ClassID:

137868

F01N3/2825 - 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 Ceramics

Sub-classes:
Recent Application in this class:
#1
20250314187
2025-10-09

DEVICE FOR HEATING EXHAUST GAS WHICH CAN FLOW IN AN EXHAUST GAS LINE

#2
20250312755
2025-10-09

THREE-DIMENSIONALLY PRINTED LATTICE STRUCTURE FOR THERMAL ENERGY GENERATION

#3
20250196085
2025-06-19

SYSTEM AND METHOD FOR A THREE-DIMENSIONALLY PRINTED LATTICE STRUCTURE FOR HEATING GAS IN A NON-LINEAR PATH

#4
20250032984
2025-01-30

CLOSE-COUPLED SCR SYSTEM

#5
20240424445
2024-12-26

ZONED THREE-WAY CONVERSION CATALYSTS COMPRISING PLATINUM, PALLADIUM, AND RHODIUM

#6
20240334553
2024-10-03

RESISTIVE HEATER SUBSTRATES AND METHODS OF MANUFACTURING RESISTIVE HEATER SUBSTRATES

#7
20240317648
2024-09-26

METHODS OF MANUFACTURING GREEN BODIES AND SUBSTRATES

#8
20240226864
2024-07-11

AMMONIA SLIP CATALYST FILTER

#9
20240175382
2024-05-30

Reduction of tailpipe emissions from gasoline internal combustion engines with a combination of sorbents

#10
20240058792
2024-02-22

Catalytic material with sulfur-tolerant support

#11
20240033719
2024-02-01

CATALYTIC FILTER FOR GASOLINE ENGINE EXHAUST TREATMENT

#12
20240024819
2024-01-25

Catalytic Devices for the Abatement of NH3 and Nox Emissions From Internal Combustion Engines

#13
20230372917
2023-11-23

EXHAUST GAS PURIFICATION DEVICE AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFICATION DEVICE

#14
20230347288
2023-11-02

SELECTIVE CATALYTIC REDUCTION CATALYST AND CATALYTIC ARTICLE COMPRISING THE SAME

#15
20230330640
2023-10-19

Particulate Filter

#16
20230330638
2023-10-19

LAYERED CATALYTIC ARTICLE AND PROCESS FOR PREPARING THE CATALYTIC ARTICLE

#17
20230323802
2023-10-12

EXHAUST GAS TREATMENT SYSTEM

#18
20230294084
2023-09-21

EXHAUST GAS PURIFICATION CATALYST

#19
20230285899
2023-09-14

Catalytically active particulate filter

#20
20230235689
2023-07-27

Control method for reductant generation device, exhaust purification method, reductant generation system, and exhaust purification system

#21
20230219069
2023-07-13

Metal oxide-based SCR catalyst composition

#22
20230201812
2023-06-29

AMMONIA ADSORPTION CATALYST AND PREPARATION METHOD AND USE THEREOF

#23
20230191374
2023-06-22

CATALYTIC MATERIAL FOR TREATING AN EXHAUST GAS PRODUCED BY A NATURAL GAS ENGINE

#24
20230184461
2023-06-15

HEATING DEVICE FOR HEATING A GAS STREAM

#25
20230158482
2023-05-25

Emissions Treatment Articles With Magnetic Susceptor Material and Catalytic Material

#26
20220275737
2022-09-01

Noise attenuation components

#27
20220274060
2022-09-01

Catalytic converter

#28
20220212178
2022-07-07

METAL OXIDE NANOPARTICLES BASED CATALYST AND METHOD OF MANUFACTURING AND USING THE SAME

#29
20220176351
2022-06-09

Catalyst Material

#30
20220106900
2022-04-07

Exhaust gas purification device

#31
20220025796
2022-01-27

Catalytic article and methods of manufacturing and using the same

#32
20220009843
2022-01-13

Cordierite-containing ceramic bodies, batch composition mixtures, and methods of manufacturing cordierite-containing ceramic bodies

#33
20220008852
2022-01-13

METHODS IN FORMING TEMPERATURE RESISTANT INORGANIC NANO-SCALE MEMBRANE LAYER FOR IMPROVED HIGH TEMPERATURE FILTRATION

#34
20210387170
2021-12-16

Exhaust treatment system including nickel-containing catalyst

#35
20210387169
2021-12-16

Method of using a sulfur-tolerant catalyst

#36
20210354115
2021-11-18

Reference material for performance evaluation of a catalyst for selective catalytic reduction, a preparation method thereof, and a performance evaluation method for a catalyst using the same

#37
20210346878
2021-11-11

Three-zone two-layer TWC catalyst in gasoline waste gas applications

#38
20210299603
2021-09-30

PILLAR-SHAPED HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING SAME

#39
20210291157
2021-09-23

Honeycomb structure and exhaust gas purifying device

#40
20210270164
2021-09-02

Road-transportable genset emissions reduction system

#41
20210245147
2021-08-12

Porous structure for exhaust gas purification catalyst, exhaust gas purification catalyst using porous structure, and exhaust gas purification method

#42
20210238104
2021-08-05

High isostatic strength honeycomb structures and extrusion dies therefor

#43
20210231043
2021-07-29

Emissions module with adjustable sizing

#44
20210172359
2021-06-10

High Conductive Exhaust Components for Deposit Prevention & Mitigation

#45
20210102486
2021-04-08

Hydrogen-assisted integrated emission control system

#46
20210101139
2021-04-08

Three-zone two-layer TWC catalyst in gasoline waste gas applications

#47
20210086135
2021-03-25

Catalytically active particulate filter

#48
20210079822
2021-03-18

Catalytically active particulate filter

#49
20210070619
2021-03-11

Stable small-pore zeolites

#50
20210069688
2021-03-11

Catalytic article and exhaust gas treatment systems

#51
20210069678
2021-03-11

Single-layer 3-way catalytic converter

#52
20210017889
2021-01-21

Exhaust system including SCRF catalyst with oxidation zone

#53
20210016257
2021-01-21

Exhaust treatment system including nickel-containing catalyst

#54
20210008524
2021-01-14

Selective catalytic reduction catalyst composition

#55
20200406234
2020-12-31

Catalyst for gasoline engine exhaust gas aftertreatment

#56
20200400057
2020-12-24

Honeycomb structure, electric heating type honeycomb structure, electric heating type catalyst and exhaust gas purifying device

#57
20200360901
2020-11-19

Exhaust gas-purifying three-way catalyst

#58
20200309007
2020-10-01

Exhaust gas treatment system and the use thereof for the treatment of an exhaust gas

#59
20200306693
2020-10-01

Multi-layer three-way catalytic converter

#60
20200291840
2020-09-17

Electric heating type support, exhaust gas purifying device, method for producing electric heating type support, joined body, and method for producing joined body

#61
20200276568
2020-09-03

Exhaust gas purifying catalyst

#62
20200254434
2020-08-13

Substrate and a method of manufacturing a substrate

#63
20200230582
2020-07-23

Combined NOx absorber and SCR catalyst

#64
20200003100
2020-01-02

Aerodynamic catalytic converter

#65
20190383185
2019-12-19

APPARATUS AND METHOD FOR DESULFATION OF A CATALYST USED IN A LEAN BURN METHANE SOURCE FUELED COMBUSTION SYSTEM

#66
20190336949
2019-11-07

Exhaust gas purification catalyst

#67
20190323401
2019-10-24

Catalyst substrate, method of manufacturing the same, and exhaust gas purification apparatus

#68
20190270077
2019-09-05

Method for forming lanthanum hydroxycarbonate nanoparticles

#69
20190270076
2019-09-05

Method for making LaCO3OH nanoparticles from aqueous salt solutions

#70
20190217279
2019-07-18

Denitrification catalyst for vessel, using ceramic nanotubes grown on porous metal structure, and preparation method thereof

#71
20190162097
2019-05-30

Exhaust gas treatment article and methods of manufacturing same

#72
20190145298
2019-05-16

Catalytic converter substrates comprising triply periodic minimal surfaces

#73
20190143272
2019-05-16

Catalyst composite and use thereof in the selective catalytic reduction of NO

#74
20190128168
2019-05-02

Structures for catalytic converters

#75
20190010842
2019-01-10

Emissions control substrate

#76
20180280948
2018-10-04

Selective catalytic reduction catalyst

#77
20180243729
2018-08-30

Sulfur-tolerant catalytic system

#78
20180193797
2018-07-12

THREE WAY CATALYST HAVING AN NH3-SCR ACTIVITY, AN AMMONIA OXIDATION ACTIVITY AND AN ADSORPTION CAPACITY FOR VOLATILE VANADIUM AND TUNGSTEN COMPOUNDS

#79
20180135490
2018-05-17

Exhaust system for an internal combustion engine and method for controlling the exhaust system

#80
20180118629
2018-05-03

Outer peripheral coating member and ceramic product

#81
20180106174
2018-04-19

Exhaust gas purification catalyst

#82
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#83
20180056276
2018-03-01

Catalytic converters with age-suppressing catalysts

#84
20180051614
2018-02-22

Emissions control substrate

#85
20180044250
2018-02-15

Production method of ceramic honeycomb structure, and ceramic honeycomb structure

#86
20180010501
2018-01-11

Exhaust treatment apparatus and method

#87
20180008965
2018-01-11

Catalyzed ceramic candle filter and method of cleaning process off- or exhaust gases

#88
20170218816
2017-08-03

Methods for inserting wires into a gaseous emissions treatment unit

#89
20170211455
2017-07-27

Exhaust System

#90
20170128914
2017-05-11

Exhaust gas treatment system

#91
20170095807
2017-04-06

FORMING AGE-SUPPRESSING CATALYSTS

#92
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

#93
20170007987
2017-01-12

Exhaust gas oxidation catalyst for compressed natural gas combustion system

#94
20160230629
2016-08-11

Exhaust treatment apparatus and method

#95
20160215675
2016-07-28

Use of insulating paint on exhaust aftertreatment system components

#96
20160215670
2016-07-28

Method for controlling an internal combustion engine having an exhaust system component including a self-healing ceramic material

#97
20160214099
2016-07-28

Substrate and a method of manufacturing a substrate

#98
20150247436
2015-09-03

ELECTRICALLY HEATED CATALYST APPARATUS AND METHOD FOR MANUFACTURING THE SAME

#99
20150240690
2015-08-27

Catalytic converter and fabrication method thereof

#100
20140295132
2014-10-02

Production method of ceramic honeycomb structure, and ceramic honeycomb structure

#101
20140007563
2014-01-09

Multiple skewed channel bricks mounted in opposing clocking directions

#102
20130115138
2013-05-09

Exhaust purification system of internal combustion engine

#103
20120321859
2012-12-20

Catalytic converter and fabrication method thereof

#104
20120270010
2012-10-25

Honeycomb structure

#105
20120260631
2012-10-18

Method and device for regenerating a particle filter in a Y-exhaust gas system

#106
20120121476
2012-05-17

Electrically-heated catalyst

#107
20120121474
2012-05-17

Exhaust gas treatment device, E.G., exhaust gas catalytic converters and particle filters

#108
20110250096
2011-10-13

HONEYCOMB STRUCTURE

#109
20090266040
2009-10-29

Diesel particulate filter assembly

#110
20090196800
2009-08-06

Plasma reaction vessel, and method of producing the same

#111
20090139400
2009-06-04

Diffuser For Exhaust Gas Cleaning Systems

#112
20090130937
2009-05-21

High temperature resistant fibres

#113
20080301940
2008-12-11

Process for manufacturing exhaust gas treatment device, e.g., exhaust gas catalytic converters and particle filters

#114
20080202080
2008-08-28

High specific surface silicon carbide catalytic filter and support

#115
20080064587
2008-03-13

Oxidation Catalyst for Exhaust Gas Purification, Catalyst Structure for Exhaust Gas Purification and Method for Purifying Exhaust Gas

#116
20070294989
2007-12-27

Honeycomb structure and method of manufacturing the same

#117
20070264181
2007-11-15

Catalytically active porous element

#118
20070254804
2007-11-01

Needle-shaped ceramic body, needle-shaped ceramic catalyst body and method for producing same

#119
20070071656
2007-03-29

Exhaust gas treatment device

#120
20070056268
2007-03-15

LNT-SCR packaging

#121
20060257297
2006-11-16

Honeycomb body having at least one space-saving measurement sensor, and corresponding lambda sensor

#122
20060165567
2006-07-27

Coated honeycomb body assembly with measurement sensor and exhaust system having the assembly

#123
20060133970
2006-06-22

Plasma reaction vessel, and method of producing the same

#124
20060121266
2006-06-08

Porous SiC-bodies with micro-channels and process for their fabrication

#125
20060107656
2006-05-25

Exhaust gas after-treatment unit with countercurrent housing and corresponding process for exhaust gas after-treatment

#126
20050123716
2005-06-09

Method of protecting indicated information and cellular structure having its surface information protected by the protecting method

#127
15911905
2019-06-18

Low temperature hydrothermal method for the preparation of LaCOOH nanoparticles

#128
15472899
2018-07-31

Catalyst substrate mounting mat