ClassID:

138061

F01N2330/60 - CPC Classification

Classification description:

Structure of catalyst support or particle filter Discontinuous, uneven properties of filter material, e.g. different material thickness along the longitudinal direction; Higher filter capacity upstream than downstream in same housing

Recent Application in this class:
#1
20250018323
2025-01-16

HONEYCOMB FILTER BODIES AND PARTICULATE FILTERS COMPRISING HONEYCOMB FILTER BODIES

#2
20230127269
2023-04-27

Catalytically active particle filter with a high degree of filtration efficiency

#3
20220347626
2022-11-03

Exhaust gas purification device

#4
20220325644
2022-10-13

Honeycomb filter bodies and particulate filters comprising honeycomb filter bodies

#5
20220316373
2022-10-06

HONEYCOMB STRUCTURE

#6
20220226760
2022-07-21

Exhaust gas purification filter

#7
20210396167
2021-12-23

Catalytically active particle filter with a high degree of filtration efficiency

#8
20210162344
2021-06-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#9
20210031178
2021-02-04

Honeycomb bodies with varying cell densities and extrusion dies for the manufacture thereof

#10
20200123956
2020-04-23

Heater, method of manufacturing the same, and system

#11
20190301334
2019-10-03

Catalyst article for use in an emission treatment system

#12
20190299159
2019-10-03

OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST

#13
20190234270
2019-08-01

Substrate shape, geometry, positioning, and/or cell density to improve aftertreatment performance

#14
20190211730
2019-07-11

Method For Producing A Honeycomb Body

#15
20190178138
2019-06-13

Honeycomb body for exhaust gas aftertreatment

#16
20190160456
2019-05-30

Honeycomb structure

#17
20190010842
2019-01-10

Emissions control substrate

#18
20190001268
2019-01-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#19
20180353892
2018-12-13

HONEYCOMB BODY THERMAL BARRIER, EXHAUST GAS TREATMENT ARTICLE, EXHAUST SYSTEM, AND METHODS OF MANUFACTURING SAME

#20
20180119589
2018-05-03

Catalytic wall-flow filter with partial surface coating

#21
20180080359
2018-03-22

SCR diesel particle filter with oxidation catalyst and oxygen storage catalyst loadings, and exhaust system including the same

#22
20180023444
2018-01-25

Exhaust gas cleaning catalyst

#23
20180015411
2018-01-18

Exhaust gas cleaning catalyst

#24
20170355164
2017-12-14

Honeycomb structure

#25
20170326539
2017-11-16

Honeycomb structure

#26
20170314436
2017-11-02

Plugged honeycomb structure and method for forming plugged honeycomb structure

#27
20170298798
2017-10-19

Honeycomb structure body and method of designing honeycomb structure body

#28
20170297005
2017-10-19

Exhaust gas purification catalyst

#29
20170274554
2017-09-28

Honeycomb structure

#30
20170241312
2017-08-24

Particulate filter

#31
20170204760
2017-07-20

Honeycomb structure

#32
20170197179
2017-07-13

Catalyst for internal combustion engine exhaust gas purification, and system for same

#33
20170157559
2017-06-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

#34
20170107885
2017-04-20

Exhaust gas purification system of internal combustion engine having turbocharger

#35
20170106337
2017-04-20

Oxidation catalyst for a diesel engine exhaust

#36
20170082005
2017-03-23

Exhaust gas purifying device

#37
20170002711
2017-01-05

Metal substrate for catalytic converters

#38
20160375429
2016-12-29

Catalytic wall-flow filter having a membrane

#39
20160375395
2016-12-29

Sealed honeycomb structure

#40
20160298511
2016-10-13

Exhaust purification system for internal combustion engine

#41
20160288449
2016-10-06

Honeycomb structure and manufacturing method of honeycomb structure

#42
20160281562
2016-09-29

Exhaust gas purification filter, exhaust gas purifier, and method of using exhaust gas purifier

#43
20160265411
2016-09-15

Exhaust purification device for internal combustion engine

#44
20160228817
2016-08-11

Automotive catalytic aftertreatment system

#45
20160074800
2016-03-17

Honeycomb structure

#46
20160038877
2016-02-11

Catalyst converter

#47
20150377109
2015-12-31

Honeycomb structure body and method of designing honeycomb structure body

#48
20150375204
2015-12-31

Catalytic converter

#49
20150292387
2015-10-15

Exhaust purification device for internal combustion engine

#50
20150283504
2015-10-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

#51
20150252704
2015-09-10

Honeycomb structure body

#52
20150211397
2015-07-30

Exhaust gas purification filter and method of producing the same

#53
20150121826
2015-05-07

Honeycomb filter

#54
20150121824
2015-05-07

Honeycomb filter and production method for honeycomb filter

#55
20150086748
2015-03-26

Honeycomb structure

#56
20150072104
2015-03-12

Honeycomb structure

#57
20150059321
2015-03-05

Particulate filter

#58
20150004353
2015-01-01

Honeycomb structural body

#59
20140333000
2014-11-13

Ceramic honeycomb filter and its production method

#60
20140290218
2014-10-02

Apparatus and method for engine backpressure reduction

#61
20140290197
2014-10-02

Honeycomb structure

#62
20140287192
2014-09-25

Honeycomb structural body

#63
20140212339
2014-07-31

Honeycomb structure

#64
20140167331
2014-06-19

Method for producing a ceramic filter element

#65
20140127455
2014-05-08

Honeycomb structure

#66
20140093436
2014-04-03

Honeycomb filter

#67
20140023561
2014-01-23

Exhaust cleaner for internal combustion engine

#68
20130316130
2013-11-28

Honeycomb structure body

#69
20130138325
2013-05-30

Method of controlling low-pressure fuel pump for GDI engine

#70
20130115138
2013-05-09

Exhaust purification system of internal combustion engine

#71
20130071608
2013-03-21

Honeycomb structure

#72
20130058839
2013-03-07

Wall flow type exhaust gas purification filter

#73
20130025266
2013-01-31

Stratified particulate filter regeneration system

#74
20130019579
2013-01-24

Ceramic honeycomb filter and its production method

#75
20120070346
2012-03-22

Honeycomb filter

#76
20120058019
2012-03-08

Honeycomb filter

#77
20120017555
2012-01-26

HONEYCOMB FILTER AND METHOD FOR MANUFACTURING THE SAME

#78
20120017554
2012-01-26

HONEYCOMB FILTER AND METHOD FOR MANUFACTURING THE SAME

#79
20120009093
2012-01-12

Honeycomb filter and method for producing honeycomb filter

#80
20120009092
2012-01-12

Honeycomb filter and method for producing honeycomb filter

#81
20120006006
2012-01-12

Exhaust Gas Treatment Device and Method for Operating an Exhaust Gas Treatment Device

#82
20110250382
2011-10-13

Honeycomb structure and method for manufacturing honeycomb structure

#83
20110236628
2011-09-29

Ceramic honeycomb filter with enhanced thermal shock resistance

#84
20110185709
2011-08-04

Low Temperature Diesel Particulate Matter Reduction System

#85
20110167800
2011-07-14

Even-loading DPF and regeneration thereof

#86
20110146251
2011-06-23

Exhaust system for a vehicle having a “stop-start” compression ignition engine

#87
20110138782
2011-06-16

Particle filter arrangement

#88
20110085953
2011-04-14

Exhaust gas purifying apparatus and method for purifying exhaust gas

#89
20100263358
2010-10-21

Multi-zoned catalyst compositions

#90
20100154370
2010-06-24

SYSTEM AND METHODS FOR PARTICULATE FILTER

#91
20100139261
2010-06-10

Exhaust Gas Filter System

#92
20100124519
2010-05-20

Particulate filter and method of making

#93
20100062212
2010-03-11

Hydrocarbon reformer substrate having a graded structure for thermal control

#94
20100061900
2010-03-11

Exhaust-gas converting filter and production process for the same

#95
20100050874
2010-03-04

Exhaust after treatment system and method

#96
20100037600
2010-02-18

Particle separator, especially a particle filter, for the separation of particles from the exhaust gas stream of an internal combustion engine

#97
20100034981
2010-02-11

METHOD FOR PRODUCING A CERAMIC FILTER ELEMENT

#98
20090320457
2009-12-31

NOx adsorber catalyst with superior low temperature performance

#99
20090305873
2009-12-10

HONEYCOMB STRUCTURE

#100
20090291836
2009-11-26

Honeycomb structure

#101
20090291034
2009-11-26

Honeycomb structure, exhaust gas conversion apparatus, and manufacturing method of the honeycomb structure

#102
20090269548
2009-10-29

HONEYCOMB SEGMENT AND HONEYCOMB STRUCTURE

#103
20090255237
2009-10-15

SCR catalytic converter without NH3 or urea injection

#104
20090239031
2009-09-24

Plugged honeycomb structure

#105
20090145117
2009-06-11

Exhaust gas aftertreatment system

#106
20090124494
2009-05-14

Catalyst For Purifying Exhaust Gases and Exhaust-Gas Purification Controller Using the Same

#107
20090056546
2009-03-05

Partial flow exhaust filter

#108
20090007544
2009-01-08

Method and device for reducing the number of particles in the exhaust gas of an internal combustion engine

#109
20080314032
2008-12-25

Segmented Particulate Filter For An Engine Exhaust Stream

#110
20080282669
2008-11-20

Particulate filter having expansible capture structure for particulate removal

#111
20080276586
2008-11-13

HONEYCOMB FILTER AND METHOD FOR MANUFACTURING THE SAME

#112
20080245060
2008-10-09

Particle filter arrangement

#113
20080241013
2008-10-02

Honeycomb filter and exhaust gas purifying apparatus

#114
20080141661
2008-06-19

Zone coated filter, emission treatment systems and methods

#115
20080098724
2008-05-01

Exhaust gas purifying apparatus

#116
20080041040
2008-02-21

Exhaust gas post treatment system

#117
20080017572
2008-01-24

CERAMIC FILTER AND EXHAUST GAS PURIFICATION APPARATUS

#118
20070241033
2007-10-18

Hydrocarbon processing devices and systems for engines and combustion equipment

#119
20070240406
2007-10-18

Low temperature diesel particulate matter reduction system

#120
20070163233
2007-07-19

Apparatus for sensing particulates in a gas flow stream

#121
20070077190
2007-04-05

Porous honeycomb structure and exhaust gas cleanup device using the same

#122
20060156702
2006-07-20

Method and apparatus for filtering exhaust particulates

#123
20060021507
2006-02-02

Particulate trap with selective blocking element

#124
20050178111
2005-08-18

Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method

#125
20050102987
2005-05-19

Ceramic filter and exhaust gas decontamination unit

#126
20050050870
2005-03-10

Method and apparatus for filtering exhaust particulates