ClassID:

137742

F01N1/003 - CPC Classification

Classification description:

Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages

Sub-classes:
Recent Application in this class:
#1
20260002464
2026-01-01

VEHICLE EXHAUST ASSEMBLIES AND METHODS THEREFOR

#2
20230203973
2023-06-29

Vehicle exhaust system

#3
20220412245
2022-12-29

VEHICLE EXHAUST ASSEMBLIES AND METHODS THEREFOR

#4
20220389848
2022-12-08

MUFFLER AND METHOD FOR MAKING A MUFFLER

#5
20220311083
2022-09-29

Traction battery venting system and venting method

#6
20220275738
2022-09-01

Acoustically tuned muffler

#7
20220220873
2022-07-14

Exhaust device

#8
20210131343
2021-05-06

Two-passage exhaust system for an engine

#9
20200392878
2020-12-17

Vehicle exhaust system

#10
20200369402
2020-11-26

Double inlets exhaust system for unmanned aerial vehicle

#11
20200353813
2020-11-12

Exhaust gas purification device

#12
20200248598
2020-08-06

Tail pipe

#13
20200031219
2020-01-30

Exhaust structure of vehicle

#14
20190368396
2019-12-05

Muffler for an exhaust system of an internal combustion engine

#15
20190218955
2019-07-18

Vehicle frame with acoustic volume for an exhaust system

#16
20190211737
2019-07-11

Muffler system

#17
20190178124
2019-06-13

Acoustically tuned muffler

#18
20190136740
2019-05-09

Exhaust silencer device

#19
20190107019
2019-04-11

Acoustically tuned muffler

#20
20190024548
2019-01-24

Muffler

#21
20180142588
2018-05-24

Silencer and vehicle engine including same

#22
20180016954
2018-01-18

Exhaust-gas system

#23
20170268402
2017-09-21

Exhaust-gas after-treatment device

#24
20170183994
2017-06-29

Exhaust device structure for rocking vehicle

#25
20170122154
2017-05-04

Muffler for an exhaust system of an internal combustion engine

#26
20160376953
2016-12-29

Exhaust muffler

#27
20160281557
2016-09-29

Silencer for internal combustion engine

#28
20160245140
2016-08-25

Exhaust gas duct system for an internal combustion engine

#29
20160245138
2016-08-25

Exhaust structure of straddle-type vehicle, and vehicle incorporating same

#30
20150377487
2015-12-31

Damper for gas turbine

#31
20150247433
2015-09-03

IC power plant and method of operation

#32
20150047922
2015-02-19

Muffler having coupling of a tailpipe by means of a coupling chamber

#33
20140251718
2014-09-11

Muffler equipped with catalytic converter

#34
20140251717
2014-09-11

Muffler equipped with catalytic converter

#35
20140014746
2014-01-16

Ejector

#36
20120260626
2012-10-18

IC Power Plant and Method of Operation

#37
20120210704
2012-08-23

Exhaust muffler for general-purpose engine

#38
20120111662
2012-05-10

ENGINE EXHAUST

#39
20120055736
2012-03-08

Muffler for vehicle

#40
20110073405
2011-03-31

Exhaust component

#41
20110005860
2011-01-13

EXHAUST COMPONENT WITH REDUCED PACK

#42
20100307143
2010-12-09

IC power plant, and method of operation

#43
20100263762
2010-10-21

Wire tube structure for exhaust component

#44
20100213000
2010-08-26

Vehicular muffler and motorcycle incorporating same

#45
20100193284
2010-08-05

Exhaust chamber for the exhaust line of an automobile

#46
20100192880
2010-08-05

Exhaust pipe structure for saddle-ride type vehicle

#47
20100192557
2010-08-05

Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine

#48
20100192556
2010-08-05

Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine

#49
20100192553
2010-08-05

Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine

#50
20100084220
2010-04-08

Sound-attenuating muffler having reduced back pressure

#51
20100051379
2010-03-04

Enhanced Exhaust System

#52
20090308686
2009-12-17

Venturi muffler

#53
20090242324
2009-10-01

Sub-muffler

#54
20090155108
2009-06-18

Hyperbolic horn for pulsation filter device used with gas compressor

#55
20090139796
2009-06-04

Exhaust device for straddle-type vehicle and straddle-type vehicle

#56
20090038879
2009-02-12

Muffler unit for general-purpose engine

#57
20090031717
2009-02-05

Exhaust flow distribution device

#58
20090007551
2009-01-08

Exhaust Gas Aftertreatment System

#59
20080308347
2008-12-18

Vehicular exhaust system

#60
20080302598
2008-12-11

Silencer

#61
20080245606
2008-10-09

Automotive muffler

#62
20080163488
2008-07-10

Method for manufacturing an exhaust element of an exhaust line of a vehicle with a heat engine and exhaust element, namely obtained through implementing said method

#63
20080116004
2008-05-22

Motorcycle Exhaust System and Motorcycle Provided with Exhaust System

#64
20080110693
2008-05-15

Exhaust system for motorcycle

#65
20080053748
2008-03-06

Vehicle exhaust systems

#66
20080035421
2008-02-14

Exhaust deflector for a muffler

#67
20070295002
2007-12-27

Motorcycle

#68
20070284187
2007-12-13

Exhaust deflector for a muffler

#69
20070277510
2007-12-06

System to control exhaust gas temperature

#70
20070272478
2007-11-29

Internal combustion engine exhaust component and a method of making an internal combustion engine exhaust component

#71
20070240932
2007-10-18

Long fiber thermoplastic composite muffler system with integrated reflective chamber

#72
20070227811
2007-10-04

Vehicle exhaust system

#73
20070227001
2007-10-04

Method of producing metal tubular member

#74
20070205045
2007-09-06

Muffler for an exhaust system

#75
20070051557
2007-03-08

Automobile exhaust pipe assembly

#76
20070045043
2007-03-01

Muffler for an exhaust gas system

#77
20070045041
2007-03-01

Muffler for an exhaust system

#78
20060242952
2006-11-02

Exhaust system for motorcycle

#79
20060231329
2006-10-19

Acoustic dampers

#80
20060070375
2006-04-06

Exhaust flow distribution device

#81
20060054381
2006-03-16

Exhaust heat recovery muffler

#82
20060039836
2006-02-23

Meander-type catalytic converter

#83
20050284691
2005-12-29

Integrated heat exchanger and muffler unit

#84
20050284140
2005-12-29

Reflection catalytic converter

#85
20050230182
2005-10-20

Exhaust volume

#86
20050223703
2005-10-13

Muffler with catalytic converter arrangement; and method

#87
20050161283
2005-07-28

Vehicle exhaust systems

#88
20050161280
2005-07-28

Silencer and electronic equipment

#89
20050126382
2005-06-16

Silencer

#90
20050061579
2005-03-24

Exhaust gas muffler and flow director

#91
20050023076
2005-02-03

Bumper/muffler assembly

#92
20050011698
2005-01-20

Internal combustion engine exhaust system