ClassID:

137944

F01N13/1816 - CPC Classification

Classification description:

Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups  - , ,; Construction facilitating manufacture, assembly, or disassembly; Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes

Recent Application in this class:
#1
20250360999
2025-11-27

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

#2
20240286726
2024-08-29

EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

#3
20240102412
2024-03-28

Exhaust system for a work vehicle

#4
20230313726
2023-10-05

Exhaust system for a work vehicle

#5
20230272871
2023-08-31

Support for exhaust stack

#6
20230243446
2023-08-03

Vehicle exhaust evacuation system

#7
20230031660
2023-02-02

Vehicle exhaust evacuation system

#8
20220127984
2022-04-28

Vane mixer in engine exhaust system

#9
20220106931
2022-04-07

Recirculation pipe and engine system including the same

#10
20210341088
2021-11-04

FLEXIBLE JOINT STRUCTURE FOR EXHAUST PIPE

#11
20210277816
2021-09-09

After-treatment system for repower locomotives

#12
20210254537
2021-08-19

Exhaust aftertreatment system universal joint flex pipe assembly

#13
20210222596
2021-07-22

MOBILE MULTIPLE ENGINE EXHAUST EMISSIONS PROCESSING SYSTEM

#14
20210033230
2021-02-04

Line element with friction-reducing layer

#15
20200309013
2020-10-01

EXHAUST PIPE STRUCTURE

#16
20200248610
2020-08-06

Assembly and method for braking the displacement of a tailpipe cover

#17
20200217444
2020-07-09

Breathable multi-component exhaust insulation system

#18
20200116288
2020-04-16

Line element with damping element

#19
20200003106
2020-01-02

Vehicle exhaust system

#20
20190264858
2019-08-29

Breathable multi-component exhaust insulation system

#21
20190118237
2019-04-25

Tube product, tube bender and method for using same

#22
20190048780
2019-02-14

Bellows having tweezers-shaped corrugated portions and method for manufacturing same

#23
20190010856
2019-01-10

Self-restraining abrasion prevention exhaust conduit

#24
20180363818
2018-12-20

Flexible Conduit Element

#25
20180363536
2018-12-20

Exhaust coupling system and method

#26
20180313472
2018-11-01

Methods and assemblies for pie cuts

#27
20180313248
2018-11-01

Component of an exhaust system and method of manufacturing such a component

#28
20180291795
2018-10-11

Vehicle exhaust assembly

#29
20180266618
2018-09-20

Breathable multi-component exhaust insulation system

#30
20180257483
2018-09-13

Exhaust after-treatment mounting arrangement

#31
20180252141
2018-09-06

Heat shield for bellows

#32
20180245502
2018-08-30

Flexible conduit element with an end portion suitable for attachment to a rigid conduit element, and method of assembly of same

#33
20180238222
2018-08-23

Line element for compensating for expansions and/or relative movements

#34
20180224028
2018-08-09

Line element having an inner element and an outer element

#35
20180223717
2018-08-09

Thermally insulative, durable, reflective convoluted sleeve and method of construction thereof

#36
20180156101
2018-06-07

Flexible Conduit Element

#37
20180119864
2018-05-03

Flexible Conduit Element

#38
20180094757
2018-04-05

Joint assembly

#39
20180087434
2018-03-29

Manifold sealing face for improved bellows installation

#40
20180030877
2018-02-01

Compensator

#41
20170164426
2017-06-08

AUSTENITIC STAINLESS STEELS INCLUDING MOLYBDENUM

#42
20170146175
2017-05-25

Line assembly

#43
20170089249
2017-03-30

Exhaust gas treatment device

#44
20160318388
2016-11-03

Exhaust after-treatment mounting arrangement

#45
20160290202
2016-10-06

Exhaust treatment device

#46
20160238174
2016-08-18

Flexible pipe element and method for inserting a seal in a flexible pipe element

#47
20160230908
2016-08-11

Strip wound hose

#48
20160160733
2016-06-09

Decoupler for flexible connection of exhaust pipes

#49
20160146086
2016-05-26

Exhaust system structure for improving noise problem

#50
20160115840
2016-04-28

Construction machine

#51
20160053929
2016-02-25

Floating load ring for flexible joint

#52
20160032813
2016-02-04

Exhaust connection member with braided cover and method of making the same

#53
20160003388
2016-01-07

Dynamic liner sleeve for flexible coupling

#54
20160003117
2016-01-07

Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines

#55
20150369103
2015-12-24

Engine unit and work vehicle

#56
20150337710
2015-11-26

Locomotive and transit system efficiency and emissions improvements

#57
20150330056
2015-11-19

Hydraulic excavator

#58
20150314236
2015-11-05

Mounting system for aftertreatment component

#59
20150300235
2015-10-22

Exhaust manifold

#60
20150285413
2015-10-08

Exhaust system having segmented service flange

#61
20150275721
2015-10-01

System and method for tuned exhaust

#62
20150240447
2015-08-27

Hydraulic excavator

#63
20150226101
2015-08-13

Engine device

#64
20150204470
2015-07-23

Flexible tube for exhaust pipe of automobile

#65
20150184778
2015-07-02

Pipe component and method for manufacturing a pipe component

#66
20150167523
2015-06-18

Construction machine

#67
20150076814
2015-03-19

Flexible conduit assembly

#68
20150053299
2015-02-26

Uncoupling element

#69
20150040372
2015-02-12

Method and apparatus for manufacturing interlocking pipe

#70
20150033734
2015-02-05

Gas flow distributing flexible coupling

#71
20150013948
2015-01-15

Flexible insulation device

#72
20150000256
2015-01-01

Engine unit and work vehicle

#73
20140352287
2014-12-04

Exhaust gas treatment device

#74
20140352285
2014-12-04

Internal combustion engine

#75
20140319822
2014-10-30

Exhaust connection member with braided cover

#76
20140290781
2014-10-02

Exhaust gas treatment unit

#77
20140290220
2014-10-02

Engine unit

#78
20140261842
2014-09-18

Flexible tube for exhaust pipe of automobiles

#79
20140261073
2014-09-18

Locomotive natural gas storage and transfer system

#80
20140261059
2014-09-18

Hybrid systems for locomotives

#81
20140260217
2014-09-18

Locomotive and transit system efficiency and emissions improvements

#82
20140238005
2014-08-28

Exhaust energy recovery for engines

#83
20140231158
2014-08-21

Exhaust pipe structure of hybrid vehicle

#84
20140182290
2014-07-03

Multi-stage turbocharged engine

#85
20140165544
2014-06-19

Modular manifold for motor vehicles

#86
20140102085
2014-04-17

Hydraulic excavator

#87
20140102082
2014-04-17

Exhaust system with line element

#88
20140090925
2014-04-03

Exhaust component with vibration isolated pipe

#89
20140083791
2014-03-27

Working vehicle including exhaust gas treatment device

#90
20140044606
2014-02-13

Flexible line segment for the exhaust system of an internal combustion engine

#91
20140033686
2014-02-06

Device for distributing fluids in exhaust systems

#92
20130313819
2013-11-28

Decoupling element for an exhaust system

#93
20130306186
2013-11-21

Breathable multi-component exhaust insulation system

#94
20130233433
2013-09-12

Process for manufacturing a wound hose, particularly a spiral wound metallic hose, as well as wound hose and flexible conduction element with a wound hose

#95
20130187375
2013-07-25

Uncoupling element for shielding against structure-borne sound

#96
20130133776
2013-05-30

Process for manufacturing a heat-insulated uncoupling element and an uncoupling element, especially for exhaust gas lines of internal combustion engines

#97
20130087243
2013-04-11

Method for manufacturing exhaust connection member with preformed braided cover

#98
20130067917
2013-03-21

Systems and apparatus for transferring fluid flow

#99
20130067872
2013-03-21

Device for the purification of particle-laden gases

#100
20130047605
2013-02-28

Turbocharger

#101
20130037764
2013-02-14

MANIPULATION TOOL FOR BELLOWS

#102
20130015652
2013-01-17

FREQUENCY-CONTROLLED EXHAUST BELLOWS ASSEMBLY

#103
20120318371
2012-12-20

Bellows assembly and engaging structure

#104
20120318229
2012-12-20

Internal combustion engine comprising a connecting assembly for a cylinder head

#105
20120279606
2012-11-08

INTERNALLY INSULATED RIGID EXHAUST SYSTEM AND METHOD FOR MAKING SAME

#106
20120261211
2012-10-18

Flexible muffler for use in aircraft environmental control systems and method of manufacture

#107
20120217737
2012-08-30

Offset check gauge for flexible bellows

#108
20120204538
2012-08-16

Burnt gas exhaust pipe extender

#109
20120160600
2012-06-28

Tubular acoustic insulating element

#110
20120112453
2012-05-10

Exhaust connection member with preformed braided cover

#111
20120112452
2012-05-10

COMPRESSIBLE EXHAUST CONNECTION MEMBER

#112
20120056422
2012-03-08

PIPE CONNECTION FOR CONNECTING PIPES OF A MOTOR VEHICLE, EXHAUST SYSTEM, AIR INTAKE SYSTEM AND MOTOR VEHICLE

#113
20120056414
2012-03-08

EXHAUST SYSTEM CONDUIT WITH THERMAL/NOISE INSULATION

#114
20120006012
2012-01-12

Flange plate, flange connection and exhaust manifold

#115
20110232796
2011-09-29

Stretchable stripwound hose

#116
20110209790
2011-09-01

Damping element for decoupling elements, in particular for membrane bellows

#117
20110194987
2011-08-11

SCR system with compensation element and motor vehicle having an SCR system

#118
20110146255
2011-06-23

Exhaust gas treatment device

#119
20110126522
2011-06-02

EXHAUST APPARATUS FOR TRANSVERSE ENGINE

#120
20110126521
2011-06-02

Exhaust apparatus for transverse engine

#121
20110073209
2011-03-31

Flexible vibration absorbing tube

#122
20110056582
2011-03-10

Exhaust-gas conduction component

#123
20110016859
2011-01-27

Exhaust manifold of an internal combustion engine

#124
20100300569
2010-12-02

CORRUGATED HOSE

#125
20100275588
2010-11-04

Exhaust gas treatment device for construction machine

#126
20100269328
2010-10-28

Device for mechanically decoupled fastening of an aircraft component perfused by hot gas

#127
20100230956
2010-09-16

Seal assembly including a multilayered sliding member

#128
20100206419
2010-08-19

STRETCHABLE METAL TUBE

#129
20100186395
2010-07-29

Apparatus for cooling overheated gas in engine room

#130
20100181765
2010-07-22

Sealing joint for connecting adjoining duct pieces in an engine exhaust system

#131
20100178099
2010-07-15

Angled flexible coupling with integral outer shield and/or inner liner

#132
20100154397
2010-06-24

EXHAUST GAS SYSTEM

#133
20100083646
2010-04-08

Decoupling element

#134
20100040465
2010-02-18

Turbocharger mount with integrated exhaust and exhaust gas recirculation connections

#135
20100028075
2010-02-04

Sealing joint for connecting adjoining duct pieces in an engine exhaust system

#136
20100011764
2010-01-21

Thermatically operated bypass valve for passive warmup control of aftertreatment device

#137
20100007138
2010-01-14

HOSE CONNECTOR WITH TORSIONAL DECOUPLING

#138
20090309355
2009-12-17

Double cover-center cushion decoupler

#139
20090285626
2009-11-19

Flexible element with integral outer shield and/or inner liner

#140
20090205325
2009-08-20

Compact exhaust gas aftertreatment system

#141
20090114303
2009-05-07

Flexible conduit element

#142
20090084094
2009-04-02

Exhaust aftertreatment system with compliantly coupled sections

#143
20090077956
2009-03-26

Flexible Exhaust Pipe Coupling

#144
20090026763
2009-01-29

Sliding Sealing Connector

#145
20080308170
2008-12-18

Air duct having flexible bellows

#146
20080289322
2008-11-27

Exhaust purification device for internal combustion engine, and exhaust control device and exhaust control method for internal combustion engine

#147
20080283328
2008-11-20

Longitudinal stringer exhaust flex pipe assembly

#148
20080245435
2008-10-09

STRETCHABLE METAL TUBE

#149
20080184704
2008-08-07

Tubular moulding

#150
20080163613
2008-07-10

Vehicle exhaust system structure

#151
20080041482
2008-02-21

METAL TUBE ARRANGEMENT WITH INNER TUBE AND OUTER TUBE

#152
20080034739
2008-02-14

Exhaust system of a motor vehicle with a diesel engine

#153
20080012297
2008-01-17

Flexible pipe element

#154
20070176416
2007-08-02

Exhaust pipe joint with insert

#155
20070132232
2007-06-14

Decoupling element impervious to liquid fluids

#156
20070035125
2007-02-15

Flexible tube for an exhaust pipe of an automobile

#157
20060278291
2006-12-14

Pipe element, especially for exhaust pipes in motor vehicles, and method for producing the same

#158
20060266022
2006-11-30

Exhaust system

#159
20060197340
2006-09-07

Flexible joint for exhaust pipe

#160
20060096804
2006-05-11

Exhaust pipe with profiled inner tube, and method of making an exhaust pipe

#161
20060081302
2006-04-20

Flexible tube

#162
20060032218
2006-02-16

Decoupling hose for a motor vehicle exhaust system

#163
20060017285
2006-01-26

Flexible tube for an exhaust pipe of an automobile

#164
20060005536
2006-01-12

Exhaust decoupler

#165
20050274424
2005-12-15

Exhaust-gastight decoupling element from stripwound hoses

#166
20050271562
2005-12-08

Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls

#167
20050247516
2005-11-10

Vehicle exhaust system support structure

#168
20050242577
2005-11-03

Exhaust gas bellows expansion joint

#169
20050167192
2005-08-04

Silencer for a motor vehicle exhaust system, and its method of mounting

#170
20050161945
2005-07-28

Cantilever wind-exhausting pipe

#171
20050127670
2005-06-16

Device for connecting parts

#172
20050062286
2005-03-24

Exhaust vibration decoupling connector

#173
20050036927
2005-02-17

Integrated catalytic converter and flexible endcone assembly

#174
20050022521
2005-02-03

Internal combustion engine exhaust cooling and removal apparatus

#175
20050011573
2005-01-20

Flexible liner air gap pipe

#176
20050006901
2005-01-13

Exhaust fume diverter

#177
20050000206
2005-01-06

Decoupling hose for a motor vehicle exhaust system

#178
18973284
2026-02-10

Exhaust treatment devices for exhaust aftertreatment system

#179
18369485
2024-07-23

Exhaust handling systems for marine vessels and related methods

#180
17391501
2022-10-11

Vehicle exhaust evacuation system