by using interference effect

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CPC
F01N1/06

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES F01N1/00Silencing apparatus characterised by method of silencing

Current Industry

F01N1/06by using interference effect

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System and method for a cab-mounted muffler assembly
- Patent number 12,215,612
- Issue date Feb 4, 2025
- Transportation IP Holdings, LLC
- Sandeep Kanzal Venkatesha
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound attenuating engine exhaust system
- Patent number 12,071,874
- Issue date Aug 27, 2024
- K & N Engineering, Inc.
- Steve E. Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Exhaust sound bypass
- Patent number 11,988,122
- Issue date May 21, 2024
- McLaren Automotive Limited
- Giuseppe Iossa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Air-transparent selective sound silencer using ultra-open metamaterial
- Patent number 11,846,217
- Issue date Dec 19, 2023
- Trustees of Boston University
- Xin Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for equalizing backpressure in engine cylinders
- Patent number 11,686,239
- Issue date Jun 27, 2023
- Cummins Inc.
- Daniel J. Mohr
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Sound suppressor
- Patent number 11,674,417
- Issue date Jun 13, 2023
- Cameron M. Baxter
- F41 - WEAPONS
Information Patent Grant
Exhauster assembly for a vehicle
- Patent number 11,660,933
- Issue date May 30, 2023
- Motus Integrated Technologies
- Michael James Camella
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drone elimination muffler
- Patent number 11,655,740
- Issue date May 23, 2023
- K & N Engineering, Inc.
- Steve Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise abatement system for internal combustion engines
- Patent number 11,603,780
- Issue date Mar 14, 2023
- Paolo Fresi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Exhaust sound attenuation device
- Patent number 11,434,794
- Issue date Sep 6, 2022
- Caterpillar Inc.
- Andrew Greif
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Exhaust system and muffler
- Patent number 11,391,195
- Issue date Jul 19, 2022
- Tenneco Automotive Operating Company Inc.
- Ankit Barot
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for equalizing backpressure in engine cylinders
- Patent number 11,319,860
- Issue date May 3, 2022
- Cummins Inc.
- Daniel J. Mohr
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust device for internal combustion engine
- Patent number 11,248,504
- Issue date Feb 15, 2022
- Honda Motor Co., Ltd.
- Keisuke Kishikawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust device for internal combustion engine
- Patent number 11,236,652
- Issue date Feb 1, 2022
- Honda Motor Co., Ltd.
- Keisuke Kishikawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Combined exhaust gas silencer
- Patent number 11,193,405
- Issue date Dec 7, 2021
- ZdenZden{hacek over (e)}k Mach
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Road vehicle with an internal combustion engine and provided with a...
- Patent number 11,028,743
- Issue date Jun 8, 2021
- Ferrari S.p.A.
- Francesco Naclerio
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Loudspeaker arrangement
- Patent number 11,011,151
- Issue date May 18, 2021
- Harman Becker Automotive Systems GmbH
- Markus Christoph
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Air-transparent selective sound silencer using ultra-open metamaterial
- Patent number 10,947,876
- Issue date Mar 16, 2021
- Trustees of Boston University
- Xin Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Motor vehicle having a control apparatus for at least one loudspeak...
- Patent number 10,871,093
- Issue date Dec 22, 2020
- Audi AG
- Markus Rüegg
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Compressor diffuser with diffuser pipes varying in natural vibratio...
- Patent number 10,823,196
- Issue date Nov 3, 2020
- Pratt & Whitney Canada Corp.
- Ignatius Theratil
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Exhaust system sound generation assembly unit
- Patent number 10,825,442
- Issue date Nov 3, 2020
- Eberspächer Exhaust Technology GmbH & Co. KC
- Sven Grötzinger
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Exhaust device for internal combustion engine
- Patent number 10,787,943
- Issue date Sep 29, 2020
- Honda Motor Co., Ltd.
- Keisuke Kishikawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Selective noise cancellation for a vehicle
- Patent number 10,770,056
- Issue date Sep 8, 2020
- Harman Becker Automotive Systems GmbH
- Nikos Zafeiropoulos
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Exhaust system for an internal combustion automotive engine
- Patent number 10,753,264
- Issue date Aug 25, 2020
- AKRAPOVIC D.D.
- Jaka Klemenc
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust sound generating apparatus of vehicle
- Patent number 10,746,078
- Issue date Aug 18, 2020
- Hyundai Motor Company
- Keonwoo Kim
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust-gas system
- Patent number 10,746,065
- Issue date Aug 18, 2020
- Bayerische Motoren Werke Aktiegesellschaft
- Christian Eichmueller
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for equalizing backpressure in engine cylinders
- Patent number 10,704,449
- Issue date Jul 7, 2020
- Cummins Inc.
- Daniel J. Mohr
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Noise reduction device, mobile body device, and noise reduction method
- Patent number 10,600,401
- Issue date Mar 24, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Shotaro Ueno
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drone elimination muffler
- Patent number 10,519,828
- Issue date Dec 31, 2019
- K & N Engineering, Inc.
- Steve Williams
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Active noise cancelation systems and devices
- Patent number 10,494,969
- Issue date Dec 3, 2019
- General Electric Company
- Quoc Hoai Nguyen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SOUND ATTENUATING ENGINE EXHAUST SYSTEM
- Publication number 20240418111
- Publication date Dec 19, 2024
- K&N Engineering, Inc.
- Steve E. Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AIR AMPLIFIER WITH NOISE SUPPRESSION
- Publication number 20240183293
- Publication date Jun 6, 2024
- MSG Entertainment Group, LLC
- Robert ANDERSON
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL
- Publication number 20240077008
- Publication date Mar 7, 2024
- Trustees of Boston University
- Xin Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DRONE ELIMINATION MUFFLER
- Publication number 20230304425
- Publication date Sep 28, 2023
- K&N Engineering, Inc.
- Steve Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SOUND PRESSURE GENERATOR
- Publication number 20220381169
- Publication date Dec 1, 2022
- Mitsubishi Heavy Industries, Ltd.
- Yoshiko TAKEI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Noise abatement system for internal combustion engines
- Publication number 20220298940
- Publication date Sep 22, 2022
- Paolo Fresi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEMS AND METHODS FOR EQUALIZING BACKPRESSURE IN ENGINE CYLINDERS
- Publication number 20220228521
- Publication date Jul 21, 2022
- Cummins Inc.
- Daniel J. Mohr
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SYSTEM AND METHOD FOR A CAB-MOUNTED MUFFLER ASSEMBLY
- Publication number 20220178298
- Publication date Jun 9, 2022
- Transportation IP Holdings, LLC
- Sandeep Kanzal Venkatesha
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EXHAUSTER ASSEMBLY FOR A VEHICLE
- Publication number 20220042430
- Publication date Feb 10, 2022
- Motus Integrated Technologies
- Michael James Camella
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SOUND ATTENUATING ENGINE EXHAUST SYSTEM
- Publication number 20210231035
- Publication date Jul 29, 2021
- K&N Engineering, Inc.
- Steve E. Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MUFFLER SYSTEM
- Publication number 20210231036
- Publication date Jul 29, 2021
- FUTABA INDUSTRIAL CO., LTD.
- Masahiro Kajikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Sound Suppressor
- Publication number 20210123364
- Publication date Apr 29, 2021
- Cameron M. Baxter
- F41 - WEAPONS
Information Patent Application
AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL
- Publication number 20210087957
- Publication date Mar 25, 2021
- Trustees of Boston University
- Xin Zhang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust Sound Bypass
- Publication number 20210062696
- Publication date Mar 4, 2021
- MCLAREN AUTOMOTIVE LIMITED
- Giuseppe Iossa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EXHAUST SYSTEM AND MUFFLER
- Publication number 20200400060
- Publication date Dec 24, 2020
- Tenneco Automotive Operating Company Inc.
- Ankit Barot
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST SOUND ATTENUATION DEVICE
- Publication number 20200386132
- Publication date Dec 10, 2020
- Caterpillar Inc.
- Andrew Greif
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SOUND GENERATING DEVICE, VEHICLE EXHAUST SYSTEM AND METHOD OF MANUF...
- Publication number 20200355101
- Publication date Nov 12, 2020
- Faurecia Emissions Control Technologies, Germany GmbH
- Hannes Steinkilberg
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD OF SELECTING AN OPERATING MODE OF AN ACTIVE SOUND GENERATING...
- Publication number 20200300136
- Publication date Sep 24, 2020
- Dennis BREUER
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR EQUALIZING BACKPRESSURE IN ENGINE CYLINDERS
- Publication number 20200300150
- Publication date Sep 24, 2020
- Cummins Inc.
- Daniel J. Mohr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE...
- Publication number 20200291837
- Publication date Sep 17, 2020
- Faurecia Emissions Control Technologies, Germany GmbH
- Lin Strobio Chen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
LOUDSPEAKER ARRANGEMENT
- Publication number 20200279547
- Publication date Sep 3, 2020
- Harman Becker Automotive Systems GmbH
- Markus Christoph
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRONE ELIMINATION MUFFLER
- Publication number 20200123946
- Publication date Apr 23, 2020
- K&N Engineering, Inc.
- Steve Williams
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ANTI-RESONANCE MUFFLER
- Publication number 20200018204
- Publication date Jan 16, 2020
- Eric Brockway
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SOUND GENERATING SYSTEM, MOTOR VEHICLE WITH A SOUND GENERATING SYST...
- Publication number 20190301320
- Publication date Oct 3, 2019
- Faurecia Emissions Control Technologies, Germany GmbH
- Hannes STEINKILBERG
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEH...
- Publication number 20190301321
- Publication date Oct 3, 2019
- Faurecia Emissions Control Technologies, Germany GmbH
- Benjamin BINDER
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
NOISE REDUCTION DEVICE, MOBILE BODY DEVICE, AND NOISE REDUCTION METHOD
- Publication number 20190259371
- Publication date Aug 22, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- SHOTARO UENO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MOTOR VEHICLE HAVING A CONTROL APPARATUS FOR AT LEAST ONE LOUDSPEAK...
- Publication number 20190162090
- Publication date May 30, 2019
- Audi AG
- Markus RÜEGG
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SOUND GENERATING DEVICE AS WELL AS VEHICLE EXHAUST SYSTEM
- Publication number 20190158952
- Publication date May 23, 2019
- Faurecia Emissions Control Technologies, Germany GmbH
- Hannes Steinkilberg
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ACTIVE NOISE CANCELATION SYSTEMS AND DEVICES
- Publication number 20190136729
- Publication date May 9, 2019
- GENERAL ELECTRIC COMPANY
- Quoc Hoai Nguyen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20190078476
- Publication date Mar 14, 2019
- Honda Motor Co., Ltd.
- Keisuke KISHIKAWA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

by using interference effect

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for a cab-mounted muffler assembly

Sound attenuating engine exhaust system

Exhaust sound bypass

Air-transparent selective sound silencer using ultra-open metamaterial

Systems and methods for equalizing backpressure in engine cylinders

Sound suppressor

Exhauster assembly for a vehicle

Drone elimination muffler

Noise abatement system for internal combustion engines

Exhaust sound attenuation device

Exhaust system and muffler

Systems and methods for equalizing backpressure in engine cylinders

Exhaust device for internal combustion engine

Exhaust device for internal combustion engine

Combined exhaust gas silencer

Road vehicle with an internal combustion engine and provided with a...

Loudspeaker arrangement

Air-transparent selective sound silencer using ultra-open metamaterial

Motor vehicle having a control apparatus for at least one loudspeak...

Compressor diffuser with diffuser pipes varying in natural vibratio...

Exhaust system sound generation assembly unit

Exhaust device for internal combustion engine

Selective noise cancellation for a vehicle

Exhaust system for an internal combustion automotive engine

Exhaust sound generating apparatus of vehicle

Exhaust-gas system

Systems and methods for equalizing backpressure in engine cylinders

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

Drone elimination muffler

Active noise cancelation systems and devices

Patents Applicationslast 30 patents

SOUND ATTENUATING ENGINE EXHAUST SYSTEM

AIR AMPLIFIER WITH NOISE SUPPRESSION

AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL

DRONE ELIMINATION MUFFLER

SOUND PRESSURE GENERATOR

Noise abatement system for internal combustion engines

SYSTEMS AND METHODS FOR EQUALIZING BACKPRESSURE IN ENGINE CYLINDERS

SYSTEM AND METHOD FOR A CAB-MOUNTED MUFFLER ASSEMBLY

EXHAUSTER ASSEMBLY FOR A VEHICLE

SOUND ATTENUATING ENGINE EXHAUST SYSTEM

MUFFLER SYSTEM

Sound Suppressor

AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL

Exhaust Sound Bypass

EXHAUST SYSTEM AND MUFFLER

EXHAUST SOUND ATTENUATION DEVICE

SOUND GENERATING DEVICE, VEHICLE EXHAUST SYSTEM AND METHOD OF MANUF...

METHOD OF SELECTING AN OPERATING MODE OF AN ACTIVE SOUND GENERATING...

SYSTEMS AND METHODS FOR EQUALIZING BACKPRESSURE IN ENGINE CYLINDERS

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

LOUDSPEAKER ARRANGEMENT

DRONE ELIMINATION MUFFLER

ANTI-RESONANCE MUFFLER

SOUND GENERATING SYSTEM, MOTOR VEHICLE WITH A SOUND GENERATING SYST...

EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEH...

NOISE REDUCTION DEVICE, MOBILE BODY DEVICE, AND NOISE REDUCTION METHOD

MOTOR VEHICLE HAVING A CONTROL APPARATUS FOR AT LEAST ONE LOUDSPEAK...

SOUND GENERATING DEVICE AS WELL AS VEHICLE EXHAUST SYSTEM

ACTIVE NOISE CANCELATION SYSTEMS AND DEVICES

EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE