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John D. Wortman

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  • St. Clair Shores, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High volume low speed fan
    • Patent number 9,011,099
    • Issue date Apr 21, 2015
    • SkyBlade Fan Company
    • John D. Wortman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radiant heater
    • Patent number 8,656,904
    • Issue date Feb 25, 2014
    • DETROIT RADIANT PRODUCTS CO.
    • Joseph A. Wortman
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    High Volume Low Speed Fan
    • Publication number 20130336790
    • Publication date Dec 19, 2013
    • John D. Wortman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RADIANT HEATER
    • Publication number 20110079218
    • Publication date Apr 7, 2011
    • DETROIT RADIANT PRODUCTS CO.
    • Joseph A. Wortman
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING