F01N1/065 - CPC Classification Index

#1

20220381169

2022-12-01

SOUND PRESSURE GENERATOR

#2

20210062696

2021-03-04

Exhaust sound bypass

#3

20200355101

2020-11-12

SOUND GENERATING DEVICE, VEHICLE EXHAUST SYSTEM AND METHOD OF MANUFACTURING A SOUND GENERATING DEVICE

#4

20200300136

2020-09-24

METHOD OF SELECTING AN OPERATING MODE OF AN ACTIVE SOUND GENERATING DEVICE OF AN EXHAUST SYSTEM, EXHAUST SYSTEM, AND MOTOR VEHICLE

#5

20200291837

2020-09-17

EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE AS WELL AS MOTOR VEHICLE

#6

20200279547

2020-09-03

Loudspeaker arrangement

#7

20190301321

2019-10-03

EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE

#8

20190301320

2019-10-03

SOUND GENERATING SYSTEM, MOTOR VEHICLE WITH A SOUND GENERATING SYSTEM, AND SOUND SENSOR UNIT FOR A SOUND GENERATING SYSTEM

#9

20190259371

2019-08-22

Noise reduction device, mobile body device, and noise reduction method

#10

20190162090

2019-05-30

Motor vehicle having a control apparatus for at least one loudspeaker of an exhaust system of the motor vehicle

#11

20190158952

2019-05-23

Sound generating device as well as vehicle exhaust system

#12

20190136729

2019-05-09

Active noise cancelation systems and devices

#13

20190072021

2019-03-07

SOUND GENERATING ASSEMBLY FOR AN EXHAUST SYSTEM

#14

20180374473

2018-12-27

Exhaust system sound generation assembly unit

#15

20180320646

2018-11-08

Road vehicle with an internal combustion engine and provided with an exhaust noise transmission device

#16

20180291795

2018-10-11

Vehicle exhaust assembly

#17

20180227672

2018-08-09

Audio system

#18

20180094555

2018-04-05

Active noise cancelation systems and devices

#19

20170268395

2017-09-21

Waste air exhausting device having functionality to abate noise and modulate noise frequency

#20

20170234180

2017-08-17

Vehicle noise suppression method

#21

20170234179

2017-08-17

Use of active noise system

#22

20170229108

2017-08-10

Sound system for a motor vehicle

#23

20170218805

2017-08-03

Emission signature modification device

#24

20170206883

2017-07-20

Method of generating a drive signal for a loudspeaker arranged in a motor vehicle, an exhaust system for an engine and a sound system for a passenger cell

#25

20170193975

2017-07-06

Active noise-control system with source-separated reference signal

#26

20170175602

2017-06-22

Active noise control system

#27

20170133003

2017-05-11

Sound generator for mounting on a vehicle to manipulate vehicle noise

#28

20170130625

2017-05-11

Vehicle combustion noise-masking control apparatus and method using the same

#29

20170096101

2017-04-06

Vehicle acoustic apparatus, and methods of use and manufacture thereof

#30

20170074407

2017-03-16

Valve unit including a mechanical coupler

#31

20170074134

2017-03-16

Connection pipe for connecting an active muffler to an exhaust system for an internal combustion engine

#32

20170058733

2017-03-02

Exhaust system for an internal combustion engine

#33

20160192095

2016-06-30

Method for performing an active profiling of a sound emitted by an engine and corresponding profiling system

#34

20160090885

2016-03-31

Overload protection for an actuator of a system for controlling sound propagating through an exhaust system

#35

20160010523

2016-01-14

Attenuating engine noise using a reverse resonator

#36

20150287399

2015-10-08

Method of influencing the exhaust noise of a motor vehicle and exhaust system for a motor vehicle

#37

20150255054

2015-09-10

Active design of exhaust sounds

#38

20150230012

2015-08-13

Sound generator system for a motor vehicle

#39

20150159527

2015-06-11

Sound generator for a system for influencing exhaust noise of a motor vehicle

#40

20150144419

2015-05-28

Methods devices apparatus assemblies and systems for generating and directing sound pressure waves

#41

20150124990

2015-05-07

Actuator arrangement on a vehicle structure

#42

20150100221

2015-04-09

NOISE/VIBRATION REDUCTION CONTROL

#43

20150071452

2015-03-12

ACTIVE SOUND GENERATION DEVICE

#44

20150060192

2015-03-05

Exhaust system having a system for removing condensate

#45

20150020762

2015-01-22

Sound generator for an anti-noise system for influencing exhaust noise and/or intake noise of a motor vehicle

#46

20140376733

2014-12-25

System for influencing exhaust noise in a multi-flow exhaust system

#47

20140341712

2014-11-20

Low-noise fume extractor hood

#48

20140334633

2014-11-13

Sound generator for an anti-noise system for influencing exhaust noises and/or intake noises of a motor vehicle

#49

20140328493

2014-11-06

Sound generator for an exhaust system

#50

20140105439

2014-04-17

Loudspeaker with improved thermal load capacity

#51

20130233642

2013-09-12

Exhaust valve combined with active noise control system

#52

20130230185

2013-09-05

Sound generating device for vehicle, and sound generating method for vehicle

#53

20130186062

2013-07-25

Exhaust device for an internal combustion engine

#54

20130092471

2013-04-18

Active sound absorbers

#55

20130013147

2013-01-10

Anti-sound system for exhaust systems and method for controlling the same

#56

20130001010

2013-01-03

Abating low-frequency noise using encapsulated gas bubbles

#57

20120312629

2012-12-13

Expandable chamber acoustic silencer

#58

20120308023

2012-12-06

Active noise control system for exhaust systems and method for controlling the same

#59

20120288111

2012-11-15

Transmission path compensator

#60

20120285766

2012-11-15

Exhaust system component

#61

20120097478

2012-04-26

Muffler

#62

20110192152

2011-08-11

EXHAUST SYSTEM

#63

20110127105

2011-06-02

MUFFLER FOR VEHICLE

#64

20110005857

2011-01-13

EXHAUST SYSTEM AND CORRESPONDING CONNECTION DEVICE FOR AN ACTUATOR

#65

20110000734

2011-01-06

Exhaust system with active exhaust muffler

#66

20100172511

2010-07-08

Active silencer and method for controlling active silencer

#67

20090260916

2009-10-22

Device and method for active noise cancellation in an exhaust gas channel of a combustion engine

#68

20090255754

2009-10-15

Active muffler

#69

20090236173

2009-09-24

Method for reducing noise in a vehicle cabin

#70

20080181433

2008-07-31

Noise reduction in a system

#71

20080173496

2008-07-24

Method for operating mode-dependent sound control

#72

20080152159

2008-06-26

Method for influencing sound

#73

20080053747

2008-03-06

Active muffler for an exhaust system

#74

20070205043

2007-09-06

ACTIVE MUFFLER FOR AN EXHAUST SYSTEM

#75

20070071250

2007-03-29

Method and device for attenuating the noise generated at the outlet of an exhaust line

#76

20070062756

2007-03-22

Active exhaust-noise attenuation muffler

#77

20060037808

2006-02-23

Active exhaust muffler

#78

20050167190

2005-08-04

Noise management system for reducing airborne and structure borne noise of a vehicle exhaust system

#79

16508828

2020-09-08

Selective noise cancellation for a vehicle

#80

16029807

2019-07-23

Exhaust valve and active noise control for compact exhaust system

#81

13789132

2016-03-15

Systems and methods for active exhaust noise cancellation