ClassID:

137866

F01N3/2807 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus; Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support Metal other than sintered metal

Sub-classes:
Recent Application in this class:
#1
20260077339
2026-03-19

CATALYST FOR THE TREATMENT OF AN EXHAUST GAS STREAM CONTAINING ONE OR MORE OF FORMALDEHYDE, NITROGEN OXIDE (NO), AND HYDROCARBONS HAVING A SPECIFIC MN LOADING

#2
20250367603
2025-12-04

TWO-LAYER, THREE-WAY CATALYST WITH SIGNIFICANTLY IMPROVED CO CONVERSION

#3
20250289029
2025-09-18

TOOL FOR CATALYST COATING APPARATUS, AND CATALYST COATING APPARATUS

#4
20250001406
2025-01-02

Method for Producing Exhaust gas Purification Catalyst and Exhaust gas Purification Catalyst

#5
20230184461
2023-06-15

HEATING DEVICE FOR HEATING A GAS STREAM

#6
20220412242
2022-12-29

Exhaust gas aftertreatment device

#7
20220297097
2022-09-22

Zinc manganese-iron spinel with an alkali metal stabilizer as an oxygen storage material resistant to rich/lean aging

#8
20220106900
2022-04-07

Exhaust gas purification device

#9
20220001370
2022-01-06

Layered catalysts composition and catalytic article and methods of manufacturing and using the same

#10
20210394159
2021-12-23

Bi-metallic three-way catalyst materials and appurtenant devices and systems

#11
20210291113
2021-09-23

Catalyst device

#12
20210285354
2021-09-16

Systems and methods for nickel-based gasoline particulate filter

#13
20210262373
2021-08-26

Catalyst layer forming material, catalyst apparatus constituent material, catalyst apparatus, and methods for manufacturing the same

#14
20210207514
2021-07-08

EXHAUST GAS PURIFICATION APPARATUS

#15
20210172359
2021-06-10

High Conductive Exhaust Components for Deposit Prevention & Mitigation

#16
20210095589
2021-04-01

Exhaust gas purification apparatus

#17
20200347763
2020-11-05

NIOBIUM OXIDE DOPED MATERIALS AS RHODIUM SUPPORTS FOR THREE-WAY CATALYST APPLICATION

#18
20200346200
2020-11-05

Exhaust gas purification device using metal substrate and production method therefor

#19
20200330966
2020-10-22

Surface-treated silicoaluminophosphate molecular sieve

#20
20200276563
2020-09-03

Catalyst for automotive emissions control

#21
20200102868
2020-04-02

NOVEL TWC CATALYSTS FOR GASOLINE EXHAUST GAS APPLICATIONS

#22
20200070126
2020-03-05

EXHAUST GAS-PURIFYING CATALYST COMPOSITION AND METHOD FOR PRODUCING THE SAME, AND AUTOMOBILE EXHAUST GAS-PURIFYING CATALYST

#23
20190345862
2019-11-14

Catalyst structure

#24
20190336949
2019-11-07

Exhaust gas purification catalyst

#25
20190301334
2019-10-03

Catalyst article for use in an emission treatment system

#26
20190270081
2019-09-05

CATALYTIC AND SORPTIVE ARTICLES COMPRISING METAL FIBER FELT SUBSTRATES

#27
20190255485
2019-08-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#28
20190249269
2019-08-15

Stainless steel sheet and stainless steel foil

#29
20190240648
2019-08-08

Chabazite zeolite for substrate coating

#30
20190145298
2019-05-16

Catalytic converter substrates comprising triply periodic minimal surfaces

#31
20190128168
2019-05-02

Structures for catalytic converters

#32
20190070590
2019-03-07

Powder for catalysts and catalyst for exhaust gas purification

#33
20190001305
2019-01-03

Method for the preparation of a catalysed monolith

#34
20180361360
2018-12-20

Catalyst system for lean gasoline direct injection engines

#35
20180280935
2018-10-04

EXHAUST GAS PURIFICATION CATALYST

#36
20180169624
2018-06-21

NOx ADSORBER CATALYST

#37
20180163599
2018-06-14

Exhaust purifying apparatus

#38
20180111112
2018-04-26

Catalysts with atomically dispersed platinum group metal complexes

#39
20180065083
2018-03-08

DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY

#40
20180058286
2018-03-01

METHOD AND APPARATUS TO MINIMIZE DEACTIVATION OF A LOW TEMPERATURE NOx ADSORBER IN AN EXHAUST AFTERTREATMENT SYSTEM

#41
20180051614
2018-02-22

Emissions control substrate

#42
20170298795
2017-10-19

AUTOMATIC PURIFYING DEVICE FOR ENGINE EXHAUST GASES

#43
20170284263
2017-10-05

Emissions control substrate

#44
20170284261
2017-10-05

Device for providing a liquid additive

#45
20170232502
2017-08-17

Apparatus and method for forming an antipollution device housing

#46
20170209854
2017-07-27

Exhaust gas-purifying catalyst

#47
20170197179
2017-07-13

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

#48
20170096922
2017-04-06

Exhaust system comprising a passive NOadsorber

#49
20170087512
2017-03-30

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#50
20170037755
2017-02-09

Catalyst subassembly, device comprising same for purifying exhaust gases from an internal combustion engine, modular system for the subassembly, and method for manufacturing the subassembly

#51
20160339389
2016-11-24

Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems

#52
20160333828
2016-11-17

Catalytic converter

#53
20160151764
2016-06-02

Exhaust gas purifying catalyst

#54
20160131014
2016-05-12

Catalytic converter device for a stationary internal combustion engine

#55
20150337711
2015-11-26

Catalytic converter apparatus

#56
20150298059
2015-10-22

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#57
20150224478
2015-08-13

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#58
20150219041
2015-08-06

Engine

#59
20150013310
2015-01-15

Emission control system including an oxidation catalyst and selective catalytic reduction catalyst

#60
20140147359
2014-05-29

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#61
20140140911
2014-05-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#62
20140099246
2014-04-10

Catalytic converter apparatus

#63
20140072491
2014-03-13

Catalytic converter apparatus

#64
20140030158
2014-01-30

EXHAUST GAS PURIFICATION OXIDATION CATALYST

#65
20130333362
2013-12-19

Catalyst composition

#66
20130142714
2013-06-06

Diesel oxidation catalysts, systems and methods of treatment

#67
20130129575
2013-05-23

Catalyst and method of manufacture

#68
20130040807
2013-02-14

NON-WOVEN MATERIAL OR NETTING OF METAL FIBERS

#69
20130028819
2013-01-31

CATALYTIC CONVERTER APPARATUS

#70
20120251430
2012-10-04

NITROGEN OXIDE AND HYDROCYANIC ACID PRODUCTION METHOD

#71
20120137519
2012-06-07

Apparatus and method for forming an antipollution device housing

#72
20120117943
2012-05-17

Reformer

#73
20110129406
2011-06-02

Metal fibers for catalyst non-wovens

#74
20110047988
2011-03-03

Catalyst and method of manufacture

#75
20100183490
2010-07-22

Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems

#76
20100113262
2010-05-06

High heat-resistant catalyst and manufacturing method thereof

#77
20100050598
2010-03-04

Catalytic converter apparatus

#78
20090241514
2009-10-01

CATALYTIC CONVERTER FOR THE TREATMENT OF COMBUSTION EXHAUST GASES

#79
20090220816
2009-09-03

METAL BASE, METHOD FOR PRODUCING THE SAME, AND CATALYST

#80
20090188246
2009-07-30

Deflector Plate to Enhance Fluid Stream Contact with a Catalyst

#81
20080075646
2008-03-27

Structured automotive catalyst with improved thermal ageing stability

#82
20080010979
2008-01-17

Exhaust Gas Purification Apparatus for Engine

#83
20070160518
2007-07-12

Exhaust inlet metallic foam trap coupled to a downstream monolithic precious metal catalyst

#84
20070041862
2007-02-22

Iron-chrome-aluminum alloy

#85
20060185352
2006-08-24

Exhaust system for a lean-burn ic engine

#86
20060171866
2006-08-03

Deflector plate to enhance fluid stream contact with a catalyst

#87
20060168938
2006-08-03

Internal combustion engine exhaust gas conveying device with internal lining, as well as process for production thereof

#88
20060102420
2006-05-18

Muffler for exhaust gas

#89
20060096282
2006-05-11

Method and apparatus for purifying exhaust gases

#90
20050056977
2005-03-17

Apparatus for removing carbon particles from an exhaust gas stream of internal combustion engines