by reducing exhaust energy by throttling or whirling

Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible silencer

    • Patent number 12,359,594
    • Issue date Jul 15, 2025
    • Discovery Energy, LLC
    • Joshua Ziebert
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air-transparent selective sound silencer using ultra-open metamaterial

    • Patent number 12,352,190
    • Issue date Jul 8, 2025
    • Trustees of Boston University
    • Xin Zhang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Inlet assembly for aftertreatment system

    • Patent number 12,352,199
    • Issue date Jul 8, 2025
    • Caterpillar Inc.
    • Sharad Mukati
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust sound attenuation and control system

    • Patent number 12,305,546
    • Issue date May 20, 2025
    • Gregory M. Marocco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sound attenuator as well as elements and a method of production the...

    • Patent number 12,305,547
    • Issue date May 20, 2025
    • Teknologian tutkimuskeskus VTT Oy
    • Erin Komi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler

    • Patent number 12,263,954
    • Issue date Apr 1, 2025
    • Orbital Australia Pty Ltd
    • John Howard Tubb
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Connecting structure, exhaust silencer, silencer, and compressor

    • Patent number 12,221,955
    • Issue date Feb 11, 2025
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Binbin Hu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust gas assembly

    • Patent number 12,116,913
    • Issue date Oct 15, 2024
    • The University of Adelaide
    • Benjamin Cazzolato
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust assemblies and vehicles including an exhaust assembly

    • Patent number 12,071,880
    • Issue date Aug 27, 2024
    • PACCAR Inc.
    • Bruce Bezner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine assembly for a vehicle having a hydrocarbon trap

    • Patent number 12,071,887
    • Issue date Aug 27, 2024
    • BRP-Rotax GmbH & Co. KG
    • Ralf Rokita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for unblocking pores in a selective catalytic reduction cata...

    • Patent number 12,064,756
    • Issue date Aug 20, 2024
    • Volvo Truck Corporation
    • Eduard Emil Iojoiu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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 handling systems for marine vessels and related methods

    • Patent number 12,043,361
    • Issue date Jul 23, 2024
    • Marathon Petroleum Company LP
    • Stephen Daniel Ernst
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust pipe coupling

    • Patent number 11,987,336
    • Issue date May 21, 2024
    • Robert John Sharp
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sound attenuator apparatus and method

    • Patent number 11,988,123
    • Issue date May 21, 2024
    • Phillip M. Adams
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Water drop muffler for diesel powered marine generator

    • Patent number 11,952,927
    • Issue date Apr 9, 2024
    • Woodrow Woods
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Work vehicle

    • Patent number 11,946,402
    • Issue date Apr 2, 2024
    • Kubota Corporation
    • Masaru Shinya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Constant velocity muffler assembly

    • Patent number 11,898,474
    • Issue date Feb 13, 2024
    • John Ulishney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler

    • Patent number 11,859,523
    • Issue date Jan 2, 2024
    • Honeywell International Inc.
    • Morris G. Anderson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Component of an exhaust system and method for manufacturing such a...

    • Patent number 11,814,994
    • Issue date Nov 14, 2023
    • Faurecia Emissions Control Technologies, Germany GmbH
    • Marco Baur
    • 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

    Vehicle exhaust system with silencer having exhaust jet deflector

    • Patent number 11,788,448
    • Issue date Oct 17, 2023
    • Ford Global Technologies, LLC
    • Luis Felipe Blas Martinez
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Silencer

    • Patent number 11,763,789
    • Issue date Sep 19, 2023
    • NINGBO GNS AUTO PARTS CO., LTD.
    • Qiang Gao
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust apparatus

    • Patent number 11,753,973
    • Issue date Sep 12, 2023
    • Suzuki Motor Corporation
    • Kohei Yamashita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust restriction device for improved sensor signal

    • Patent number 11,746,685
    • Issue date Sep 5, 2023
    • Ford Global Technologies, LLC
    • Rani Kiwan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler

    • Patent number 11,746,681
    • Issue date Sep 5, 2023
    • R&R Holding & Leasing
    • Rafael Vargas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Insert assembly unit for a muffler of an exhaust system of an inter...

    • Patent number 11,725,554
    • Issue date Aug 15, 2023
    • Purem GmbH
    • Michael Marquardt-Stammberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    MIXER FOR EXHAUST AFTERTREATMENT SYSTEM

    • Publication number 20250237160
    • Publication date Jul 24, 2025
    • Cummins Emission Solutions Inc.
    • Z. Gerald Liu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER

    • Publication number 20250116216
    • Publication date Apr 10, 2025
    • Purem GmbH
    • Carsten Bäumchen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER AND OUTLET STUB FOR A MUFFLER

    • Publication number 20250012208
    • Publication date Jan 9, 2025
    • Andreas Stihl AG & Co KG
    • Mario Kuschewski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS ASSEMBLY

    • Publication number 20250003359
    • Publication date Jan 2, 2025
    • The University of Adelaide
    • Benjamin CAZZOLATO
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUFFLER FOR INTERNAL COMBUSTION ENGINES

    • Publication number 20240384673
    • Publication date Nov 21, 2024
    • Piaggio & C.S.P.A.
    • Adriano MAGHERINI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SOUND ATTENUATION AND CONTROL SYSTEM

    • Publication number 20240352881
    • Publication date Oct 24, 2024
    • GREGORY M. MAROCCO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS

    • Publication number 20240286726
    • Publication date Aug 29, 2024
    • MARATHON PETROLEUM COMPANY LP
    • Stephen Daniel Ernst
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    SOUND-ABSORBING SILENCER HAVING DIFFUSE REFLECTION STRUCTURE

    • Publication number 20240183294
    • Publication date Jun 6, 2024
    • Nam Do BAEK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER STRUCTURE

    • Publication number 20240167404
    • Publication date May 23, 2024
    • Honda Motor Co., Ltd.
    • Fumiaki MURAKAMI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    ENGINE ASSEMBLY FOR A VEHICLE HAVING A HYDROCARBON TRAP

    • Publication number 20240044274
    • Publication date Feb 8, 2024
    • BRP- Rotax GmbH & Co. KG
    • Ralf ROKITA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler

    • Publication number 20230399963
    • Publication date Dec 14, 2023
    • Purem GmbH
    • Martin Wagmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    NOISE REDUCTION SYSTEMS FOR AEROSOL COLLECTORS

    • Publication number 20230358153
    • Publication date Nov 9, 2023
    • INNOVAPREP LLC
    • Steven D. Graham
    • 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

    WORK VEHICLE

    • Publication number 20230184148
    • Publication date Jun 15, 2023
    • KUBOTA CORPORATION
    • Masaru Shinya
    • 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

    METHOD FOR UNBLOCKING PORES IN A SELECTIVE CATALYTIC REDUCTION CATA...

    • Publication number 20220401944
    • Publication date Dec 22, 2022
    • VOLVO TRUCK CORPORATION
    • Eduard Emil IOJOIU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER VALVE AND MUFFLER

    • Publication number 20220389849
    • Publication date Dec 8, 2022
    • SANKEI GIKEN KOGYO CO., LTD.
    • Naoya Kubota
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST APPARATUS

    • Publication number 20220372900
    • Publication date Nov 24, 2022
    • SUZUKI MOTOR CORPORATION
    • Kohei YAMASHITA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust Pipe Coupling

    • Publication number 20220371716
    • Publication date Nov 24, 2022
    • ROBERT JOHN SHARP
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER FOR STRATIFIED SCAVENGING ENGINE

    • Publication number 20220333520
    • Publication date Oct 20, 2022
    • Yamabiko Corporation
    • Kenta TORAMI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VEHICLE EXHAUST SYSTEM WITH SILENCER HAVING EXHAUST JET DEFLECTOR

    • Publication number 20220307399
    • Publication date Sep 29, 2022
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Luis Felipe BLAS MARTINEZ
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • 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

    MUFFLER

    • Publication number 20220274714
    • Publication date Sep 1, 2022
    • Orbital Australia Pty Ltd
    • John Howard TUBB
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • 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

    EXHAUST PIPE

    • Publication number 20220186642
    • Publication date Jun 16, 2022
    • FUTABA INDUSTRIAL CO., LTD.
    • Shunsuke Sameshima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    IMPROVED MUFFLER

    • Publication number 20220154609
    • Publication date May 19, 2022
    • R&R Holding & Leasing
    • Rafael Vargas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    METHOD AND SYSTEM TO SELECTIVELY RECOVER WATER VAPOR AND LATENT HEA...

    • Publication number 20220127983
    • Publication date Apr 28, 2022
    • GAS TECHNOLOGY INSTITUTE
    • Dexin Wang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    A sound attenuator as well as elements and a method of production t...

    • Publication number 20220099006
    • Publication date Mar 31, 2022
    • Teknologian Tutkimuskeskus VTT Oy
    • Erin Komi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PANEL ASSEMBLY AND AFTERTREATMENT ASSEMBLY INCLUDING PANEL ASSEMBLIES

    • Publication number 20220065145
    • Publication date Mar 3, 2022
    • Caterpillar Inc.
    • Samuel S. Kumar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES