TREA

Harold S. Durham

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  • Stuart, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Single field rotor motor
    • Patent number 7,719,154
    • Issue date May 18, 2010
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Single field rotor motor
    • Patent number 7,608,967
    • Issue date Oct 27, 2009
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Starting system for salient-poled-rotor electric motor
    • Patent number 7,583,000
    • Issue date Sep 1, 2009
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Single field rotor motor
    • Patent number 7,514,832
    • Issue date Apr 7, 2009
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Split-pole field-match motor
    • Patent number 7,276,831
    • Issue date Oct 2, 2007
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Radial flux diode motor
    • Patent number 6,853,110
    • Issue date Feb 8, 2005
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flux diode motor
    • Patent number 6,707,208
    • Issue date Mar 16, 2004
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flux diode motor
    • Patent number 6,611,078
    • Issue date Aug 26, 2003
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    SINGLE FIELD ROTOR MOTOR
    • Publication number 20090091205
    • Publication date Apr 9, 2009
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Single field rotor motor
    • Publication number 20070278887
    • Publication date Dec 6, 2007
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Single field rotor motor
    • Publication number 20070063609
    • Publication date Mar 22, 2007
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Starting system for salient-poled-rotor electric motor
    • Publication number 20060273681
    • Publication date Dec 7, 2006
    • Tri-Seven Research, Inc.
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FLUX DIODE MOTOR
    • Publication number 20030230946
    • Publication date Dec 18, 2003
    • Gary L. Durham
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER