Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it

Patents Grantslast 30 patents

  • Information Patent Grant

    Space-saving broadband resonator having a resonator insert

    • Patent number 11,912,210
    • Issue date Feb 27, 2024
    • MANN+HUMMEL GMBH
    • Timothy Molascon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Muffler for engine

    • Patent number 11,655,741
    • Issue date May 23, 2023
    • Marelli Corporation
    • Tsukasa Minato
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Vehicle exhaust system

    • Patent number 11,639,676
    • Issue date May 2, 2023
    • Tenneco Automotive Operating Company Inc.
    • Michael A Golin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust muffler

    • Patent number 11,566,547
    • Issue date Jan 31, 2023
    • Honda Motor Co., Ltd.
    • Junya Sato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustic damper for gas turbine combustors with orthogonal slots

    • Patent number 11,536,174
    • Issue date Dec 27, 2022
    • President and Fellows of Harvard College
    • Katia Bertoldi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-mode exhaust muffler

    • Patent number 11,492,937
    • Issue date Nov 8, 2022
    • Ford Global Technologies, LLC
    • Omar Yuren Mendoza Bravo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustic absorber for fan noise reduction

    • Patent number 11,459,921
    • Issue date Oct 4, 2022
    • Toyota Motor Engineering & Manufacturing North America, Inc.
    • Taehwa Lee
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Tuning a sound profile of a muffler

    • Patent number 11,441,456
    • Issue date Sep 13, 2022
    • Toyota Motor North America, Inc.
    • Stephen E. Freeman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Two-stroke engine exhaust resonator with exhaust gas catalytic conv...

    • Patent number 11,441,457
    • Issue date Sep 13, 2022
    • Martin Sula
    • 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

    Muffler device

    • Patent number 11,377,991
    • Issue date Jul 5, 2022
    • Honda Motor Co., Ltd.
    • Hiroko Murakami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler unit

    • Patent number 11,346,270
    • Issue date May 31, 2022
    • Honda Motor Co., Ltd.
    • Katsuki Miura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Exhaust device with noise suppression system

    • Patent number 11,319,847
    • Issue date May 3, 2022
    • Tenneco Automotive Operating Company Inc.
    • Garrick R. Zuver
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler structure of saddle-type vehicle

    • Patent number 11,293,316
    • Issue date Apr 5, 2022
    • Suzuki Motor Corporation
    • Takayoshi Muramatsu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler structure

    • Patent number 11,280,235
    • Issue date Mar 22, 2022
    • Guang Rong Enterprise Co., Ltd.
    • Hao-Yao Chang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler

    • Patent number 11,261,768
    • Issue date Mar 1, 2022
    • Futaba Industrial Co., Ltd.
    • Hayato Tawada
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • 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

    Tunable resonator

    • Patent number 11,092,078
    • Issue date Aug 17, 2021
    • Pratt & Whitney Canada Corp.
    • Ninad Joshi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Silencer and vehicle engine including same

    • Patent number 10,907,517
    • Issue date Feb 2, 2021
    • MANN+HUMMEL GMBH
    • Yun Qi
    • 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

    Inverter generator

    • Patent number 10,851,707
    • Issue date Dec 1, 2020
    • Briggs & Stratton, LLC
    • Mike Derra
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus to accommodate sensors on an exhaust component

    • Patent number 10,823,036
    • Issue date Nov 3, 2020
    • Faurecia Emissions Control Technologies, USA, LLC
    • James Egan
    • 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
  • Information Patent Grant

    Conduit connection assembly

    • Patent number 10,677,385
    • Issue date Jun 9, 2020
    • Volvo Truck Corporation
    • Peter Andersson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Slotted snap-action valve assembly for exhaust system

    • Patent number 10,598,059
    • Issue date Mar 24, 2020
    • Tenneco Automotive Operating Company Inc.
    • Larry J. Geer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Muffler for an exhaust system of an internal combustion engine, esp...

    • Patent number 10,465,587
    • Issue date Nov 5, 2019
    • Eberspächer Exhaust Technology GmbH & Co. KG
    • Jan Krüger
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Damping device

    • Patent number 10,465,832
    • Issue date Nov 5, 2019
    • Hydac Technology GmbH
    • Herbert Baltes
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Alignment system for slotted snap-action valve assembly for exhaust...

    • Patent number 10,436,088
    • Issue date Oct 8, 2019
    • Tenneco Automotive Operating Company Inc.
    • Stephen M. Thomas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    EXHAUST LINE FOR A VEHICLE AND VEHICLE WITH AN EXHAUST LINE

    • Publication number 20210301694
    • Publication date Sep 30, 2021
    • Faurecia Emissions Control Technologies, Germany GmbH
    • Catalin FAINA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Tunable Exhaust System

    • Publication number 20210222594
    • Publication date Jul 22, 2021
    • Advanced FLOW Engineering Inc.
    • Shahriar Nick Niakan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER DEVICE

    • Publication number 20210199034
    • Publication date Jul 1, 2021
    • Honda Motor Co., Ltd.
    • Hiroko Murakami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler for Engine

    • Publication number 20210199035
    • Publication date Jul 1, 2021
    • Marelli Corporation
    • Tsukasa Minato
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTI-MODE EXHAUST MUFFLER

    • Publication number 20210148262
    • Publication date May 20, 2021
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Omar Yuren Mendoza Bravo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Two-Stroke Engine Exhaust Resonator With Exhaust Gas Catalytic Conv...

    • Publication number 20210115823
    • Publication date Apr 22, 2021
    • Martin Sula
    • 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

    Customized Muffler

    • Publication number 20210025300
    • Publication date Jan 28, 2021
    • Vahak Minassian
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TUNING A SOUND PROFILE OF A MUFFLER

    • Publication number 20210003054
    • Publication date Jan 7, 2021
    • Toyota Motor North America, Inc.
    • Stephen E. Freeman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VEHICLE EXHAUST SYSTEM

    • Publication number 20200392880
    • Publication date Dec 17, 2020
    • Tenneco Automotive Operating Company Inc.
    • Michael A. Golin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ACOUSTIC DAMPER FOR GAS TURBINE COMBUSTORS WITH ORTHOGONAL SLOTS

    • Publication number 20200232357
    • Publication date Jul 23, 2020
    • President and Fellows of Harvard College
    • Katia Bertoldi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MUFFLER STRUCTURE OF SADDLE-TYPE VEHICLE

    • Publication number 20200123947
    • Publication date Apr 23, 2020
    • SUZUKI MOTOR CORPORATION
    • Takayoshi MURAMATSU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust Device With Noise Suppression System

    • Publication number 20200088078
    • Publication date Mar 19, 2020
    • Tenneco Automotive Operating Company Inc.
    • Garrick R. ZUVER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TUNABLE RESONATOR

    • Publication number 20190093565
    • Publication date Mar 28, 2019
    • Pratt & Whitney Canada Corp.
    • Ninad Joshi
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    INVERTER GENERATOR

    • Publication number 20190055884
    • Publication date Feb 21, 2019
    • BRIGGS & STRATTON CORPORATION
    • Mike DERRA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    SILENCER AND VEHICLE ENGINE INCLUDING SAME

    • Publication number 20180142588
    • Publication date May 24, 2018
    • Mann + Hummel GmbH
    • Yun QI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE, ESP...

    • Publication number 20170335741
    • Publication date Nov 23, 2017
    • Eberspacher Exhaust Technology GmbH & Co. KG
    • Jan KRÜGER
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    EXHAUST AFTER-TREATMENT ASSEMBLY FOR ENGINE SYSTEM

    • Publication number 20170276043
    • Publication date Sep 28, 2017
    • Caterpillar Inc.
    • Faiz M. I. Khan
    • 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

    SILENCER

    • Publication number 20160097315
    • Publication date Apr 7, 2016
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Kai BECKER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

    • Publication number 20160090884
    • Publication date Mar 31, 2016
    • BOSAL EMISSION CONTROL SYSTEMS N.V.
    • Sven DAS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Resonance Generating Muffler

    • Publication number 20150068834
    • Publication date Mar 12, 2015
    • Michael Wayne Barrett
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SILENCER AND METHOD FOR MANUFACTURING THE SAME

    • Publication number 20140196977
    • Publication date Jul 17, 2014
    • HENN GMBH & CO. KG
    • Harald HARTMANN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SILENCER AND METHOD FOR MANUFACTURING THE SAME

    • Publication number 20140196978
    • Publication date Jul 17, 2014
    • HENN GMBH & CO. KG
    • Harald HARTMANN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CHANNELING GAS FLOW TUBE

    • Publication number 20140158249
    • Publication date Jun 12, 2014
    • Thomas George Schlosser
    • F41 - WEAPONS
  • Information Patent Application

    EXHAUST MUFFLER

    • Publication number 20140151148
    • Publication date Jun 5, 2014
    • Caterpillar Inc.
    • Rajdeep Pradhan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SIMPLIFIED MODAL ATTENUATOR

    • Publication number 20140090922
    • Publication date Apr 3, 2014
    • FISHER CONTROLS INTERNATIONAL LLC
    • Allen C. Fagerlund
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUFFLER FOR AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

    • Publication number 20140048350
    • Publication date Feb 20, 2014
    • Scambia Holdings Cyprus Limited
    • Sven DAS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HORIZONTALLY INSTALLED MUFFLER HAVING SPORTY TONE

    • Publication number 20130213734
    • Publication date Aug 22, 2013
    • Hyundai Motor Company
    • Hyeongyun Ahn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES