TREA

Christopher Botka

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  • Santa Rosa, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sensorless stall detection for motors
    • Patent number 6,794,775
    • Issue date Sep 21, 2004
    • Parker-Hannifin Corporation
    • Scott Ellerthorpe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Energy-absorbing filter for a motor
    • Patent number 6,624,607
    • Issue date Sep 23, 2003
    • Parker-Hannifin Corporation
    • Scott Ellerthorpe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Sensorless stall detection for motors
    • Patent number 6,611,072
    • Issue date Aug 26, 2003
    • Parker-Hannifin Corporation
    • Scott Ellerthorpe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Passive electronic damping for step motor
    • Patent number 6,040,676
    • Issue date Mar 21, 2000
    • Parker-Hannifin Corporation
    • Jack Nordquist
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Active electronic damping for step motor
    • Patent number 5,847,535
    • Issue date Dec 8, 1998
    • Parker-Hannifin Corporation
    • Jack Nordquist
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Sensorless stall detection for motors
    • Publication number 20040032231
    • Publication date Feb 19, 2004
    • Scott Ellerthorpe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER