using tangential inlets into a circular chamber

Patents Grantslast 30 patents

  • 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

    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

    Cyclonic thermal diffuser and method

    • Patent number 10,001,048
    • Issue date Jun 19, 2018
    • PACCAR Inc.
    • Jeffrey P. Smith
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vortex flow apparatus

    • Patent number 9,803,667
    • Issue date Oct 31, 2017
    • VTX TECHNOLOGY LLC
    • John L. Brock
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Doser and mixer for a vehicle exhaust system

    • Patent number 9,266,075
    • Issue date Feb 23, 2016
    • Faurecia Emissions Control Technologies USA, LLC
    • Chris Chapman
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Spin muffler

    • Patent number 8,104,572
    • Issue date Jan 31, 2012
    • Boyd L. Butler
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reduced noise valve stack connection

    • Patent number 6,968,923
    • Issue date Nov 29, 2005
    • Control Components, Inc.
    • Dale E. Schmaeman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tuned exhaust system for small engines

    • Patent number 6,959,782
    • Issue date Nov 1, 2005
    • Tecumseh Products Company
    • David R. Brower
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High performance muffler

    • Patent number 6,892,853
    • Issue date May 17, 2005
    • Agency for Science Technology and Research
    • Chao Cai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust manifold for improvement of purification efficiency and lif...

    • Patent number 6,840,039
    • Issue date Jan 11, 2005
    • Hyndai Motor Company
    • Jong-Hoe Huh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler/exhaust extractor and method

    • Patent number 5,962,822
    • Issue date Oct 5, 1999
    • Daniel A. May
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustic muffler

    • Patent number 5,824,972
    • Issue date Oct 20, 1998
    • Boyd L. Butler
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3750841

    • Patent number 3,750,841
    • Issue date Aug 7, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3530953

    • Patent number 3,530,953
    • Issue date Sep 29, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3494445

    • Patent number 3,494,445
    • Issue date Feb 10, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3400784

    • Patent number 3,400,784
    • Issue date Sep 10, 1968
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3340958

    • Patent number 3,340,958
    • Issue date Sep 12, 1967
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3243011

    • Patent number 3,243,011
    • Issue date Mar 29, 1966
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3166152

    • Patent number 3,166,152
    • Issue date Jan 19, 1965
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3074506

    • Patent number 3,074,506
    • Issue date Jan 22, 1963
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2942684

    • Patent number 2,942,684
    • Issue date Jun 28, 1960
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2655220

    • Patent number 2,655,220
    • Issue date Oct 13, 1953
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2476470

    • Patent number 2,476,470
    • Issue date Jul 19, 1949
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2468384

    • Patent number 2,468,384
    • Issue date Apr 26, 1949
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2448420

    • Patent number 2,448,420
    • Issue date Aug 31, 1948
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2387476

    • Patent number 2,387,476
    • Issue date Oct 23, 1945
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2270907

    • Patent number 2,270,907
    • Issue date Jan 27, 1942
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2139736

    • Patent number 2,139,736
    • Issue date Dec 13, 1938
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2125712

    • Patent number 2,125,712
    • Issue date Aug 2, 1938
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2057304

    • Patent number 2,057,304
    • Issue date Oct 13, 1936
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents