TREA

George S. Harper

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  • Cambridge, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit breaker
    • Patent number 5,066,935
    • Issue date Nov 19, 1991
    • North American Philips Corporation
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,926,157
    • Issue date May 15, 1990
    • Airpax
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,885,558
    • Issue date Dec 5, 1989
    • Airpax Corporation
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multipole circuit breaker system with differential pole operation
    • Patent number 4,882,557
    • Issue date Nov 21, 1989
    • Airpax Corporation
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Auxiliary switch actuator mechanism
    • Patent number 4,707,674
    • Issue date Nov 17, 1987
    • Airpax Corporation
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap in panel mounted circuit breaker
    • Patent number 4,587,391
    • Issue date May 6, 1986
    • Airpax Corporation
    • George S. Harper
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Setting mechanism for snap action circuit breaker
    • Patent number 4,323,868
    • Issue date Apr 6, 1982
    • North American Philips Controls Corp.
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap action circuit breaker
    • Patent number 4,117,285
    • Issue date Sep 26, 1978
    • Airpax Electronics Incorporated
    • George Sullivan Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with improved delay
    • Patent number 4,062,052
    • Issue date Dec 6, 1977
    • Airpax Electronics, Inc.
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with arc chamber screen
    • Patent number 3,997,746
    • Issue date Dec 14, 1976
    • Airpax Electronics, Incorporated
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with improved delay
    • Patent number 3,959,755
    • Issue date May 25, 1976
    • Airpax Electronics Incorporated
    • George S. Harper
    • H01 - BASIC ELECTRIC ELEMENTS