method for the production thereof

#302
20090139193
2009-06-04

Wall-flow honeycomb filter having high storage capacity and low backpressure

#303
20090118121
2009-05-07

Exhaust Emission Control Catalyst and Exhaust Emission Control System

#304
20090056546
2009-03-05

Partial flow exhaust filter

#305
20090049815
2009-02-26

Thin-walled porous ceramic wall-flow filter

#306
20090038294
2009-02-12

Tuning particulate filter performance through selective plugging and use of multiple particulate filters to reduce emissions and improve thermal robustness

#307
20090025349
2009-01-29

Ceramic honeycomb filter

#308
20090019844
2009-01-22

Exhaust gas purification system utilizing ozone

#309
20090011181
2009-01-08

HONEYCOMB STRUCTURE BODY COMPOSED OF A PLURALITY OF HEXAGONAL CELLS

#310
20090011176
2009-01-08

Honeycomb structure and method of manufacturing the same

#311
20090005240
2009-01-01

Ceramic structure and process for producing the same

#312
20090004431
2009-01-01

HONEYCOMB STRUCTURAL BODY AND EXHAUST GAS PURIFYING DEVICE

#313
20080314032
2008-12-25

Segmented Particulate Filter For An Engine Exhaust Stream

#314
20080311340
2008-12-18

HONEYCOMB STRUCTURE AND PRODUCTION METHOD THEREOF

#315
20080295469
2008-12-04

Honeycomb filter

#316
20080282657
2008-11-20

FILTER AND METHOD OF MAKING

#317
20080274020
2008-11-06

Carrier for exhaust-gas purification and exhaust-gas purifier having the carrier

#318
20080264010
2008-10-30

Honeycomb filter system

#319
20080247918
2008-10-09

HONEYCOMB FILTER, EXHAUST GAS PURIFYING APPARATUS, AND METHOD FOR MANUFACTURING HONEYCOMB FILTER

#320
20080236394
2008-10-02

Honeycomb structure and method for manufacturing honeycomb structure

#321
20080236115
2008-10-02

HONEYCOMB FILTER AND EXHAUST GAS PURIFICATION DEVICE

#322
20080190083
2008-08-14

Honeycomb structural body and exhaust gas treating apparatus

#323
20080190081
2008-08-14

Honeycomb structure and exhaust gas treatment device

#324
20080160250
2008-07-03

Assembled honeycomb

#325
20080155951
2008-07-03

POROUS SUBSTRATE FOR USE AS A PARTICULATE FILTER FOR CATALYTIC OR NON-CATALYTIC SUPPORTED SOOT REGENERATION

#326
20080124517
2008-05-29

Wall-flow honeycomb filter with hexagonal channel symmetry

#327
20080120950
2008-05-29

HONEYCOMB FILTER AND CERAMIC FILTER ASSEMBLY

#328
20080110143
2008-05-15

Filters with controlled submicron porosity

#329
20080087007
2008-04-17

Particulate matter detection sensor

#330
20080086993
2008-04-17

Honeycomb structural body

#331
20080072573
2008-03-27

Monolithic element with reinforced corners for the filtration of particles

#332
20080053048
2008-03-06

Cast formed filter and method of making the same

#333
20080017572
2008-01-24

CERAMIC FILTER AND EXHAUST GAS PURIFICATION APPARATUS

#334
20080004171
2008-01-03

High porosity filters for 4-way exhaust gas treatment

#335
20070294989
2007-12-27

Honeycomb structure and method of manufacturing the same

#336
20070240406
2007-10-18

Low temperature diesel particulate matter reduction system

#337
20070238256
2007-10-11

Catalytic flow-through fast light off ceramic substrate and method of manufacture

#338
20070234714
2007-10-11

Device for reducing particles of an exhaust gas, exhaust gas purification system and vehicle having the device or the system

#339
20070231539
2007-10-04

Honeycomb structure and honeycomb catalytic body

#340
20070231538
2007-10-04

Honeycomb structure

#341
20070231536
2007-10-04

Honeycomb structure

#342
20070231533
2007-10-04

Radial cell ceramic honeycomb structure

#343
20070227109
2007-10-04

Filter

#344
20070220871
2007-09-27

Method and apparatus for filtration of a two-stroke engine exhaust

#345
20070207070
2007-09-06

Catalytic exhaust filter device

#346
20070175178
2007-08-02

Ceramic honeycomb structure having reduced stress web-skin joints

#347
20070160943
2007-07-12

Monolith for use in regenerative oxidizer systems

#348
20070148402
2007-06-28

Honeycomb structured body

#349
20070144127
2007-06-28

Block for filtering particles contained in exhaust gases of an internal combustion engine

#350
20070130897
2007-06-14

Honeycomb structured body, method for manufacturing honeycomb structured body, and exhaust gas purifying device

#351
20070128405
2007-06-07

Honeycomb structured body, method for manufacturing honeycomb structured body and exhaust gas purifying device

#352
20070107398
2007-05-17

Method of manufacturing a cordierite structure

#353
20070107397
2007-05-17

Narrow pore size distribution cordierite filters with reduced pressure drop

#354
20070105707
2007-05-10

Method for manufacturing honeycomb structure

#355
20070092693
2007-04-26

Honeycomb structure

#356
20070059484
2007-03-15

Honeycomb filter for clarifying exhaust gas and method for manufacture thereof

#357
20070054803
2007-03-08

Honeycomb structure and honeycomb catalytic body

#358
20070048494
2007-03-01

Honeycomb structure and honeycomb catalytic body

#359
20060292340
2006-12-28

Honeycomb structure, honeycomb structure aggregate, and honeycomb structure catalyst

#360
20060254231
2006-11-16

Filter and filter assembly

#361
20060230732
2006-10-19

Honeycomb structure

#362
20060217262
2006-09-28

Honeycomb structured body

#363
20060216464
2006-09-28

Ceramic filter

#364
20060213163
2006-09-28

Ceramic filter for exhaust gas emission control

#365
20060198984
2006-09-07

Honeycomb structure

#366
20060194018
2006-08-31

Honeycomb structured body

#367
20060193756
2006-08-31

Honeycomb structure

#368
20060191248
2006-08-31

Ceramic wall-flow filter including heat absorbing elements and methods of manufacturing same

#369
20060188415
2006-08-24

Honeycomb structured body

#370
20060177629
2006-08-10

Honeycomb structural body and sealing material layer

#371
20060175250
2006-08-10

Ceramic filter

#372
20060168928
2006-08-03

Filter unit for filtering particles contained in exhaust gas of an internal combusting engine

#373
20060159602
2006-07-20

Honeycomb structural body

#374
20060150598
2006-07-13

Sealed honeycomb structure and method of producing the same

#375
20060144027
2006-07-06

Ceramic filter structure

#376
20060120937
2006-06-08

Multi-functional substantially fibrous mullite filtration substrates and devices

#377
20060107627
2006-05-25

Industrial scale honeycomb type dust collector

#378
20060093784
2006-05-04

Honeycomb structural body

#379
20060073970
2006-04-06

Honeycomb structure body

#380
20060070364
2006-04-06

Filter and method of making

#381
20060059878
2006-03-23

Filter block for filtering particles contained in the exhaust gas of a combustion engine

#382
20060037297
2006-02-23

Ceramic honeycomb filter

#383
20060032203
2006-02-16

Honeycomb structural body

#384
20060021310
2006-02-02

Honeycomb filter and ceramic filter assembly

#385
20060019061
2006-01-26

Honeycomb structured body and exhaust gas purifying device

#386
20050274097
2005-12-15

Diesel particulate filter with filleted corners

#387
20050274096
2005-12-15

Plugged honeycomb structure and method of manufacturing the same

#388
20050272602
2005-12-08

Honeycomb structural body and exhaust gas purifying device

#389
20050266992
2005-12-01

Honeycomb structure

#390
20050241266
2005-11-03

Honeycomb structure and die for forming honeycomb structure

#391
20050235622
2005-10-27

Diesel engine exhaust filters

#392
20050214503
2005-09-29

Honeycomb structural body

#393
20050210848
2005-09-29

Honeycomb structure and method of manufacturing the same

#394
20050166562
2005-08-04

Asymmetric honeycomb wall-flow filter having improved structural strength

#395
20050161148
2005-07-28

Method of manufacturing ceramic honeycomb structural body, and ceramic honeycomb structural body

#396
20050138921
2005-06-30

Exhaust emission control system, method of calculating pressure loss of filter, and method of manufacturing filter

#397
20050126140
2005-06-16

Honeycomb filter

#398
20050107244
2005-05-19

Cell structural body, method of manufacturing cell structural body, and catalyst structural body

#399
20050102987
2005-05-19

Ceramic filter and exhaust gas decontamination unit

#400
20050091952
2005-05-05

Ceramic body based on aluminum titanate

#401
20050076627
2005-04-14

Honeycomb filter

#402
20050066639
2005-03-31

Asymmetric honeycomb wall-flow filter having improved structural strength

#403
20050016141
2005-01-27

Filter

#404
20050016140
2005-01-27

Honeycomb structure

#405
20050011174
2005-01-20

Honeycomb structure