ClassID:

138118

F01N2470/08 - CPC Classification

Classification description:

Structure or shape of gas passages, pipes or tubes Gas passages being formed between the walls of an outer shell and an inner chamber

Recent Application in this class:
#1
20240418116
2024-12-19

Emissions Reduction Systems and Methods

#2
20240376840
2024-11-14

EXHAUST GAS SYSTEM UNIT

#3
20240018890
2024-01-18

DOSING AND MIXING ASSEMBLIES FOR EXHAUST AFTERTREATMENT SYSTEM

#4
20230332528
2023-10-19

Exhaust gas aftertreatment device

#5
20230151757
2023-05-18

Emissions reduction systems and methods

#6
20230134048
2023-05-04

EXHAUST STRUCTURE FOR ENGINE

#7
20220341357
2022-10-27

Dosing and mixing assemblies for exhaust aftertreatment system

#8
20220243637
2022-08-04

Emissions reduction systems and methods

#9
20220186651
2022-06-16

Decomposition chamber for aftertreatment systems

#10
20220003140
2022-01-06

Emissions reduction systems and methods

#11
20210301693
2021-09-30

Exhaust muffler

#12
20210199036
2021-07-01

APPARATUS FOR REMOVING MOISTURE FROM EXHAUST GAS

#13
20200208556
2020-07-02

Exhaust gas aftertreatment system for an internal combustion engine

#14
20200173322
2020-06-04

Exhaust pipe, combustion engine machine, and motor vehicle

#15
20200141299
2020-05-07

Heat recovery device and heat recovery system with a thermoelectric module

#16
20200063622
2020-02-27

DEVICE AND METHOD FOR INJECTING A MIXING GAS INTO AN EXHAUST LINE

#17
20190249588
2019-08-15

Muffler unit

#18
20190234263
2019-08-01

Muffler

#19
20190186317
2019-06-20

Component of an exhaust gas system and method for exhaust gas after-treatment

#20
20190178141
2019-06-13

Exhaust heat recovery system

#21
20190128169
2019-05-02

Exhaust heat recovery apparatus

#22
20190128167
2019-05-02

Mixer system proximate to vehicle engine

#23
20190112961
2019-04-18

Exhaust gas/reactant mixing assembly unit

#24
20190107025
2019-04-11

Diesel exhaust fluid mixing

#25
20190085744
2019-03-21

Exhaust device for internal combustion engine

#26
20190078476
2019-03-14

Exhaust device for internal combustion engine

#27
20190055866
2019-02-21

Exhaust device for internal combustion engine

#28
20190040782
2019-02-07

Method and system for exhaust-gas heat management

#29
20180266301
2018-09-20

Muffler

#30
20180230887
2018-08-16

Engine exhaust extractor with internal airfoils and method of manufacturing

#31
20180187584
2018-07-05

Exhaust system

#32
20180149053
2018-05-31

Exhaust gas muffler and method for the manufacture thereof

#33
20180135510
2018-05-17

Exhaust gas pressure regulator for a combustion engine

#34
20180051613
2018-02-22

Reductant dosing unit compact side feed inlet port

#35
20180003096
2018-01-04

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

#36
20170321592
2017-11-09

Compact inline inlet with integrated cast ring

#37
20170268403
2017-09-21

Cyclonic thermal diffuser and method

#38
20170241319
2017-08-24

Exhaust gas reduction unit for internal combustion engine

#39
20170218805
2017-08-03

Emission signature modification device

#40
20170204765
2017-07-20

Engine device

#41
20170184001
2017-06-29

Catalytic converter and exhaust-gas aftertreatment arrangement

#42
20170138243
2017-05-18

Exhaust gas mixer

#43
20170089239
2017-03-30

Exhaust muffler and sound deadening element

#44
20170037761
2017-02-09

Modular exhaust gas treatment device for an exhaust gas system of an internal combustion engine

#45
20170009622
2017-01-12

Particulate filter for a motor vehicle

#46
20160158695
2016-06-09

Airstream treatment apparatus (ATA) and methods of use thereof

#47
20160069239
2016-03-10

Flowhood and emissions cleaning module

#48
20150176451
2015-06-25

Cooling structure for urea aqueous solution conduit

#49
20150047921
2015-02-19

Fluid flow noise mitigation structure and method

#50
20150040544
2015-02-12

Structure for utilizing exhaust heat of vehicle

#51
20150020509
2015-01-22

METHOD AND SYSTEM FOR MAXIMIZING FUEL EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE

#52
20140360170
2014-12-11

Exhaust system of an internal combustion engine

#53
20140352285
2014-12-04

Internal combustion engine

#54
20140331658
2014-11-13

Exhaust system for an off-road vehicle

#55
20140260220
2014-09-18

Exhaust purification device

#56
20140238000
2014-08-28

Burner with air-assisted fuel nozzle and vaporizing ignition system

#57
20140182961
2014-07-03

Vehicle having an auxiliary exhaust pipe

#58
20140033703
2014-02-06

Device having a heat exchanger for a thermoelectric generator of a motor vehicle and motor vehicle having the device

#59
20140033702
2014-02-06

Device having a heat exchanger for a thermoelectric generator of a motor vehicle and motor vehicle having the device

#60
20130305696
2013-11-21

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

#61
20130276754
2013-10-24

Spark-ignition internal combustion engine having wall portion separating at least the two cylinders

#62
20130174537
2013-07-11

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

#63
20130139505
2013-06-06

Device for exhaust-gas treatment near an engine and motor vehicle having the device

#64
20130019590
2013-01-24

DYNAMICALLY ADJUSTING TUNED EXHAUST SYSTEM

#65
20120317961
2012-12-20

Exhaust device

#66
20120210687
2012-08-23

Filter for internal combustion engines

#67
20120144809
2012-06-14

CATALYTIC CONVERTER MODULE

#68
20120131907
2012-05-31

Exhaust gas purification apparatus of an internal combustion engine

#69
20120117943
2012-05-17

Reformer

#70
20120103719
2012-05-03

Exhaust filter

#71
20120047881
2012-03-01

Electric heating catalyst

#72
20120020858
2012-01-26

High-efficiency catalytic converters for treating exhaust gases

#73
20110219749
2011-09-15

Exhaust system having multiple inlets and multiple outlets

#74
20110167807
2011-07-14

Exhaust gas purifying device

#75
20110031063
2011-02-10

Silencer for motor vehicle exhaust line

#76
20110014098
2011-01-20

High-efficiency catalytic converters for treating exhaust gases

#77
20100146954
2010-06-17

Liquid-cooled exhaust valve assembly

#78
20090271096
2009-10-29

Fuel supply device and fuel supply method for internal combustion engine

#79
20090255242
2009-10-15

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

#80
20090175772
2009-07-09

High-efficiency catalytic converters for treating exhaust gases

#81
20080251314
2008-10-16

Exhaust system for an engine and motorcycle including the exhaust system

#82
20080219767
2008-09-11

Road finisher

#83
20070214779
2007-09-20

Catalytic converter unit and apparatus

#84
20060243822
2006-11-02

Dynamically adjusting tuned exhaust system

#85
20060107656
2006-05-25

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

#86
20050132674
2005-06-23

Particulate matter reducing apparatus

#87
20050056008
2005-03-17

Particulate removing apparatus and diesel engine vehicle equipped with same

#88
20050051383
2005-03-10

Muffler with internal heat shield