ClassID:

138123

F01N2470/18 - CPC Classification

Classification description:

Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus

Recent Application in this class:
#1
20250327414
2025-10-23

EXHAUST MIXER ASSEMBLY

#2
20250122820
2025-04-17

EXHAUST MIXER ASSEMBLY

#3
20230082302
2023-03-16

Exhaust purification device

#4
20230024144
2023-01-26

Muffler

#5
20220403765
2022-12-22

Muffler and method for making a muffler

#6
20220275738
2022-09-01

Acoustically tuned muffler

#7
20220220879
2022-07-14

Exhaust gas treatment device, a marine vessel and a genset

#8
20220090530
2022-03-24

Device to convey a chemical reactant into the exhaust gas stream of a combustion engine

#9
20210239022
2021-08-05

Dosing and mixing arrangement for use in exhaust aftertreatment

#10
20210213401
2021-07-15

Dosing and mixing arrangement for use in exhaust aftertreatment

#11
20210199039
2021-07-01

After treatment system for a vehicle

#12
20210172366
2021-06-10

Exhaust gas aftertreatment system

#13
20210017891
2021-01-21

Aftertreatment system including noise reducing components

#14
20200369402
2020-11-26

Double inlets exhaust system for unmanned aerial vehicle

#15
20200324254
2020-10-15

Dosing and mixing arrangement for use in exhaust aftertreatment

#16
20200318523
2020-10-08

Exhaust fluid collision type muffler

#17
20200256234
2020-08-13

Engine apparatus

#18
20200256227
2020-08-13

EXHAUST SYSTEM AS WELL AS MOTOR VEHICLE WITH AN EXHAUST SYSTEM

#19
20200088078
2020-03-19

Exhaust device with noise suppression system

#20
20190390587
2019-12-26

Exhaust device of engine

#21
20190366268
2019-12-05

Engine exhaust device

#22
20190351379
2019-11-21

Dosing and mixing arrangement for use in exhaust aftertreatment

#23
20190257330
2019-08-22

VORTEX FLOW CATALYTIC CONVERSION APPARATUS AND METHOD OF VORTEX FLOW CATALYTIC CONVERSION

#24
20190249583
2019-08-15

Dosing and mixing arrangement for use in exhaust aftertreatment

#25
20190211733
2019-07-11

Exhaust aftertreatment system having mixer assembly

#26
20190209977
2019-07-11

Dosing and mixing arrangement for use in exhaust aftertreatment

#27
20190178124
2019-06-13

Acoustically tuned muffler

#28
20190162104
2019-05-30

Valvular-conduit exhaust manifold

#29
20190153925
2019-05-23

Pipe and metal sheet subassembly for an exhaust treatment device

#30
20190145297
2019-05-16

MUFFLER

#31
20190120115
2019-04-25

Silencer insert, silencer comprising the same and method for manufacturing a silencer insert

#32
20190120102
2019-04-25

Muffler valve device for vehicle

#33
20190112961
2019-04-18

Exhaust gas/reactant mixing assembly unit

#34
20190107025
2019-04-11

Diesel exhaust fluid mixing

#35
20190107019
2019-04-11

Acoustically tuned muffler

#36
20190032535
2019-01-31

Exhaust system with mixer

#37
20190024549
2019-01-24

Method for forming a collar in a muffler housing

#38
20180320575
2018-11-08

Pressure differentiated exhaust aftertreatment device

#39
20180313247
2018-11-01

Exhaust gas aftertreatment system, and internal combustion engine with exhaust gas aftertreatment system

#40
20180298802
2018-10-18

Exhaust aftertreatment system having mixer assembly

#41
20180274414
2018-09-27

Soot separator for an internal combustion engine

#42
20180258886
2018-09-13

Exhaust device of engine

#43
20180258826
2018-09-13

Exhaust device of engine

#44
20180258822
2018-09-13

Exhaust device of engine

#45
20180202345
2018-07-19

Method for molding pipe body

#46
20180202335
2018-07-19

Exhaust device of engine

#47
20180156093
2018-06-07

Inlet diffuser for exhaust aftertreatment system

#48
20180156092
2018-06-07

Mixer in an exhaust gas system

#49
20180149069
2018-05-31

Exhaust gas treatment device

#50
20180149053
2018-05-31

Exhaust gas muffler and method for the manufacture thereof

#51
20180066564
2018-03-08

Construction machine

#52
20180051608
2018-02-22

Structure of muffler

#53
20180030875
2018-02-01

Engine exhaust structure

#54
20180030874
2018-02-01

Mix box

#55
20180003096
2018-01-04

Exhaust gas cleaning component for cleaning the exhaust gases of an internal combustion engine

#56
20180001279
2018-01-04

Dosing and mixing arrangement for use in exhaust aftertreatment

#57
20170342888
2017-11-30

Exhaust aftertreatment system having mixer assembly

#58
20170282135
2017-10-05

Dosing and mixing arrangement for use in exhaust aftertreatment

#59
20170234202
2017-08-17

Exhaust device for internal combustion engine

#60
20170218822
2017-08-03

Engine apparatus

#61
20170218806
2017-08-03

Muffler

#62
20170204765
2017-07-20

Engine device

#63
20170191399
2017-07-06

Integrated exhaust treatment device having compact configuration

#64
20170167333
2017-06-15

Exhaust muffler for combustion engine

#65
20170152782
2017-06-01

Mixing device of an exhaust gas purification system of a motor vehicle internal combustion engine

#66
20170114698
2017-04-27

Exhaust-gas module for an internal combustion engine

#67
20170065920
2017-03-09

Exhaust gas treating device and manufacturing method of honeycomb structure

#68
20170044958
2017-02-16

Exhaust aftertreatment device

#69
20170044955
2017-02-16

EXHAUST GAS HOUSING FOR AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE

#70
20170009683
2017-01-12

Engine system for working machine configured to contain noise reduction equipment

#71
20170002713
2017-01-05

Exhaust tract having a metering device which sprays counter to a direction of flow, method for operating an exhaust tract and vehicle having an exhaust tract

#72
20160376969
2016-12-29

Cantilevered flow distributing apparatus

#73
20160347168
2016-12-01

Exhaust muffler for transverse installation in a vehicle

#74
20160333756
2016-11-17

Muffler

#75
20160319716
2016-11-03

Engine device

#76
20160281579
2016-09-29

Valvular-conduit manifold

#77
20160265409
2016-09-15

Device for the aftertreatment of exhaust gas from a motor vehicle

#78
20160265191
2016-09-15

Bulldozer

#79
20160258337
2016-09-08

Engine device for work vehicle

#80
20160245140
2016-08-25

Exhaust gas duct system for an internal combustion engine

#81
20160230627
2016-08-11

Muffler

#82
20160228816
2016-08-11

Reactor apparatus and method for reducing NOx from exhaust gases produced by industrial processes

#83
20160215673
2016-07-28

Exhaust aftertreatment system having mixer assembly

#84
20160215671
2016-07-28

Exhaust gas purification device

#85
20160215477
2016-07-28

Construction machine

#86
20160194994
2016-07-07

Exhaust gas treatment unit comprising flow dividing and mixing guide elements

#87
20160121275
2016-05-05

Flow device for an exhaust system

#88
20160115847
2016-04-28

Modular mixer inlet and mixer assembly to provide for compact mixer

#89
20160115844
2016-04-28

Dosing and mixing arrangement for use in exhaust aftertreatment

#90
20160108792
2016-04-21

Component of an exhaust system

#91
20160090884
2016-03-31

Muffler for an exhaust system of an internal combustion engine

#92
20160061075
2016-03-03

Muffler sound-insulation structure

#93
20160053659
2016-02-25

Exhaust device of motorcycle

#94
20160053657
2016-02-25

Inclined perforated plate at radial inlet

#95
20160003116
2016-01-07

Engine-exhaust-system apparatus and package-type engine electric power generator

#96
20150377113
2015-12-31

Muffler unit and vehicle including the same

#97
20150377111
2015-12-31

Pressure differentiated exhaust aftertreatment device

#98
20150369109
2015-12-24

Engine device

#99
20150369103
2015-12-24

Engine unit and work vehicle

#100
20150354433
2015-12-10

Method for installing inlet pipe and method for supporting inlet pipe

#101
20150354432
2015-12-10

Mixing chamber for mixing an additive in an exhaust system of an internal combustion engine

#102
20150354421
2015-12-10

Muffler

#103
20150345357
2015-12-03

Exhaust gas purification device for internal combustion engine

#104
20150330422
2015-11-19

Vortex flow apparatus

#105
20150330283
2015-11-19

Tailor to fit muffler

#106
20150275728
2015-10-01

Exhaust gas system

#107
20150275721
2015-10-01

System and method for tuned exhaust

#108
20150267580
2015-09-24

Engine equipped with secondary air supply device

#109
20150260072
2015-09-17

Integrated exhaust treatment device having compact configuration

#110
20150260071
2015-09-17

Compact selective catalytic reduction system for nitrogen oxide reduction in the oxygen-rich exhaust of 500 to 4500 kW internal combustion engines

#111
20150255054
2015-09-10

Active design of exhaust sounds

#112
20150240692
2015-08-27

Exhaust aftertreatment device

#113
20150240688
2015-08-27

Funnel-pipe arrangement

#114
20150211209
2015-07-30

Engine support mechanism with aftertreatment device

#115
20150204280
2015-07-23

Gas flow unit, a gas treatment device and a combustion engine provided therewith

#116
20150184566
2015-07-02

Diesel engine

#117
20150167523
2015-06-18

Construction machine

#118
20150165378
2015-06-18

Exhaust treatment system having an SCR with a center inlet

#119
20150152772
2015-06-04

Exhaust treatment device with integral mount

#120
20150152767
2015-06-04

Exhaust gas aftertreatment device

#121
20150132192
2015-05-14

Integrated exhaust treatment device having compact configuration

#122
20150101329
2015-04-16

Crash-tolerant system arrangement in a motor-vehicle engine compartment

#123
20150075894
2015-03-19

Supporting mechanism, exhaust treatment unit, and wheel loader

#124
20150071828
2015-03-12

Exhaust mixing assembly

#125
20150071825
2015-03-12

Exhaust mixing device

#126
20150071822
2015-03-12

Vertical ultrasonic decomposition pipe

#127
20150047324
2015-02-19

Exhaust gas system of an internal combustion engine, and method for preparing a reducing agent which is introduced into the internal combustion engine exhaust gas

#128
20150040542
2015-02-12

Exhaust gas purification device

#129
20150037219
2015-02-05

After-treatment component

#130
20150000389
2015-01-01

Exhaust aftertreatment sensor assembly

#131
20150000256
2015-01-01

Engine unit and work vehicle

#132
20140352282
2014-12-04

Exhaust emission control device

#133
20140348715
2014-11-27

Exhaust treatment device

#134
20140334987
2014-11-13

Axial flow atomization module

#135
20140334986
2014-11-13

Axial flow atomization module

#136
20140332312
2014-11-13

Compact muffler for small two-stroke internal combustion engines

#137
20140325967
2014-11-06

Exhaust gas purification device

#138
20140314632
2014-10-23

Exhaust aftertreatment device with integrated shell and baffle

#139
20140311821
2014-10-23

Exhaust muffler

#140
20140311133
2014-10-23

Arrangement for introducing a liquid medium into exhaust combustion engine

#141
20140284138
2014-09-25

Engine muffler

#142
20140260205
2014-09-18

Modular exhaust treatment system

#143
20140248187
2014-09-04

Exhaust treatment device with integral mount

#144
20140238001
2014-08-28

Ion sensor with decoking heater

#145
20140238000
2014-08-28

Burner with air-assisted fuel nozzle and vaporizing ignition system

#146
20140237999
2014-08-28

Exhaust aftertreatment burner with preheated combustion air

#147
20140230411
2014-08-21

Dosing and mixing arrangement for use in exhaust aftertreatment

#148
20140223891
2014-08-14

Two-stroke lean burn gas engine with a silencer-catalytic converter

#149
20140202141
2014-07-24

Mixing device for an exhaust system of a vehicle

#150
20140182961
2014-07-03

Vehicle having an auxiliary exhaust pipe

#151
20140116801
2014-05-01

Silencer and a method for producing same

#152
20140093439
2014-04-03

Flow device for an exhaust system

#153
20140090364
2014-04-03

Exhaust gas treatment device for use near an engine and motor vehicle having the device

#154
20140048350
2014-02-20

Muffler for an exhaust system of an internal combustion engine

#155
20140034171
2014-02-06

Bi-directional tractor exhaust system

#156
20140007562
2014-01-09

EXHAUST SYSTEM HAVING AN AFTERTREATMENT MODULE

#157
20130333357
2013-12-19

Exhaust gas purifying device

#158
20130291524
2013-11-07

Exhaust gas after-treatment device for diesel engine

#159
20130276438
2013-10-24

Integrated exhaust treatment device having compact configuration

#160
20130263582
2013-10-10

Split Flow Exhaust Deflector

#161
20130220732
2013-08-29

Muffler with dual exhaust gas discharge pipe for vehicle

#162
20130213734
2013-08-22

Horizontally installed muffler having sporty tone

#163
20130180233
2013-07-18

Exhaust gas treatment device

#164
20130174537
2013-07-11

Arrangement for introducing a liquid medium into exhaust gases from a combustion engine

#165
20130164181
2013-06-27

Reducing agent aqueous solution mixing device and exhaust gas post-treatment device

#166
20130152557
2013-06-20

Compact exhaust gas treatment unit with reaction agent addition and motor vehicle having an exhaust gas treatment unit

#167
20130115145
2013-05-09

Exhaust purification system of internal combustion engine

#168
20130097978
2013-04-25

Exhaust gas purification device

#169
20130086894
2013-04-11

Exhaust treatment device with integral mount

#170
20130081721
2013-04-04

EXHAUST-DOWNPIPE FOR VEHICLE

#171
20130019590
2013-01-24

DYNAMICALLY ADJUSTING TUNED EXHAUST SYSTEM

#172
20130008528
2013-01-10

Exhaust gas purification device

#173
20130000286
2013-01-03

Engine exhaust gas heat exchanger and energy supplying device using the same

#174
20120322012
2012-12-20

Combustion appliance for raising the temperature of exhaust gas

#175
20120305112
2012-12-06

Exhaust gas purifying device

#176
20120301364
2012-11-29

Motor vehicle exhaust system

#177
20120285144
2012-11-15

EXHAUST AFTER TREATMENT SYSTEM AND METHOD FOR TREATING EXHAUST

#178
20120222767
2012-09-06

Exhaust aftertreatment device with integrated shell and baffle

#179
20120198838
2012-08-09

Exhaust gas treatment device for use near an engine and motor vehicle having the device

#180
20120125300
2012-05-24

Vortex exhaust recovery system having improved muffler

#181
20120124979
2012-05-24

Engine device

#182
20120110982
2012-05-10

SAMPLING TUBE FOR IMPROVED EXHAUST GAS FLOW TO EXHAUST SENSOR

#183
20120102932
2012-05-03

Exhaust gas purification device

#184
20120102919
2012-05-03

Method of mixing exhaust gas exiting an exhaust stack outlet with cooling air exiting a cooling package outlet including a regeneration control algorithm and machine using same

#185
20120102918
2012-05-03

Method of mixing exhaust gas exiting an exhaust stack outlet with cooling air exiting a cooling package outlet and machine using same

#186
20120085589
2012-04-12

Muffler for vehicle

#187
20120055736
2012-03-08

Muffler for vehicle

#188
20120011833
2012-01-19

Exhaust gas purifying device for internal combustion engine

#189
20110308234
2011-12-22

Dosing and mixing arrangement for use in exhaust aftertreatment

#190
20110284308
2011-11-24

Exhaust systems for vehicles

#191
20110272209
2011-11-10

Silencer

#192
20110252772
2011-10-20

Device for purifying exhaust gas of an internal combustion engine

#193
20110225958
2011-09-22

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#194
20110225953
2011-09-22

Exhaust chamber in motorcycle exhaust system

#195
20110219755
2011-09-15

Exhaust-gas purification system for diesel engines

#196
20110219749
2011-09-15

Exhaust system having multiple inlets and multiple outlets

#197
20110214416
2011-09-08

Exhaust emission control device

#198
20110192676
2011-08-11

Exhaust muffler

#199
20110167808
2011-07-14

Engine with exhaust gas treatment apparatus

#200
20110167807
2011-07-14

Exhaust gas purifying device

#201
20110154810
2011-06-30

Engine device

#202
20110154809
2011-06-30

Engine device

#203
20110142723
2011-06-16

Exhaust gas purifying device

#204
20110113759
2011-05-19

Device for the aftertreatment of exhaust gases of internal combustion engines

#205
20110088376
2011-04-21

Exhaust emission control device

#206
20110047963
2011-03-03

Exhaust processing device and manufacturing method thereof

#207
20110031063
2011-02-10

Silencer for motor vehicle exhaust line

#208
20110030352
2011-02-10

Two-stroke lean burn gas engine with a silencer/catalytic converter

#209
20110000199
2011-01-06

Construction machine

#210
20100307134
2010-12-09

Device and method for the reduction of emissions

#211
20100263353
2010-10-21

Exhaust treatment device having flow-promoting end caps

#212
20100257849
2010-10-14

Exhaust emission control device

#213
20100242451
2010-09-30

Exhaust gas-treating device

#214
20100212301
2010-08-26

Flow device for an exhaust system

#215
20100199843
2010-08-12

IMPACT DIESEL PARTICULATE FILTER

#216
20100196219
2010-08-05

Exhaust emission control device

#217
20100178215
2010-07-15

Exhaust gas purification apparatus

#218
20100170232
2010-07-08

Baffle for Distribution of Exhaust Flow

#219
20100132348
2010-06-03

Exhaust emission control device

#220
20100126791
2010-05-27

Construction machine

#221
20100107613
2010-05-06

Black exhaust purification apparatus for diesel engine

#222
20100024407
2010-02-04

Emissions control filter assembly and system

#223
20100011754
2010-01-21

Exhaust gas muffler

#224
20090313979
2009-12-24

Exhaust emission control device

#225
20090301808
2009-12-10

Muffler structure for vehicle

#226
20090293452
2009-12-03

After-treatment system

#227
20090277164
2009-11-12

Burner assembly for particulate trap regeneration

#228
20090272263
2009-11-05

Electrically regenerated exhaust particulate filter having non-axial regeneration flame propagation

#229
20090255242
2009-10-15

Low pressure drop mixer for radial mixing of internal combustion engine exhaust flows, combustor incorporating same, and methods of mixing

#230
20090236174
2009-09-24

EXHAUST APPARATUS OF VEHICLE ENGINE

#231
20090223212
2009-09-10

System for treating exhaust gas

#232
20090188246
2009-07-30

Deflector Plate to Enhance Fluid Stream Contact with a Catalyst

#233
20090158709
2009-06-25

Exhaust emission purifying apparatus for engine

#234
20090145687
2009-06-11

Motorcycle exhaust muffler

#235
20090133382
2009-05-28

Electrically regenerated exhaust particulate filter for an engine system and operating strategy therefor

#236
20090107127
2009-04-30

System for treating exhaust gas

#237
20090107115
2009-04-30

System for treating exhaust gas

#238
20090038879
2009-02-12

Muffler unit for general-purpose engine

#239
20090032332
2009-02-05

Housings for flue gas units

#240
20090000863
2009-01-01

Exhaust pipe

#241
20090000282
2009-01-01

Performance exhaust system

#242
20080286167
2008-11-20

Catalyst Apparatus

#243
20080282689
2008-11-20

EXHAUST GAS DIFFUSER

#244
20080277016
2008-11-13

EXHAUST TUBE INTERFACE FOR AN EXHAUST TREATMENT DEVICE

#245
20080264048
2008-10-30

Exhaust gas purification device for internal combustion engine

#246
20080236940
2008-10-02

Exhaust device for motorcycle engine

#247
20080178585
2008-07-31

Exhaust treatment device having flow-promoting end caps

#248
20080138256
2008-06-12

Catalytic purification device

#249
20080110155
2008-05-15

Exhauster for motorcycle and motorcycle including exhauster

#250
20080072580
2008-03-27

Guide structure and exhaust gas purification device

#251
20080072579
2008-03-27

Two-stroke lean burn gas engine with a silencer/catalytic converter

#252
20080069742
2008-03-20

Infinitely variable aftertreatment systems and manufacturing process

#253
20080066451
2008-03-20

Exhaust treatment packaging apparatus, system, and method

#254
20080066446
2008-03-20

Impact diesel particulate filter

#255
20080053078
2008-03-06

Two-stroke lean burn gas engine with a silencer/catalytic converter

#256
20080053076
2008-03-06

EXHAUST DEVICE WITH A FLAME RESONATOR

#257
20080053068
2008-03-06

Device & Method for the Reduction of Emissions

#258
20080023265
2008-01-31

Combination Silencer

#259
20070277512
2007-12-06

Internal combustion engine including dual particulate filter with ash accumulation receptacle

#260
20070256673
2007-11-08

MOTORCYCLE DYNAMIC EXHAUST SYSTEM

#261
20070245713
2007-10-25

Two-stroke lean burn gas engine with a silencer/catalytic converter

#262
20070193251
2007-08-23

Eldridge ENJET - Engine Exhaust Jet Nozzle - An Exhaust Gas Dispersal and Dilution Method and Apparatus for Internal Combustion Engines

#263
20070144828
2007-06-28

Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms

#264
20070012006
2007-01-18

Constructive disposition in a particulate matter sealing device existing in gas originating from fuel burning and/or chemical reaction when running internal combustion engines

#265
20060260867
2006-11-23

Silencer containing one or more porous bodies

#266
20060243822
2006-11-02

Dynamically adjusting tuned exhaust system

#267
20060236681
2006-10-26

Exhaust emission purifying apparatus for engine

#268
20060231330
2006-10-19

Spun extrusion side entry muffler

#269
20060218902
2006-10-05

Burner assembly for particulate trap regeneration

#270
20060201742
2006-09-14

Motorcycle exhaust system

#271
20060171866
2006-08-03

Deflector plate to enhance fluid stream contact with a catalyst

#272
20060156712
2006-07-20

Exhaust gas treatment system

#273
20060153748
2006-07-13

Exhaust gas after treatment system, especially for a diesel engine

#274
20060096282
2006-05-11

Method and apparatus for purifying exhaust gases

#275
20060008397
2006-01-12

Space-saving exhaust-gas aftertreatment unit with inflow and return-flow regions lying one inside the other and gas inlet and outlet on the same side

#276
20060000205
2006-01-05

Motorcycle dynamic exhaust system

#277
20050262835
2005-12-01

Two-stroke lean burn gas engine with a silencer/catalytic converter

#278
20050224283
2005-10-13

Internal combustion engine silencer

#279
20050223703
2005-10-13

Muffler with catalytic converter arrangement; and method

#280
20050103003
2005-05-19

Exhaust gas muffler

#281
18305900
2024-06-18

Engine with exhaust heater

#282
18065215
2023-12-12

Exhaust gas burner assembly

#283
17099464
2021-12-28

Water separator for marine exhaust system

#284
16837784
2020-11-17

Water separator for marine exhaust system

#285
16106829
2020-09-01

Water separator for marine exhaust system