ClassID:

138122

F01N2470/16 - CPC Classification

Classification description:

Structure or shape of gas passages, pipes or tubes Plurality of inlet tubes, e.g. discharging into different chambers

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

EXHAUST MIXER ASSEMBLY

#2
20250122820
2025-04-17

EXHAUST MIXER ASSEMBLY

#3
20240426233
2024-12-26

EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

#4
20240068392
2024-02-29

Method of controlling exhaust gas delivery between turbochargers

#5
20220220874
2022-07-14

Exhaust system and muffler

#6
20220186651
2022-06-16

Decomposition chamber for aftertreatment systems

#7
20220099007
2022-03-31

Exhaust system

#8
20220034256
2022-02-03

Turbocharger manifold, system, and method

#9
20220025793
2022-01-27

Method and apparatus for converting a vehicle from a dual-in, single-out exhaust system to a dual-in, dual-out exhaust system

#10
20210293173
2021-09-23

Sinuous balanced tailpipe system

#11
20210148262
2021-05-20

Multi-mode exhaust muffler

#12
20210115824
2021-04-22

Methods and systems for an exhaust muffler system

#13
20200369402
2020-11-26

Double inlets exhaust system for unmanned aerial vehicle

#14
20200271042
2020-08-27

Exhaust structure for saddle riding vehicle

#15
20200191039
2020-06-18

Cross-pipe exhaust system

#16
20190360379
2019-11-28

MODULAR MUFFLER ASSEMBLY AND METHOD

#17
20190338690
2019-11-07

Muffler assembly including a center muffler and two satellite mufflers

#18
20190337377
2019-11-07

Muffler assembly including a center muffler and two satellite mufflers

#19
20190249588
2019-08-15

Muffler unit

#20
20190178124
2019-06-13

Acoustically tuned muffler

#21
20190128221
2019-05-02

Customizable engine air intake/exhaust systems

#22
20190024549
2019-01-24

Method for forming a collar in a muffler housing

#23
20190017426
2019-01-17

Exhaust gas mixer

#24
20180274426
2018-09-27

Exhaust device

#25
20180245493
2018-08-30

Exhaust system for marine engine

#26
20180238208
2018-08-23

Vehicle including cabin disturbance mitigation system

#27
20180161720
2018-06-14

Gas scrubber for desulphurising flue gases on a ship

#28
20170138246
2017-05-18

Exhaust system for engine

#29
20170101939
2017-04-13

Exhaust control device for engine

#30
20170074132
2017-03-16

Exhaust system for internal combustion engine

#31
20170058732
2017-03-02

Exhaust system having variable exhaust gas paths

#32
20160169078
2016-06-16

Exhaust gas system of a motor vehicle

#33
20160123211
2016-05-05

Exhaust device for combustion engine

#34
20160017779
2016-01-21

Exhaust gas aftertreatment apparatus

#35
20150369103
2015-12-24

Engine unit and work vehicle

#36
20150330283
2015-11-19

Tailor to fit muffler

#37
20150275721
2015-10-01

System and method for tuned exhaust

#38
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

#39
20150255054
2015-09-10

Active design of exhaust sounds

#40
20150204280
2015-07-23

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

#41
20150000256
2015-01-01

Engine unit and work vehicle

#42
20140352285
2014-12-04

Internal combustion engine

#43
20140311821
2014-10-23

Exhaust muffler

#44
20140044612
2014-02-13

After-treatment system

#45
20130239547
2013-09-19

Integrated WGS/ECD exhaust treatment device for internal combustion engine having an EGR loop

#46
20120260639
2012-10-18

Exhaust gas cleaning component with deflection surface, method for production thereof and motor vehicle having the component

#47
20120210687
2012-08-23

Filter for internal combustion engines

#48
20120111663
2012-05-10

Resonator for a dual-flow exhaust system

#49
20110219749
2011-09-15

Exhaust system having multiple inlets and multiple outlets

#50
20100307134
2010-12-09

Device and method for the reduction of emissions

#51
20100275594
2010-11-04

Exhaust heat recovery system

#52
20100199843
2010-08-12

IMPACT DIESEL PARTICULATE FILTER

#53
20100146955
2010-06-17

X-tube and corresponding exhaust system

#54
20100126153
2010-05-27

INTERNAL COMBUSTION ENGINE

#55
20090301807
2009-12-10

Exhaust muffler for exhaust system

#56
20090266066
2009-10-29

Equal length Y-collector

#57
20090229913
2009-09-17

Dual Mode Exhaust Muffler

#58
20090152038
2009-06-18

Exhaust system for motorcycle and motorcycle including the same

#59
20090145687
2009-06-11

Motorcycle exhaust muffler

#60
20090114477
2009-05-07

Exhaust system for a motorcycle, and motorcycle incorporating same

#61
20080066446
2008-03-20

Impact diesel particulate filter

#62
20080053068
2008-03-06

Device & Method for the Reduction of Emissions

#63
20080035418
2008-02-14

Exhaust sound and emission control systems

#64
20080023265
2008-01-31

Combination Silencer

#65
20070277512
2007-12-06

Internal combustion engine including dual particulate filter with ash accumulation receptacle

#66
20070119433
2007-05-31

Device for exhaust gas purification for spark-ignited engines

#67
20070102224
2007-05-10

Exhaust system of motorcycle and motorcycle including exhaust system

#68
20070068150
2007-03-29

Mixing element for an exhaust gas system

#69
20070045043
2007-03-01

Muffler for an exhaust gas system

#70
20060231330
2006-10-19

Spun extrusion side entry muffler

#71
20060188422
2006-08-24

Device for purifying motor vehicle exhaust gases

#72
20060107656
2006-05-25

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

#73
20060048502
2006-03-09

Integrated system for reducing fuel consumption and emissions in an internal combustion engine

#74
20060040158
2006-02-23

Fuel cell discharge-gas processing device

#75
20060037814
2006-02-23

Exhaust system of internal combustion engine

#76
20050279571
2005-12-22

Exhaust sound and emission control systems

#77
20050133301
2005-06-23

Muffler for internal combustion engine

#78
20050115764
2005-06-02

Muffler

#79
20050103003
2005-05-19

Exhaust gas muffler

#80
20050023078
2005-02-03

Tuned exhaust system for small engines

#81
18305900
2024-06-18

Engine with exhaust heater

#82
18065215
2023-12-12

Exhaust gas burner assembly

#83
17662626
2023-09-05

Cross-pipe exhaust assembly