Helmholtz resonators

Industry

CPC
G10K2210/32272

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G10Musical instruments G10KSOUND-PRODUCING DEVICES ACOUSTICS NOT OTHERWISE PROVIDED FOR G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups

Current Industry

G10K2210/32272Helmholtz resonators

Industries

Patents Grantslast 30 patents

Information Patent Grant
Broadband sound absorber based on inhomogeneous-distributed Helmhol...
- Patent number 11,929,053
- Issue date Mar 12, 2024
- The Hong Kong University of Science and Technology
- Jingwen Guo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Fairings for power generation machines
- Patent number 11,527,228
- Issue date Dec 13, 2022
- Rolls-Royce PLC
- Richard Peace
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Helmholtz resonators with broadband capability
- Patent number 11,514,878
- Issue date Nov 29, 2022
- Purdue Research Foundation
- Fabio Semperlotti
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic direction sensor
- Patent number 11,153,681
- Issue date Oct 19, 2021
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Taehwa Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Image forming apparatus and cartridge unit having a helmholtz reson...
- Patent number 10,551,788
- Issue date Feb 4, 2020
- Canon Kabushiki Kaisha
- Takashi Hiratsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Damper for gas turbine
- Patent number 10,260,745
- Issue date Apr 16, 2019
- ANSALDO ENERGIA IP UK LIMITED
- Mirko Ruben Bothien
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Active design of exhaust sounds
- Patent number 9,728,176
- Issue date Aug 8, 2017
- Eberspächer Exhaust Technology GmbH & Co. KG
- Mathias Keck
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Ear canal earpiece and earmold unit for an earpiece
- Patent number 9,628,925
- Issue date Apr 18, 2017
- Senheiser electronic GmbH & Co. KG
- Heinz Epping
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound absorber
- Patent number 9,472,179
- Issue date Oct 18, 2016
- Xiaobing Cai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Helmholtz resonator
- Patent number 6,792,907
- Issue date Sep 21, 2004
- Visteon Global Technologies, Inc.
- John D. Kostun
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Tunable active sound absorbers
- Patent number 6,778,673
- Issue date Aug 17, 2004
- Maximilian Hans Hobelsberger
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for reducing engine noise
- Patent number 5,828,759
- Issue date Oct 27, 1998
- Siemens Electric Limited
- Gary Everingham
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Device for reducing tire/road surface noise
- Patent number 5,598,479
- Issue date Jan 28, 1997
- Continental Aktiengesellschaft
- Thomas Dodt
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Condition responsive muffler for refrigerant compressors
- Patent number 5,475,189
- Issue date Dec 12, 1995
- Carrier Corporation
- Michael G. Field
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Arrangement for active sound damping
- Patent number 5,466,899
- Issue date Nov 14, 1995
- Nokia Technology
- Stefan Geisenberger
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electronic muffler
- Patent number 5,457,749
- Issue date Oct 10, 1995
- Noise Cancellation Technologies, Inc.
- John A. Cain
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Intake sound control apparatus
- Patent number 5,446,790
- Issue date Aug 29, 1995
- Nippondenso Co., Ltd.
- Katsuyuki Tanaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dual bandpass secondary source
- Patent number 5,432,857
- Issue date Jul 11, 1995
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound attenuating system
- Patent number 5,347,585
- Issue date Sep 13, 1994
- Calsonic Corporation
- Masao Taki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Tandem transducer magnet structure
- Patent number 5,323,466
- Issue date Jun 21, 1994
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dual bandpass secondary source
- Patent number 5,319,165
- Issue date Jun 7, 1994
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Single cavity automobile muffler
- Patent number 5,272,286
- Issue date Dec 21, 1993
- Active Noise and Vibration Technologies, Inc.
- John J. Cain
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic conductance and silencer utilizing same
- Patent number 5,257,316
- Issue date Oct 26, 1993
- Matsushita Electric Works, Ltd.
- Hiroaki Takeyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Protective anc loudspeaker membrane
- Patent number 5,233,137
- Issue date Aug 3, 1993
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Internal ported band pass enclosure for sound cancellation
- Patent number 5,229,556
- Issue date Jul 20, 1993
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active muffler transducer arrangement
- Patent number 5,119,902
- Issue date Jun 9, 1992
- Ford Motor Company
- Earl R. Geddes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Extended frequency range Helmholtz resonators
- Patent number 5,119,427
- Issue date Jun 2, 1992
- Alan S. Hersh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active sound attenation system for engine exhaust systems and the like
- Patent number 5,097,923
- Issue date Mar 24, 1992
- Noise Cancellation Technologies, Inc.
- Eldon W. Ziegler
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active acoustic attenuation mixing chamber
- Patent number 5,044,464
- Issue date Sep 3, 1991
- Nelson Industries, Inc.
- Cary D. Bremigan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active attenuator and method
- Patent number 4,750,523
- Issue date Jun 14, 1988
- Beloit Corporation
- Jere W. Crouse
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
ACOUSTIC WAVE ATTENUATOR FOR AN ELECTRONIC DEVICE
- Publication number 20230092004
- Publication date Mar 23, 2023
- Apple Inc.
- Peter C. Hrudey
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
SOUND ABSORBER UNIT AND WHEEL WITH SOUND ABSORBER DEVICE
- Publication number 20220144014
- Publication date May 12, 2022
- CITIC DICASTAL CO., LTD
- Xi LI
- B60 - VEHICLES IN GENERAL
Information Patent Application
ACOUSTIC DIRECTION SENSOR
- Publication number 20210127201
- Publication date Apr 29, 2021
- Toyota Motor Engineering & Manufacturing North America, Inc.
- Taehwa Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BROADBAND SOUND ABSORBER BASED ON INHOMOGENEOUS-DISTRIBUTED HELMHOL...
- Publication number 20210074255
- Publication date Mar 11, 2021
- THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Jingwen GUO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ACTIVE HELMHOLTZ RESONATOR WITH ACTUATED MEMBRANE
- Publication number 20200265822
- Publication date Aug 20, 2020
- Faurecia Emissions Control Technologies, USA, LLC
- James Egan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VEHICLE WHEEL
- Publication number 20200023683
- Publication date Jan 23, 2020
- Honda Motor Co., Ltd.
- Youichi KAMIYAMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
VEHICLE WHEEL
- Publication number 20200023684
- Publication date Jan 23, 2020
- Honda Motor Co., Ltd.
- Yusuke OSAWA
- B60 - VEHICLES IN GENERAL
Information Patent Application
VEHICLE WHEEL
- Publication number 20200010030
- Publication date Jan 9, 2020
- Honda Motor Co., Ltd.
- Youichi KAMIYAMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HELMHOLTZ RESONATORS WITH BROADBAND CAPABILITY
- Publication number 20190266990
- Publication date Aug 29, 2019
- Purdue Research Foundation
- Fabio Semperlotti
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
FAIRINGS FOR POWER GENERATION MACHINES
- Publication number 20190259364
- Publication date Aug 22, 2019
- Rolls-Royce plc
- Richard PEACE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE UNIT
- Publication number 20190137927
- Publication date May 9, 2019
- Canon Kabushiki Kaisha
- Takashi Hiratsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EAR CANAL EARPIECE AND EARMOLD UNIT FOR AN EARPIECE
- Publication number 20160066111
- Publication date Mar 3, 2016
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Heinz Epping
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HELMHOLTZ RESONATOR
- Publication number 20040173175
- Publication date Sep 9, 2004
- John D. Kostun
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Helmholtz resonators

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Broadband sound absorber based on inhomogeneous-distributed Helmhol...

Fairings for power generation machines

Helmholtz resonators with broadband capability

Acoustic direction sensor

Image forming apparatus and cartridge unit having a helmholtz reson...

Damper for gas turbine

Active design of exhaust sounds

Ear canal earpiece and earmold unit for an earpiece

Sound absorber

Helmholtz resonator

Tunable active sound absorbers

System and method for reducing engine noise

Device for reducing tire/road surface noise

Condition responsive muffler for refrigerant compressors

Arrangement for active sound damping

Electronic muffler

Intake sound control apparatus

Dual bandpass secondary source

Sound attenuating system

Tandem transducer magnet structure

Dual bandpass secondary source

Single cavity automobile muffler

Acoustic conductance and silencer utilizing same

Protective anc loudspeaker membrane

Internal ported band pass enclosure for sound cancellation

Active muffler transducer arrangement

Extended frequency range Helmholtz resonators

Active sound attenation system for engine exhaust systems and the like

Active acoustic attenuation mixing chamber

Active attenuator and method

Patents Applicationslast 30 patents

ACOUSTIC WAVE ATTENUATOR FOR AN ELECTRONIC DEVICE

SOUND ABSORBER UNIT AND WHEEL WITH SOUND ABSORBER DEVICE

ACOUSTIC DIRECTION SENSOR

BROADBAND SOUND ABSORBER BASED ON INHOMOGENEOUS-DISTRIBUTED HELMHOL...

ACTIVE HELMHOLTZ RESONATOR WITH ACTUATED MEMBRANE

VEHICLE WHEEL

VEHICLE WHEEL

VEHICLE WHEEL

HELMHOLTZ RESONATORS WITH BROADBAND CAPABILITY

FAIRINGS FOR POWER GENERATION MACHINES

IMAGE FORMING APPARATUS AND CARTRIDGE UNIT

EAR CANAL EARPIECE AND EARMOLD UNIT FOR AN EARPIECE

HELMHOLTZ RESONATOR