Plurality of resonance or dead chambers

Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler

    • Patent number 12,091,998
    • Issue date Sep 17, 2024
    • Purem GmbH
    • Martin Strähle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Muffler with metallic meshed rings

    • Patent number 12,050,032
    • Issue date Jul 30, 2024
    • Carrier Corporation
    • Anthony S. Molavi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust system noise reduction device of vehicle

    • Patent number 11,846,216
    • Issue date Dec 19, 2023
    • Hyundai Motor Company
    • Hyeon Gyun Ahn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Noise attenuation components

    • Patent number 11,808,187
    • Issue date Nov 7, 2023
    • Caterpillar Inc.
    • Dustin Irvin Landwehr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler with metallic meshed rings

    • Patent number 11,808,490
    • Issue date Nov 7, 2023
    • Carrier Corporation
    • Anthony S. Molavi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust system tuner tube to reduce standing wave

    • Patent number 11,802,499
    • Issue date Oct 31, 2023
    • Tenneco Automotive Operating Company Inc.
    • Boyd Boehlke
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler, compressor assembly, and refrigerator

    • Patent number 11,732,623
    • Issue date Aug 22, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Panpan Heng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Acoustically tuned muffler

    • Patent number 11,702,969
    • Issue date Jul 18, 2023
    • Tenneco Automotive Operating Company Inc.
    • Keith Bartu
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust muffler for an exhaust system of an internal combustion engine

    • Patent number 11,643,953
    • Issue date May 9, 2023
    • Purem GmbH
    • Nicolas Mettenleiter
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Muffler with internally supported tuner

    • Patent number 11,421,568
    • Issue date Aug 23, 2022
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler

    • Patent number 11,421,569
    • Issue date Aug 23, 2022
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for forming a collar in a muffler housing

    • Patent number 11,415,031
    • Issue date Aug 16, 2022
    • Bosal Emission Control Systems N.V.
    • Paul Vanleene
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Acoustically tuned muffler

    • Patent number 11,365,658
    • Issue date Jun 21, 2022
    • Tenneco Automotive Operating Company Inc.
    • Gabriel Ostromecki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust unit

    • Patent number 11,346,262
    • Issue date May 31, 2022
    • Futaba Industrial Co., Ltd.
    • Hirohisa Okami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler comprising a Helmholtz resonator and a vehicle comprising s...

    • Patent number 11,255,238
    • Issue date Feb 22, 2022
    • Volvo Car Corporation
    • Fredrik Rönnmark
    • 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

    Multi-chambered sound attenuation with resonant frequency targeting

    • Patent number 11,236,653
    • Issue date Feb 1, 2022
    • Caterpillar Inc.
    • Subhro Samarendra Nathak
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust silencer device

    • Patent number 11,220,949
    • Issue date Jan 11, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Taiki Teramoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustically tuned muffler

    • Patent number 11,199,116
    • Issue date Dec 14, 2021
    • Tenneco Automotive Operating Company Inc.
    • Gabriel Ostromecki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas aftertreatment device

    • Patent number 11,174,775
    • Issue date Nov 16, 2021
    • Vitesco Technologies GmbH
    • Peter Hirth
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump silencer

    • Patent number 11,060,523
    • Issue date Jul 13, 2021
    • Airtech Group, Inc.
    • Vincent Imbornone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Muffler for an internal combustion engine

    • Patent number 11,002,165
    • Issue date May 11, 2021
    • Bombardier Recreational Products Inc.
    • Etienne Poulin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vehicle exhaust device

    • Patent number 10,907,525
    • Issue date Feb 2, 2021
    • Suzuki Motor Corporation
    • Takayoshi Muramatsu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust system having tunable exhaust sound

    • Patent number 10,837,333
    • Issue date Nov 17, 2020
    • Ford Global Technologies, LLC
    • Hani Ayesh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Acoustic attenuator for damping pressure vibrations in an exhaust s...

    • Patent number 10,781,732
    • Issue date Sep 22, 2020
    • Wartsila Finland Oy
    • Esa Nousiainen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

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

    MUFFLER FOR GENERATING A SPORTY AND RHYTHMIC SOUND AND A VEHICLE EQ...

    • Publication number 20240102408
    • Publication date Mar 28, 2024
    • Hyundai Motor Company
    • Kun Peng Jiang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    META-MUFFLER FOR REDUCING BROADBAND NOISE

    • Publication number 20230184147
    • Publication date Jun 15, 2023
    • Center for Advanced Meta-Materials
    • Byung Hun AN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM TUNER TUBE TO REDUCE STANDING WAVE

    • Publication number 20230160325
    • Publication date May 25, 2023
    • Tenneco Automotive Operating Company Inc.
    • Boyd Boehlke
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUFFLER

    • Publication number 20230024144
    • Publication date Jan 26, 2023
    • Purem GmbH
    • Martin Strähle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST COMPONENT WITH FLEXIBLE MEMBRANE

    • Publication number 20220341352
    • Publication date Oct 27, 2022
    • Faurecia Emissions Control Technologies, USA, LLC
    • James Egan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Acoustically Tuned Muffler

    • Publication number 20220275738
    • Publication date Sep 1, 2022
    • Tenneco Automotive Operating Company Inc.
    • Keith BARTU
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    NOISE ATTENUATION COMPONENTS

    • Publication number 20220275737
    • Publication date Sep 1, 2022
    • Caterpillar Inc.
    • Dustin Irvin Landwehr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM NOISE REDUCTION DEVICE OF VEHICLE

    • Publication number 20210355850
    • Publication date Nov 18, 2021
    • Hyundai Motor Company
    • Hyeon Gyun Ahn
    • 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 With Internally Supported Tuner

    • Publication number 20210207507
    • Publication date Jul 8, 2021
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi MADI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER

    • Publication number 20210115822
    • Publication date Apr 22, 2021
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS AFTERTREATMENT DEVICE

    • Publication number 20200408130
    • Publication date Dec 31, 2020
    • Vitesco Technologies GMBH
    • Peter HIRTH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    EXHAUST MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

    • Publication number 20200347761
    • Publication date Nov 5, 2020
    • Eberspächer Exhaust Technology GmbH
    • Nicolas METTENLEITER
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTI-CHAMBERED SOUND ATTENUATION WITH RESONANT FREQUENCY TARGETING

    • Publication number 20200240299
    • Publication date Jul 30, 2020
    • Caterpillar Inc.
    • Subhro Samarendra Nathak
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER FOR AN INTERNAL COMBUSTION ENGINE

    • Publication number 20200102865
    • Publication date Apr 2, 2020
    • Bombardier Recreational Products Inc.
    • Etienne POULIN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SILENCER FOR AN EXHAUST GAS SYSTEM OF A MOTOR VEHICLE AND MOTOR VEH...

    • Publication number 20200088077
    • Publication date Mar 19, 2020
    • Faurecia Emissions Control Technologies, Germany GmbH
    • Boris Kienle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HELMHOLTZ MUFFLER FOR VEHICLE

    • Publication number 20200018203
    • Publication date Jan 16, 2020
    • Hyundai Motor Company
    • Hyun Woo YOON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler Assembly Including A Center Muffler And Two Satellite Mufflers

    • Publication number 20190337377
    • Publication date Nov 7, 2019
    • Tenneco Automotive Operating Company Inc.
    • Brett HERWAT
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MUFFLER COMPRISING A HELMHOLTZ RESONATOR AND A VEHICLE COMPRISING S...

    • Publication number 20190323396
    • Publication date Oct 24, 2019
    • Volvo Car Corporation
    • Fredrik RÖNNMARK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM HAVING TUNABLE EXHAUST SOUND

    • Publication number 20190203619
    • Publication date Jul 4, 2019
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Hani Ayesh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Acoustically Tuned Muffler

    • Publication number 20190178124
    • Publication date Jun 13, 2019
    • Tenneco Automotive Operating Company Inc.
    • Gabriel OSTROMECKI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VEHICLE EXHAUST DEVICE

    • Publication number 20190136739
    • Publication date May 9, 2019
    • SUZUKI MOTOR CORPORATION
    • Takayoshi MURAMATSU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SILENCER DEVICE

    • Publication number 20190136740
    • Publication date May 9, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Taiki TERAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE

    • Publication number 20190085744
    • Publication date Mar 21, 2019
    • Honda Motor Co., Ltd.
    • Keisuke KISHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AN ACOUSTIC ATTENUATOR FOR DAMPING PRESSURE VIBRATIONS IN AN EXHAUS...

    • Publication number 20180149052
    • Publication date May 31, 2018
    • WARTSILA FINLAND OY
    • Esa NOUSIAINEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ACOUSTIC DEVICE

    • Publication number 20170241310
    • Publication date Aug 24, 2017
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHAUST GAS MUFFLER

    • Publication number 20170074133
    • Publication date Mar 16, 2017
    • TENNECO GMBH
    • Frank REICHELT
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MOUNTING STRUCTURE OF VARIABLE VALVE FOR DUAL EXHAUST SYSTEM

    • Publication number 20160273424
    • Publication date Sep 22, 2016
    • Hyundai Motor Company
    • Hak-Son HAN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES