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John Michael Stephenson

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  • Halifax, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for controlling an electric machine
    • Patent number 6,498,447
    • Issue date Dec 24, 2002
    • Switched Reluctance Drives, Ltd.
    • Raymond Mann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and method for starting a single-phase variable reluctanc...
    • Patent number 5,808,389
    • Issue date Sep 15, 1998
    • Switched Reluctance Drives, Ltd.
    • John Michael Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control of switched reluctance machines
    • Patent number 5,563,488
    • Issue date Oct 8, 1996
    • Switched Reluctance Drives Limited
    • John M. Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switched reluctance motors
    • Patent number 5,548,173
    • Issue date Aug 20, 1996
    • Switched Reluctance Drives Limited
    • John M. Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control of switched reluctance machines
    • Patent number 5,545,964
    • Issue date Aug 13, 1996
    • Switched Reluctance Drives Ltd.
    • John M. Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control of switched reluctance machines
    • Patent number 5,469,039
    • Issue date Nov 21, 1995
    • Switched Reluctance Drives Limited
    • John M. Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric machines
    • Patent number 5,043,618
    • Issue date Aug 27, 1991
    • Switched Reluctance Drives Ltd.
    • John M. Stephenson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents