Patents by Inventor Walter Lecoque

Walter Lecoque 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).

  • Dual reference surface transducer
    Patent number: 4769793
    Abstract: An ultrasonic transducer and method for detecting the distance to an object using ultrasonic energy. The transducer includes a foil which creates ultrasonic energy. First and second reference surfaces are provided which are spaced between the transducer and the object. The two reference surfaces provide for immunity against temperature and positional changes.
    Type: Grant
    Filed: February 12, 1986
    Date of Patent: September 6, 1988
    Assignee: Ultrasonic Arrays, Inc.
    Inventors: James N. Kniest, James M. Hossack, Walter Lecoque