ClassID:

137865

F01N3/2803 - 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

Sub-classes:
Recent Application in this class:
#1
20260138124
2026-05-21

Production Method for Exhaust Gas Purification Catalyst and Chemical Solution Plate used in said Production Method

#2
20260132728
2026-05-14

EXHAUST AFTERTREATMENT SYSTEM WITH FILTER CARTRIDGE ASSEMBLY

#3
20260132727
2026-05-14

EXHAUST GAS CONTROL DEVICE

#4
20260131318
2026-05-14

ZEOLITE CATALYSTS WITH PAIRED HETEROATOMS AND METHODS THEREOF

#5
20260124581
2026-05-07

Exhaust Gas Purifying Catalyst and Catalyst Body using the Same

#6
20260117689
2026-04-30

EXHAUST GAS PURIFICATION DEVICE

#7
20260110259
2026-04-23

SYSTEMS AND METHODS FOR TREATMENT OF GAS ENGINE EXHAUST

#8
20260102760
2026-04-16

METHODS FOR PREPARING MOLECULAR SIEVES USING 1,1-DIETHYL-2,6-DIMETHYLPIPERIDIN-1-IUM AND MOLECULAR SIEVES PREPARED THEREFROM

#9
20260102739
2026-04-16

CATALYST FOR THE TREATMENT OF AN EXHAUST GAS STREAM CONTAINING ONE OR MORE OF FORMALDEHYDE, NITROGEN OXIDE (NO), AND HYDROCARBONS COMPRISING MN SUPPORTED ON A CUO-AL2O3 MIXED OXIDE

#10
20260098492
2026-04-09

EXHAUST SYSTEM FOR INTERNAL COMBUSTION ENGINE

#11
20260097363
2026-04-09

Catalyst for Exhaust Gas Purification

#12
20260078692
2026-03-19

EXHAUST PURIFICATION DEVICE

#13
20260071569
2026-03-12

AIR/EXHAUST SYSTEM FOR A VEHICLE

#14
20260070045
2026-03-12

CU ZEOLITE SELECTIVE CATALYTIC REDUCTION CATALYSTS AND METHODS FOR EXHAUST GAS TREATMENT

#15
20260021449
2026-01-22

SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT, AND EXHAUST GAS PURIFICATION APPARATUS FOR LEAN COMBUSTION ENGINES COMPRISING SELECTIVE CATALYTIC REDUCTION SYSTEM FOR EXHAUST GAS TREATMENT

#16
20260014520
2026-01-15

PLATINUM PARTITIONING IN CATALYST ARTICLE FOR THREE-WAY CATALYSIS

#17
20260008010
2026-01-08

EXHAUST GAS PURIFICATION CATALYST AND METHOD FOR PRODUCING THE SAME

#18
20250375736
2025-12-11

SCR CATALYSTS WITH BLENDED OXIDES AND H-ZEOLITES

#19
20250369380
2025-12-04

A METHOD FOR CONTROLLING THE OPERATION OF A HYDROGEN COMBUSTION ENGINE SYSTEM

#20
20250303402
2025-10-02

CATALYTIC WALL FLOW FILTER

#21
20250288938
2025-09-18

HYDROCARBON TRAP, EXHAUST PURIFICATION DEVICE AND HYBRID VEHICLE

#22
20250276309
2025-09-04

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

#23
20250242308
2025-07-31

OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION AND EXHAUST GAS OXIDATION METHOD USING SAME

#24
20250235852
2025-07-24

EXHAUST GAS PURIFICATION CATALYST

#25
20250205690
2025-06-26

A CHA TYPE ZEOLITE AND THE METHOD OF SYNTHESISING SAID ZEOLITE

#26
20250196114
2025-06-19

SCR Zeolite Catalysts for Improved NOx Reduction

#27
20250186976
2025-06-12

Exhaust Gas Purifying Catalyst

#28
20250186968
2025-06-12

ADSORBENT, ITS PREPARATION AND USE

#29
20250153102
2025-05-15

METHANE MITIGATION SYSTEM WITH USE OF WASTE HEAT FOR POWER GENERATION

#30
20250129734
2025-04-24

Exhaust Gas Aftertreatment Device Having Small Cavities

#31
20250116218
2025-04-10

EXHAUST SYSTEM AND STRADDLED OFF-ROAD TRAVELING VEHICLE

#32
20250108364
2025-04-03

CATALYST STRUCTURE

#33
20250101897
2025-03-27

SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM AND ENGINE

#34
20250091004
2025-03-20

GASOLINE PARTICULATE FILTER

#35
20250083102
2025-03-13

EXHAUST GAS PURIFICATION CATALYST

#36
20250050318
2025-02-13

RHODIUM-FREE TWC CATALYTIC ARTICLE

#37
20250035026
2025-01-30

Catalytic converter locking device and assembly

#38
20250018383
2025-01-16

CHABAZITE SYNTHESIS METHOD INCLUDING ORGANIC AND INORGANIC STRUCTURE DIRECTING AGENTS AND CHABAZITE ZEOLITE WITH FLAKE LIKE MORPHOLOGY

#39
20250010281
2025-01-09

METHOD AND DEVICE FOR PRODUCING A SUBSTRATE FOR AN EXHAUST GAS AFTERTREATMENT DEVICE

#40
20240401512
2024-12-05

SYSTEMS AND METHODS FOR OPERATING PASSIVE NITROGEN OXIDE ADSORBERS IN EXHAUST AFTERTREATMENT SYSTEMS

#41
20240399353
2024-12-05

EXHAUST GAS PURIFICATION CATALYST

#42
20240399309
2024-12-05

CATALYTIC WALL FLOW FILTER

#43
20240384675
2024-11-21

Aftertreatment for alcohol fuel substituted diesel engines

#44
20240382942
2024-11-21

EXHAUST GAS PURIFICATION CATALYST

#45
20240382938
2024-11-21

SYNTHESIS OF CHA ZEOLITIC MATERIALS, CHA ZEOLITIC MATERIALS OBTAINABLE THEREFROM AND SCR CATALYSTS COMPRISING THE SAME

#46
20240375092
2024-11-14

ELECTRICALLY HEATED CATALYST DEVICE

#47
20240375048
2024-11-14

EXHAUST GAS PURIFICATION CATALYST DEVICE

#48
20240367145
2024-11-07

EXHAUST GAS CLEANING CATALYST AND PRODUCTION METHOD THEREFOR

#49
20240335825
2024-10-10

EXHAUST GAS PURIFICATION CATALYST

#50
20240316497
2024-09-26

EXHAUST GAS PURIFYING CATALYST

#51
20240309795
2024-09-19

AIR/EXHAUST SYSTEM FOR A VEHICLE

#52
20240307854
2024-09-19

EXHAUST GAS PURIFYING CATALYST

#53
20240287929
2024-08-29

FUEL SUPPLY DEVICE FOR SUPPLYING A FUEL AND INTERNAL COMBUSTION ENGINE

#54
20240287923
2024-08-29

Catalytic wall flow filter

#55
20240269613
2024-08-15

TRANSITION METAL INCORPORATED ALUMINA FOR IMPROVED THREE WAY CATALYSTS

#56
20240269612
2024-08-15

SULFUR-CONTAINING ORGANIC COMPOUND ASSISTED METAL NANOPARTICLE SYNTHESIS FOR THREE-WAY CATALYSIS APPLICATION

#57
20240269611
2024-08-15

SCR CATALYST ARTICLE AND SYSTEMS FOR REDUCING N2O IN EXHAUST GAS

#58
20240253018
2024-08-01

LAYERED CATALYSTS FOR PURIFYING EXHAUST GAS STREAMS AND METHODS OF MAKING THE SAME

#59
20240238764
2024-07-18

HYDROCARBON REDUCTION CATALYST AND VEHICLE EXHAUST GAS PURIFICATION DEVICE COMPRISING THE SAME

#60
20240238725
2024-07-18

CATALYST COMPOSITION

#61
20240226867
2024-07-11

COATING PROCESS FOR A WALL-FLOW FILTER

#62
20240226862
2024-07-11

SULFUR-RESISTANT METAL PROMOTED SMALL PORE ZEOLITE CATALYSTS

#63
20240209761
2024-06-27

SERPENTINE HEATERS HAVING FEATURES TO REDUCE HOT SPOTS AT SLOT ENDS

#64
20240207826
2024-06-27

NOVEL NANOPARTICLE ALLOYS AND CATALYTIC COMPOSITIONS COMPRISING THE SAME FOR EMISSION CONTROLS

#65
20240191643
2024-06-13

Exhaust gas processing device

#66
20240189771
2024-06-13

PLATINUM-CONTAINING THREE-WAY CATALYST FOR CLOSE-COUPLED ENGINE APPLICATION

#67
20240175384
2024-05-30

DEVICE FOR EXHAUST-GAS TREATMENT AND METHOD FOR THE PRODUCTION THEREOF

#68
20240175383
2024-05-30

HEATING DEVICE FOR HEATING A GAS FLOW

#69
20240167410
2024-05-23

CATALYTIC ARTICLE COMPRISING VANADIUM-BASED CATALYST AND MOLECULAR SIEVE-BASED CATALYST

#70
20240157348
2024-05-16

SYSTEM FOR THE TREATMENT OF AN EXHAUST GAS OF A DIESEL COMBUSTION ENGINE

#71
20240157341
2024-05-16

EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION SYSTEM

#72
20240157340
2024-05-16

EXHAUST GAS PURIFYING CATALYST COMPOSITION AND EXHAUST GAS PURIFYING CATALYST

#73
20240151174
2024-05-09

Systems and methods for operating passive nitrogen oxide adsorbers in exhaust aftertreatment systems

#74
20240149260
2024-05-09

EXHAUST GAS PURIFICATION DEVICE

#75
20240149257
2024-05-09

PARTICLE FILTER FOR EXHAUST GAS OF GASOLINE ENGINES

#76
20240149252
2024-05-09

EXHAUST GAS PURIFYING CATALYST COMPOSITION AND EXHAUST GAS PURIFYING CATALYST

#77
20240131498
2024-04-25

SULFUR-RESISTANT METAL PROMOTED SMALL PORE ZEOLITE CATALYSTS

#78
20240123403
2024-04-18

CATALYST FOR THE ABATEMENT OF AMMONIA FROM THE EXHAUST OF GASOLINE INTERNAL COMBUSTION ENGINES

#79
20240123393
2024-04-18

Carbon Dioxide Removal System

#80
20240116038
2024-04-11

ZEOLITIC MATERIAL HAVING A CHA-LIKE FRAMEWORK STRUCTURE AND SYNTHESIS OF THE SAME

#81
20240116033
2024-04-11

Preparation method and application of coated vanadium-tungsten-titanium oxide monolithic SCR catalyst

#82
20240110499
2024-04-04

VALVE ARRANGEMENT FOR SPLIT-FLOW CLOSE-COUPLED CATALYST

#83
20240102410
2024-03-28

Method for producing gasoline particulate filter

#84
20240077012
2024-03-07

Compact exhaust gas treatment system with serviceable filter

#85
20240075463
2024-03-07

PARTICLES FOR EXHAUST GAS PURIFICATION CATALYST

#86
20240060440
2024-02-22

Process for increasing mass flow of an exhaust gas through a catalytic converter

#87
20240058792
2024-02-22

Catalytic material with sulfur-tolerant support

#88
20240035407
2024-02-01

Exhaust gas treatment system including a multifunctional catalyst

#89
20240017245
2024-01-18

METHOD FOR PREPARING NOX STORAGE-REDUCTION CATALYST ARTICLE COMPRISING RUTHENIUM COMPOSITE, AND EXHAUST TREATMENT SYSTEM COMPRISING SAME

#90
20240011421
2024-01-11

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#91
20240009652
2024-01-11

SCR Catalyst Compositions and SCR Catalytic Articles Comprising Said Catalyst Compositions

#92
20240001299
2024-01-04

EXHAUST GAS PURIFICATION SYSTEM FOR STOICHIOMETRIC-COMBUSTION ENGINES

#93
20230405564
2023-12-21

CATALYST FOR ENHANCED HIGH TEMPERATURE CONVERSION AND REDUCED N2O MAKE

#94
20230399972
2023-12-14

ENGINE SYSTEM COMPRISING A HYDROGEN COMBUSTION ENGINE

#95
20230383683
2023-11-30

Exhaust aftertreatment system (EATS)

#96
20230383682
2023-11-30

DEVICE AND METHOD FOR SUPPRESSING FORMATION OF HIGH-MELTING-POINT PIPE-CLOGGING SUBSTANCE

#97
20230383680
2023-11-30

System for reducing voc and nitrogen oxide and method for reducing same

#98
20230372909
2023-11-23

Rhodium-containing layered catalyst structures and methods of making the same

#99
20230356204
2023-11-09

BISMUT CONTAINING DIESELOXIDATION CATALYST

#100
20230340899
2023-10-26

EXHAUST GAS PURIFICATION SYSTEM FOR A GASOLINE ENGINE

#101
20230338940
2023-10-26

PERFORMANCE ENHANCEMENT OF A PLATINUM-CONTAINING CATALYST VIA EXHAUST GAS HYDROGEN ENRICHMENT

#102
20230330598
2023-10-19

Catalytic system for the treatment of an exhaust gas of a combustion engine

#103
20230311111
2023-10-05

Honeycomb filter

#104
20230311110
2023-10-05

HONEYCOMB STRUCTURE, ELECTRICALLY HEATED CARRIER AND EXHAUST GAS PURIFICATION DEVICE

#105
20230278019
2023-09-07

Catalyst for exhaust gas purification and manufacturing method thereof

#106
20230271164
2023-08-31

Ce-Zr COMPOSITE OXIDE AND EXHAUST GAS PURIFICATION CATALYST USING SAME

#107
20230265772
2023-08-24

Exhaust system for an ammonia-burning combustion engine

#108
20230250747
2023-08-10

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#109
20230249170
2023-08-10

HONEYCOMB STRUCTURE, ELECTRICALLY HEATING SUPPORT, AND EXHAUST GAS PURIFICATION DEVICE

#110
20230241585
2023-08-03

Surface-modified ceria-zirconia mixed oxide compound for gasoline exhaust

#111
20230234022
2023-07-27

Hydrocarbon adsorbent

#112
20230219064
2023-07-13

EXHAUST GAS EMISSIONS ABATEMENT SYSTEM

#113
20230193805
2023-06-22

Compressed natural gas combustion and exhaust system

#114
20230193797
2023-06-22

Reduce cold start internal combustion engine gaseous pollutants emissions using adsorbents in a cartridge in a bypass exhaust line

#115
20230191379
2023-06-22

EMISSIONS CONTROL DEVICE

#116
20230173465
2023-06-08

Denitrification-oxidation complex catalyst structure and manufacturing method thereof

#117
20230151750
2023-05-18

ELECTRICALLY HEATED FLUID TREATMENT SYSTEM FOR LOW AND HIGH VOLTAGE APPLICATIONS

#118
20230147850
2023-05-11

AN EMISSION CONTROL CATALYST ARTICLE WITH PGM-GRADIENT ARCHITECTURE

#119
20230130261
2023-04-27

PLATINUM AND ZINC-CONTAINING ZEOLITE

#120
20230108543
2023-04-06

Systems and methods for mixing exhaust gases and reductant in an aftertreatment system

#121
20230070493
2023-03-09

TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#122
20230069528
2023-03-02

EXHAUST DEVICE FOR SHIP PROPULSION MACHINE

#123
20230063545
2023-03-02

Process for increasing mass flow of an exhaust gas through a catalytic converter

#124
20230055120
2023-02-23

MULTI-PASS CATALYTIC CONVERTER

#125
20230049498
2023-02-16

HYDROCARBON ADSORBENT

#126
20230045409
2023-02-09

Double-layer three-way catalyst with further improved ageing stability

#127
20230042287
2023-02-09

CERIUM-TIN-BASED COMPOSITE OXIDE CATALYST FOR CATALYZING PURIFICATION OF NITROGEN OXIDE, PREPARATION METHOD AND APPLICATION THEREOF

#128
20230032414
2023-02-02

EXHAUST PURIFICATION CATALYST

#129
20230020768
2023-01-19

Hydrocarbon reclamator

#130
20230018328
2023-01-19

ANIONIC PGM CARBOXYLATE ASSISTED PGM NANOPARTICLE SYNTHESIS FOR EXHAUST GAS TREATMENT APPLICATIONS

#131
20230016121
2023-01-19

Exhaust gas purification catalyst

#132
20230001387
2023-01-05

CATALYST FOR SIMULTANEOUSLY INHIBITING EMISSION OF AMMONIA AND NITROUS OXIDE

#133
20230001386
2023-01-05

THERMAL AGING RESILIENT OXIDATION CATALYSTS FOR DIESEL EMISSION CONTROL

#134
20220410133
2022-12-29

Low temperature NOadsorber with enhanced regeneration efficiency

#135
20220410129
2022-12-29

A CATALYST ARTICLE FOR CAPTURING PARTICULATE MATTER

#136
20220387983
2022-12-08

Exhaust gas purification device

#137
20220379293
2022-12-01

DIESEL OXIDATION CATALYST

#138
20220362754
2022-11-17

Catalytic composition for treating a NOx-containing exhaust gas

#139
20220362753
2022-11-17

Catalytic composition

#140
20220355275
2022-11-10

HEAT-RESISTANT RUTHENIUM COMPOSITE AND USE THEREOF AS CATALYST FOR NOX STORAGE AND REDUCTION

#141
20220347661
2022-11-03

Zeolite with Cu and Pd co-exchanged in a composite

#142
20220347657
2022-11-03

Catalyst for removing saturated hydrocarbon

#143
20220341359
2022-10-27

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#144
20220341356
2022-10-27

Exhaust gas purification catalyst, method of purifying exhaust gas, and method of manufacturing exhaust gas purification catalyst

#145
20220341353
2022-10-27

Electric heated catalyst arrangement

#146
20220339613
2022-10-27

Passive NOadsorber

#147
20220339606
2022-10-27

Methods for exhaust gas purification

#148
20220323905
2022-10-13

Exhaust treatment system for ammonia-fueled vehicles

#149
20220316955
2022-10-06

Method for estimating heat generation distribution in honeycomb structure, method for producing honeycomb structure and method for producing electrically heating support

#150
20220314209
2022-10-06

Three-dimensional porous catalyst, catalyst carrier or absorbent structure of stacked strands

#151
20220305470
2022-09-29

Silicon carbide porous body, honeycomb structure, electrically heated catalyst, and method of manufacturing silicon carbide porous body

#152
20220305422
2022-09-29

HONEYCOMB FILTER

#153
20220297095
2022-09-22

PREPARATION OF SUPPORTED METAL NANOPARTICLES USING POLYAMINE FOR THREE-WAY CATALYSIS APPLICATION

#154
20220297094
2022-09-22

Exhaust gas purification catalyst

#155
20220282650
2022-09-08

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#156
20220280924
2022-09-08

Iron-promoted zeolite and catalyst made therefrom

#157
20220275747
2022-09-01

Systems and methods for operating passive nitrogen oxide adsorbers in exhaust aftertreatment systems

#158
20220275746
2022-09-01

Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device

#159
20220275745
2022-09-01

Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device

#160
20220275743
2022-09-01

Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device

#161
20220275739
2022-09-01

EXHAUST GAS PROCESSING SYSTEM AND METHOD

#162
20220268200
2022-08-25

Fuel supply device for supplying a fuel and internal combustion engine

#163
20220266228
2022-08-25

Chabazite synthesis method including organic and inorganic structure directing agents and chabazite zeolite with flake-like morphology

#164
20220258148
2022-08-18

Plugged honeycomb structure

#165
20220258141
2022-08-18

SELECTIVE CATALYTIC REDUCTION CATALYST COMPRISING COPPER CARBONATE

#166
20220243634
2022-08-04

Additively manufactured catalytic converter substrates

#167
20220241725
2022-08-04

METHOD AND APPARATUS FOR ALKANE OXIDATION

#168
20220235691
2022-07-28

Method for replacing an exhaust aftertreatment component

#169
20220235687
2022-07-28

RETENTION APPARTUS FOR WIRE MESH ARRANGEMENT

#170
20220220880
2022-07-14

Valve arrangement for split-flow close-coupled catalyst

#171
20220220878
2022-07-14

Crossflow PNA-SCR aftertreatment device

#172
20220219145
2022-07-14

Method and composition

#173
20220213827
2022-07-07

Heat recovery device and heat recovery system

#174
20220203345
2022-06-30

AMMONIA OXIDATION CATALYST DEVICE

#175
20220203339
2022-06-30

LAYERED CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#176
20220203338
2022-06-30

Ammonia oxidation catalyst for diesel applications

#177
20220203336
2022-06-30

Exhaust gas treatment system for ultra low NOx and cold start

#178
20220195902
2022-06-23

System for reducing VOC and nitrogen oxide and method for reducing same

#179
20220193639
2022-06-23

LAYERED TRI-METALLIC CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#180
20220186647
2022-06-16

HEATING DEVICE FOR AN EXHAUST SYSTEM AND AN EXHAUST SYSTEM

#181
20220184594
2022-06-16

Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurry

#182
20220178293
2022-06-09

Internal swirler tube for exhaust catalyst

#183
20220178292
2022-06-09

Contoured honeycomb bodies

#184
20220178290
2022-06-09

Exhaust gas heating unit

#185
20220176353
2022-06-09

Exhaust gas purification catalyst

#186
20220170403
2022-06-02

COMBUSTION SYSTEM

#187
20220170402
2022-06-02

Combustion system

#188
20220168721
2022-06-02

CATALYTICALLY ACTIVE PARTICULATE FILTER

#189
20220168710
2022-06-02

Exhaust gas purification catalyst and production method therefor

#190
20220161248
2022-05-26

Low temperature CO oxidation catalyst

#191
20220161188
2022-05-26

Non-thermal plasma-based exhaust gas particulate matter reduction apparatus for preventing arcing phenomenon

#192
20220154621
2022-05-19

Exhaust Gas Purification Catalyst

#193
20220154611
2022-05-19

Selective catalytic reduction catalyst on a filter

#194
20220152600
2022-05-19

Catalyst for Adsorbing Hydrocarbon and Hydrocarbon Trap Comprising the Same

#195
20220152595
2022-05-19

Tunable NOadsorber

#196
20220152591
2022-05-19

Layered TWC

#197
20220136425
2022-05-05

Process for increasing mass flow of an exhaust gas through a catalytic converter

#198
20220136424
2022-05-05

Internal Combustion Engine Exhaust Aftertreatment System

#199
20220134314
2022-05-05

Tri-metal PGM catalysts for gasoline engine exhaust gas treatments

#200
20220118428
2022-04-21

Exhaust gas purification device

#201
20220105503
2022-04-07

Exhaust gas aftertreatment device

#202
20220105493
2022-04-07

Binder composition for enhanced catalyst washcoat adhesion

#203
20220105465
2022-04-07

Exhaust gas aftertreatment device

#204
20220097026
2022-03-31

Catalytic converter

#205
20220088581
2022-03-24

Superhydrophobic coatings for deposit reduction in selective catalytic reductant systems

#206
20220088575
2022-03-24

CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS AND THEIR NOVEL SYNTHESES

#207
20220080394
2022-03-17

Passive nitrogen oxide adsorber having oxidation-catalytically active function

#208
20220072474
2022-03-10

Annular catalytic converter

#209
20220065150
2022-03-03

EXHAUST AFTERTREATMENT COMPONENT WITH DIRECTIONAL VALVE

#210
20220065149
2022-03-03

EXHAUST GAS PURIFICATION SYSTEM WITH AIR INJECTION

#211
20220064017
2022-03-03

Nanocrystal-sized cerium-zirconium-aluminum oxide material and method of making the same

#212
20220062884
2022-03-03

Exhaust gas purification device

#213
20220062869
2022-03-03

CATALYST FOR EXHAUST GAS PURIFICATION, METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION METHOD USING SAME

#214
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2022-02-24

LAYERED THREE-WAY CONVERSION (TWC) CATALYST AND METHOD OF MANUFACURING THE CATALYST

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20220054978
2022-02-24

EXHAUST GAS PURIFICATION FILTER

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20220042441
2022-02-10

Exhaust device

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20220042440
2022-02-10

Muffler including an internal photocatalyst and a light source

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20220040676
2022-02-10

Monolith substrate, method for producing monolith substrate, and exhaust gas purification catalyst comprising monolith substrate

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20220040636
2022-02-10

Exhaust gas purifying catalyst

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20220040635
2022-02-10

Exhaust gas purifying catalyst

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20220023849
2022-01-27

Aqueous suspension comprising a zeolitic material and a zirconium chelate complex

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20220023847
2022-01-27

Catalyst for exhaust gas oxidation, method for producing same, and exhaust gas oxidation method using same

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2022-01-27

HONEYCOMB BODIES HAVING AN ARRAY OF CHANNELS WITH DIFFERENT HYDRAULIC DIAMETERS AND METHODS OF MAKING THE SAME

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2022-01-20

Exhaust Gas Purification Catalyst and Exhaust Gas Purification Method

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2022-01-20

EXHAUST-GAS PURIFICATION APPARATUS AND METHOD FOR MANUFACTURING SAME

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2021-12-30

PARTICLE FILTER WITH A PLURALITY OF COATINGS

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2021-12-30

SYSTEM AND METHOD FOR PURIFYING ENGINE EXHAUST BY USING OZONE

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20210402378
2021-12-30

Exhaust-gas purification catalyst and exhaust-gas treatment apparatus

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20210394165
2021-12-23

Method of making AFX zeolites having high thermal stability

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20210387169
2021-12-16

Method of using a sulfur-tolerant catalyst

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20210387145
2021-12-16

Exhaust treatment system for a lean burn engine

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2021-12-09

Method of manufacturing electrically heated catalyst device, metal thin plate for electrode of electrically heated catalyst device, and electrically heated catalyst device

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20210381413
2021-12-09

Particulate filter

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20210379567
2021-12-09

Layered TWC

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20210379566
2021-12-09

Diesel engine exhaust gas purification catalyst, production method therefor, and exhaust gas purification method using the same

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20210372313
2021-12-02

Systems and methods for mixing exhaust gases and reductant in an aftertreatment system

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20210372311
2021-12-02

Electrically heated catalyst device

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20210363906
2021-11-25

End can assembly for an engine exhaust aftertreatment canister

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20210348537
2021-11-11

Exhaust gas purification system for a gasoline engine

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20210346842
2021-11-11

Low temperature nitrogen oxide adsorber

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20210339234
2021-11-04

Method for forming a catalyst article

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2021-11-04

Method of making SSZ-13 zeolites with high acidity and low silica to alumina ratio (SAR)

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20210332731
2021-10-28

Exhaust gas purification system for a gasoline engine

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20210331142
2021-10-28

Multi-region catalysts for CNG engine exhaust gas treatments with improved ammonia leakage control

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20210316278
2021-10-14

CATALYST FOR PURIFYING EXHAUST GAS

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20210301706
2021-09-30

Exhaust gas purification catalyst

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20210299647
2021-09-30

Tin incorporated catalysts for gasoline engine exhaust gas treatments

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20210299638
2021-09-30

Exhaust gas purification catalyst, exhaust gas purification method, and production method for exhaust gas purification catalyst

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20210291146
2021-09-23

Honeycomb structure

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20210291102
2021-09-23

Honeycomb filter

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2021-09-23

Honeycomb filter

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2021-09-16

Exhaust gas treatment system for an exhaust system of an internal combustion engine and process for operating such an exhaust gas treatment system

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20210283589
2021-09-16

Exhaust gas purification device

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20210283584
2021-09-16

Direct no decomposition catalyst

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20210283582
2021-09-16

CATALYTIC ARTICLES

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20210283580
2021-09-16

TWC system for fuel cut NOcontrol

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20210277815
2021-09-09

Crossflow PNA-SCR aftertreatment device

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20210270165
2021-09-02

LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same

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20210268424
2021-09-02

Honeycomb filter

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20210268423
2021-09-02

Honeycomb filter

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20210252456
2021-08-19

Nitrogen oxide storage catalyst

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20210220767
2021-07-22

HONEYCOMB BODIES WITH TRIANGULAR CELL HONEYCOMB STRUCTURES AND MANUFACTURING METHODS THEREOF

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20210215079
2021-07-15

Exhaust gas aftertreatment system with a selective catalytic reduction catalyst member upstream of a particulate filter

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20210213434
2021-07-15

Diesel oxidation catalysts for ultralow NOcontrol

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2021-07-08

EXHAUST GAS PURIFICATION CATALYST

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20210205797
2021-07-08

Catalyst comprising a mixture of an AFX-structure zeolite and a BEA-structure zeolite and at least one transition metal for selective reduction of NOx

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20210205788
2021-07-08

Multi-region TWC catalysts for gasoline engine exhaust gas treatments

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20210189940
2021-06-24

Exhaust gas purification system for vehicle

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20210180501
2021-06-17

RING CATALYST

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20210178380
2021-06-17

Advanced NOreduction catalysts

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20210172363
2021-06-10

CATALYTIC CONVERTER FOR EXHAUST GAS PURIFICATION

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20210162382
2021-06-03

Palladium/zeolite-based passive nitrogen oxide adsorber catalyst for purifying exhaust gas

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20210148273
2021-05-20

Exhaust gas cleaning catalyst

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20210148272
2021-05-20

Catalyst unit and exhaust structure of engine including same

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20210148270
2021-05-20

Lean-burn engine after-treatment system

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20210146305
2021-05-20

Combined soot filter and urea hydrolysis

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20210138447
2021-05-13

Coated wall-flow filter

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20210108546
2021-04-15

Electrically heated catalytic device

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20210095390
2021-04-01

Preparation method of coating material, coating material, catalyst and three-way catalytic converter

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20210071561
2021-03-11

Method for producing an SCR catalytic converter by way of pre-drying

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20210062700
2021-03-04

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

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20210054771
2021-02-25

Systems and methods for uniformly heating a honeycomb body

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20210046457
2021-02-18

Exhaust gas purification catalyst

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20210046454
2021-02-18

Inorganic oxide

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20210031175
2021-02-04

A FAST BATCH PROCESS FOR PREPARING A ZEOLITIC MATERIAL HAVING FRAMEWORK TYPE CHA

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20210001315
2021-01-07

Exhaust gas purification device

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2020-12-31

Exhaust gas aftertreatment device

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20200408125
2020-12-31

Electrically heated catalyst

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2020-12-31

Hydrocarbon adsorbent

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20200376467
2020-12-03

EXHAUST GAS PURIFICATION CATALYST DEVICE

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20200376466
2020-12-03

Composition for exhaust gas purification, exhaust gas purifying catalyst containing same, and exhaust gas purifying catalyst structure

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20200370456
2020-11-26

Systems and methods for determining exhaust flow rate

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20200370455
2020-11-26

Splitflow catalyst system

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20200362742
2020-11-19

Double canning exhaust gas purification device

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20200360899
2020-11-19

Foam-based substrate for catalytic converter

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20200360898
2020-11-19

Carbon foam-based catalyst support

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20200360896
2020-11-19

Foam-based substrate for catalytic converter

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20200355106
2020-11-12

Exhaust gas purification catalyst

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20200353813
2020-11-12

Exhaust gas purification device

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20200353643
2020-11-12

Honeycomb structure and die