TREA

David W. Boehm

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  • Summerland, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Energy storage and return spring
    • Patent number 8,707,582
    • Issue date Apr 29, 2014
    • James B. Klassen
    • A43 - FOOTWEAR
  • Information Patent Grant

    Energy transfer machine and method
    • Patent number 8,459,028
    • Issue date Jun 11, 2013
    • James B. Klassen
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Energy transfer machine with inner rotor
    • Patent number 8,011,345
    • Issue date Sep 6, 2011
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine
    • Patent number 7,954,470
    • Issue date Jun 7, 2011
    • Concept Solutions, Inc.
    • James Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine with inner rotor
    • Patent number 7,503,307
    • Issue date Mar 17, 2009
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine
    • Patent number 7,472,677
    • Issue date Jan 6, 2009
    • Concept Solutions, Inc.
    • James Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY STORAGE AND RETURN SPRING
    • Publication number 20150007456
    • Publication date Jan 8, 2015
    • POWERDISK DEVELOPMENT LTD
    • James B. Klassen
    • A43 - FOOTWEAR
  • Information Patent Application

    ENERGY TRANSFER MACHINE AND METHOD
    • Publication number 20090165461
    • Publication date Jul 2, 2009
    • JAMES B. KLASSEN
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    ENERGY TRANSFER MACHINE WITH INNER ROTOR
    • Publication number 20090159040
    • Publication date Jun 25, 2009
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY TRANSFER MACHINE
    • Publication number 20090078231
    • Publication date Mar 26, 2009
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY STORAGE AND RETURN SPRING
    • Publication number 20090064536
    • Publication date Mar 12, 2009
    • JAMES B. KLASSEN
    • A43 - FOOTWEAR
  • Information Patent Application

    SURGICAL CLIP, APPLICATOR AND APPLICATOR METHODS
    • Publication number 20080004637
    • Publication date Jan 3, 2008
    • James B. Klassen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ENERGY TRANSFER MACHINE WITH INNER ROTOR
    • Publication number 20070295301
    • Publication date Dec 27, 2007
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY TRANSFER MACHINE
    • Publication number 20070251491
    • Publication date Nov 1, 2007
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES