ClassID:

141037

F02M35/1266 - CPC Classification

Classification description:

Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines; Intake silencers Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments

Recent Application in this class:
#1
20260153068
2026-06-04

RESONATOR-INTEGRATED DUCT AND METHOD FOR MANUFACTURING RESONATOR- INTEGRATED DUCT

#2
20260139649
2026-05-21

VEHICLE

#3
20250389243
2025-12-25

RESONATOR FOR VEHICLE

#4
20250361845
2025-11-27

AIR INTAKE DUCT FOR MOTOR VEHICLE

#5
20240068430
2024-02-29

RESONATOR STRUCTURE

#6
20230102336
2023-03-30

Space-saving broadband resonator having a resonator insert

#7
20220397083
2022-12-15

Engine intake structure for vehicles

#8
20220381209
2022-12-01

Apparatus for reducing flow noise of air intake system of vehicle

#9
20210293210
2021-09-23

Broad-band resonance silencer, in particular for a motor vehicle engine

#10
20210190020
2021-06-24

Breather device for outboard motor engine

#11
20200408139
2020-12-31

Supercharger integral resonator

#12
20200248660
2020-08-06

Acoustic resonator

#13
20200232429
2020-07-23

Inline high frequency fiber silencer

#14
20200141372
2020-05-07

Resonator having excellent airtightness

#15
20190010903
2019-01-10

ACOUSTIC ATTENUATION DEVICE FOR AN INTAKE LINE

#16
20180363602
2018-12-20

Intake structure for vehicle engine

#17
20180313307
2018-11-01

PNEUMATICALLY INSULATING AND ACOUSTICALLY PERMEABLE SYMPOSER DEVICE FOR A NOISE TRANSMISSION DUCT OF AN INTERNAL COMBUSTION ENGINE

#18
20180266373
2018-09-20

Vehicle silencer

#19
20180245554
2018-08-30

Vehicle silencer

#20
20180245553
2018-08-30

Vehicular resonator

#21
20180231028
2018-08-16

Acoustic damper with resonator members arranged in-parallel

#22
20180223779
2018-08-09

Device for lowering flow noises

#23
20180223778
2018-08-09

Independent intake runner resonator system

#24
20180171865
2018-06-21

SUPERCHARGER INTEGRAL RESONATOR

#25
20180156172
2018-06-07

Device for attenuating intake noise and radiated noise

#26
20180149122
2018-05-31

Vehicle silencer

#27
20180142588
2018-05-24

Silencer and vehicle engine including same

#28
20180100473
2018-04-12

INTAKE SYSTEM COMPONENT

#29
20180010558
2018-01-11

Manufacturing method of head box of motorcycle, and air-intake device of motorcycle

#30
20170316771
2017-11-02

Resonator with ring-shaped chamber between an inner tube and an outer wall and with a dividing rib extending from the inner tube toward the outer wall

#31
20170249933
2017-08-31

Sound attenuation device and method

#32
20170204881
2017-07-20

Supercharger outlet resonator

#33
20170175690
2017-06-22

Intake sound reduction device for internal combustion engine

#34
20170114761
2017-04-27

RESONATOR ASSEMBLY AND MANUFACTURING PROCESS FOR PRODUCING THE SAME

#35
20170074220
2017-03-16

Muffler

#36
20160377037
2016-12-29

Variable intake system

#37
20160238175
2016-08-18

Fluid line assembly

#38
20160201621
2016-07-14

Resonator

#39
20160160717
2016-06-09

Silencer for an internal combustion engine of a motor vehicle

#40
20160102637
2016-04-14

Air cleaner assembly with integrated acoustic resonator

#41
20160097315
2016-04-07

SILENCER

#42
20150226163
2015-08-13

Resonator for vehicle

#43
20150198150
2015-07-16

Integral resonators for roots-type supercharger

#44
20150107935
2015-04-23

Intake system having a silencer device

#45
20150059340
2015-03-05

Engine having an air box baffle

#46
20140345733
2014-11-27

Damper for air lines of an internal combustion engine having a turbocharger and method for producing said damper

#47
20140090922
2014-04-03

Simplified modal attenuator

#48
20140083790
2014-03-27

Four-wheeled vehicle

#49
20130291500
2013-11-07

AIR CLEANER WITH INTEGRATED RESONATOR

#50
20130263822
2013-10-10

Wide-band damper for charge air lines of an internal combustion engine with turbocharger

#51
20130263810
2013-10-10

Multi-mode air induction tuning duct

#52
20130213732
2013-08-22

Fluid line having a resonator

#53
20130129492
2013-05-23

Exhaust-gas turbocharger with silencer

#54
20130071241
2013-03-21

Compressor of an exhaust-gas turbocharger

#55
20130025780
2013-01-31

Manufacture of an acoustic silencer

#56
20130008738
2013-01-10

Sound transmission system

#57
20130008737
2013-01-10

Control device of a motor vehicle

#58
20130008402
2013-01-10

Sound transmission system

#59
20120304629
2012-12-06

Adsorption unit and absorption muffler of an intake manifold of an internal combustion engine

#60
20120181107
2012-07-19

Resonator

#61
20120090915
2012-04-19

Air duct attenuator

#62
20120024623
2012-02-02

Noise attenuator and vehicle air intake duct provided therewith

#63
20110108358
2011-05-12

NOISE ATTENUATOR AND RESONATOR

#64
20110097194
2011-04-28

Radial Compressor

#65
20110074067
2011-03-31

Manufacture of an acoustic silencer

#66
20110073406
2011-03-31

Acoustic silencer

#67
20110061970
2011-03-17

Accoustic attenuation device for an intake line of a combustion engine and intake line incorporating same

#68
20100193282
2010-08-05

Broadband noise resonator

#69
20100065005
2010-03-18

Air inlet system for internal combustion engine

#70
20100000206
2010-01-07

Intake and exhaust system of internal combustion engine

#71
20090320420
2009-12-31

Air filter housing for a compact air filter element

#72
20090314241
2009-12-24

AIR INDUCTION HOUSING HAVING AN AUXILIARY TUNING VOLUME FOR ENHANCING ATTENUATION AND BROADENING THE BANDWIDTH OF A PRIMARY SOUND ATTENUATOR

#73
20090236172
2009-09-24

Air induction sound modification system for internal combustion engine

#74
20090133658
2009-05-28

Intake manifold for engine

#75
20080184955
2008-08-07

Engine air intake system with resilient coupling having internal noise attenuation tuning

#76
20080173271
2008-07-24

Adjustable helmholtz resonator

#77
20080168961
2008-07-17

Intake assembly with integral resonators

#78
20080135010
2008-06-12

Intake assembly having Helmholtz resonators

#79
20080073145
2008-03-27

SILENCER

#80
20080053394
2008-03-06

Intake device for a motorcycle

#81
20070295554
2007-12-27

Sound Proofing Device and Device for Conducting a Fluid

#82
20070131189
2007-06-14

Intake device of internal combustion engine

#83
20060292426
2006-12-28

FILTER ASSEMBLIES AND SYSTEMS FOR INTAKE AIR FOR FUEL CELLS

#84
20060288695
2006-12-28

Intake and exhaust system of internal combustion engine

#85
20060065479
2006-03-30

Resonator

#86
20060032700
2006-02-16

Noise reduction technique for snowmobiles

#87
20060027204
2006-02-09

Intake noise suppressor

#88
20060027202
2006-02-09

Air intake device for two-wheeled motor vehicle

#89
20060022468
2006-02-02

Flexible hose, preferably a charge-air hose for automotive vehicles

#90
20050279568
2005-12-22

Silencer

#91
20050252716
2005-11-17

Electronically controlled dual chamber variable resonator

#92
20050247034
2005-11-10

Air filter assembly module

#93
20050205041
2005-09-22

Air induction system having an environmentally resistant acoustic membrane

#94
20050173186
2005-08-11

Air intake apparatus

#95
20050150718
2005-07-14

Resonator with retention ribs

#96
20050076623
2005-04-14

Filter assemblies and systems for intake air for fuel cells

#97
20050067220
2005-03-31

Sound absorber

#98
20050022772
2005-02-03

Air intake system and forklift equipped with it

#99
17869492
2023-03-28

Intake system of vehicle

#100
15174201
2019-07-09

Intake systems for stern drives having intake silencers