Patents by Inventor Jean Giessner

Jean Giessner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for measuring the slip of locomotive wheels and preventing sliding thereof
    Patent number: 4065975
    Abstract: Apparatus provided for measuring slippage of locomotive wheels and for preventing excessive sliding of the wheels and which produces a control signal for governing the locomotive speed uses as a basic criteria the variation in velocity between the translatory speed of the locomotive and the circumferential velocity of sliding wheels. Variation in velocity is measured by integrating acceleration differences between the effective acceleration of the locomotive and the wheel acceleration.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: January 3, 1978
    Assignee: BBC Brown Boveri & Company Limited
    Inventor: Jean Giessner