Patents-Review.com
ClassID:

138119 ⎘

F01N2470/10 - CPC Classification

Classification description:

Structure or shape of gas passages, pipes or tubes Tubes having non-circular cross section

Recent Application in this class:
#1
20250347243
2025-11-13

EXHAUST PURIFICATION APPARATUS

 #2
20250172081
2025-05-29

MARINE VESSEL AND EXHAUST MANIFOLD FOR MARINE VESSEL

 #3
20240060442
2024-02-22

Flow management device

 #4
20230323805
2023-10-12

Exhaust discharge system

 #5
20230313725
2023-10-05

CIRCULAR EXHAUST-DIFFUSER SYSTEM

 #6
20230235691
2023-07-27

Mixing tube

 #7
20230212975
2023-07-06

Exhaust discharge system

 #8
20220220874
2022-07-14

Exhaust system and muffler

 #9
20200309010
2020-10-01

Modular system for exhaust heat recovery devices, tubular adapter for a modular system, and vehicle

 #10
20190234263
2019-08-01

Muffler

 #11
20190226371
2019-07-25

Muffler

 #12
20190154154
2019-05-23

Floating ducts

 #13
20190128167
2019-05-02

Mixer system proximate to vehicle engine

 #14
20190112960
2019-04-18

Catalyst device

 #15
20190093599
2019-03-28

Exhaust heat recovery unit

 #16
20190085744
2019-03-21

Exhaust device for internal combustion engine

 #17
20190078476
2019-03-14

Exhaust device for internal combustion engine

 #18
20190055866
2019-02-21

Exhaust device for internal combustion engine

 #19
20180266301
2018-09-20

Muffler

 #20
20180216515
2018-08-02

Exhaust duct

 #21
20180169728
2018-06-21

Method of manufacturing a cylindrical housing of an exhaust gas treatment unit and method of manufacturing an exhaust gas treatment unit for vehicles

 #22
20180128415
2018-05-10

Vehicular exhaust pipe structure

 #23
20170268403
2017-09-21

Cyclonic thermal diffuser and method

 #24
20170037765
2017-02-09

Exhaust Manifold

 #25
20160347168
2016-12-01

Exhaust muffler for transverse installation in a vehicle

 #26
20160326937
2016-11-10

Plenum chamber for exhaust system

 #27
20160245146
2016-08-25

Exhaust muffler

 #28
20160061089
2016-03-03

Exhaust device of multi-cylinder engine

 #29
20160053664
2016-02-25

Muffler and its corresponding manufacturing method

 #30
20150322831
2015-11-12

Sub-muffler and manufacturing method of sub-muffler

 #31
20150204280
2015-07-23

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

 #32
20150059913
2015-03-05

Exhaust pipe

 #33
20140314632
2014-10-23

Exhaust aftertreatment device with integrated shell and baffle

 #34
20140150840
2014-06-05

Thermoelectric generator unit

 #35
20130327417
2013-12-12

SELF ALIGNING VENTURI PIPE ASSEMBLY

 #36
20120222767
2012-09-06

Exhaust aftertreatment device with integrated shell and baffle

 #37
20120152399
2012-06-21

F.U.N tunnel(s)

 #38
20120138382
2012-06-07

Housing

 #39
20120117944
2012-05-17

Exhaust flow divider

 #40
20110154812
2011-06-30

Oval-to-round exhaust collector system

 #41
20110126526
2011-06-02

Exhaust pipe structure of vehicle

 #42
20110113758
2011-05-19

Exhaust line with reagent injector

 #43
20100221107
2010-09-02

Duct for changing direction of flow, particularly for turbocharger compressor inlet

 #44
20100018193
2010-01-28

VORTEX-ENHANCED EXHAUST MANIFOLD

 #45
20100011755
2010-01-21

COLLECTING PART STRUCTURE OF EXHAUST MANIFOLD

 #46
20100005793
2010-01-14

Exhaust component assemblies with divider plates

 #47
20090223212
2009-09-10

System for treating exhaust gas

 #48
20090158722
2009-06-25

EMISSION CONTROL SYSTEM

 #49
20090127025
2009-05-21

Triangular cross section exhaust muffler

 #50
20090107115
2009-04-30

System for treating exhaust gas

 #51
20080202117
2008-08-28

Exhaust line element provided with a turbocompressor

 #52
20080099276
2008-05-01

Exhaust diffuser for vehicle

 #53
20080098599
2008-05-01

Processes for producing exhaust gas manifolds

 #54
20080066451
2008-03-20

Exhaust treatment packaging apparatus, system, and method

 #55
20080000718
2008-01-03

Muffler structure

 #56
20070204751
2007-09-06

Static mixer and exhaust gas treatment device

 #57
20070143999
2007-06-28

Method for producing a dimensionally accurate honeycomb body

 #58
20070039319
2007-02-22

Exhaust manifold

 #59
20060279082
2006-12-14

Tube having multi-channel tube and branch tubes, connection structure thereof and connection method therefore

 #60
20060277902
2006-12-14

Exhaust components including high temperature divider plate assemblies

 #61
20060260867
2006-11-23

Silencer containing one or more porous bodies

 #62
20060201653
2006-09-14

Waste gas heat exchanger

 #63
20060144585
2006-07-06

Exhaust gas heat exchanger for cogeneration system

 #64
20060021507
2006-02-02

Particulate trap with selective blocking element

 #65
20050252713
2005-11-17

Shell main body for muffler

 #66
20050224283
2005-10-13

Internal combustion engine silencer

 #67
20050217227
2005-10-06

Device for cleaning vehicular exhaust gas, in particular a diesel exhaust particle filter, and vehicle comprising such device

 #68
20050023078
2005-02-03

Tuned exhaust system for small engines