having means to impart whirling motion to the gases

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • 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

    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

    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

    RAMJET GENERATOR FOR INTAKE/EXHAUST PIPE

    • Publication number 20190128158
    • Publication date May 2, 2019
    • Dong Kyu LEE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VORTEX FLOW APPARATUS

    • Publication number 20180066563
    • Publication date Mar 8, 2018
    • VTX TECHNOLOGY LLC
    • David H. HILL
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Tailor to Fit Muffler

    • Publication number 20150053501
    • Publication date Feb 26, 2015
    • Tenneco Automotive Operating Company Inc.
    • Richard T. Carr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM HAVING A FLOW ROTATION ELEMENT AND METHOD FOR OPERAT...

    • Publication number 20140338308
    • Publication date Nov 20, 2014
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Mohammad Ali Moetakef
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS HEAT EXCHANGER

    • Publication number 20140238006
    • Publication date Aug 28, 2014
    • CALSONIC KANSEI CORPORATION
    • Mitsuru Iwasaki
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Low Pressure Drop, Hight Efficiency Spark or Particulate Arresting...

    • Publication number 20140102300
    • Publication date Apr 17, 2014
    • UNIVERSAL ACOUSTIC & EMISSION TECHNOLOGIES
    • Elden F. Ray
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MUFFLER AND ENGINE SYSTEM

    • Publication number 20130277145
    • Publication date Oct 24, 2013
    • Jason J. Raasch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler for Internal Combustion Engine

    • Publication number 20120305330
    • Publication date Dec 6, 2012
    • FUTABA INDUSTRIAL CO., LTD.
    • Katsuhiko Kainuma
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST FILTER

    • Publication number 20120103719
    • Publication date May 3, 2012
    • VORTEX PERFORMANCE LIMITED
    • Barry Mead
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    METHOD AND SYSTEM FOR HOMOGENIZING EXHAUST FROM AN ENGINE

    • Publication number 20120042641
    • Publication date Feb 23, 2012
    • James M. Crane
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER AND ENGINE SYSTEM

    • Publication number 20110308236
    • Publication date Dec 22, 2011
    • Briggs & Stratton Corporation
    • Jason J. Raasch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE, AND SW...

    • Publication number 20110185710
    • Publication date Aug 4, 2011
    • TOKYO ROKI CO. LTD
    • Masaki Shimizu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Venturi muffler

    • Publication number 20090308686
    • Publication date Dec 17, 2009
    • John T. Sullivan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust system for a motorcycle, and motorcycle incorporating same

    • Publication number 20090114477
    • Publication date May 7, 2009
    • Honda Motor Co., Ltd.
    • Tomoki Nishijima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sound Dampening Flow Channel Device

    • Publication number 20090050404
    • Publication date Feb 26, 2009
    • Ralf Corin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Noise Eliminator for Fuel Cell

    • Publication number 20090045006
    • Publication date Feb 19, 2009
    • Toshiyuki Kondo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST FLOW DISTRIBUTION DEVICE

    • Publication number 20090031717
    • Publication date Feb 5, 2009
    • Donaldson Company, Inc.
    • Jared D. Blaisdell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Combination Silencer

    • Publication number 20080023265
    • Publication date Jan 31, 2008
    • Silentor Holding A/S
    • Svend Frederiksen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Silencer containing one or more porous bodies

    • Publication number 20060260867
    • Publication date Nov 23, 2006
    • Silentor Holding A/S
    • Svend Frederiksen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust flow distribution device

    • Publication number 20060070375
    • Publication date Apr 6, 2006
    • Jared D. Blaisdell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Detatchable muffler apparatus for pneumatic tools

    • Publication number 20050269152
    • Publication date Dec 8, 2005
    • Orlando Sellers
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Automobile muffler

    • Publication number 20050205353
    • Publication date Sep 22, 2005
    • Hui-Fang Chen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER FOR INTERNAL COMBUSTION ENGINE

    • Publication number 20050133301
    • Publication date Jun 23, 2005
    • Jones Exhaust Systems, Inc.
    • David A. Butterfield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Noise attenuating device for a heating-ventilation-cooling system o...

    • Publication number 20050076668
    • Publication date Apr 14, 2005
    • Michael Choi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Exhaust gas muffler

    • Publication number 20050029039
    • Publication date Feb 10, 2005
    • Andreas Stihl AG & Co., KG
    • Georg Maier
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Tuned exhaust system for small engines

    • Publication number 20050023078
    • Publication date Feb 3, 2005
    • David R. Brower
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Manufacturing method of a muffler assembly

    • Publication number 20040163253
    • Publication date Aug 26, 2004
    • I-Long Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR