Patents by Inventor Howard E. Ward

Howard E. Ward 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).

  • Pressure equalizing load cell system
    Patent number: 3965734
    Abstract: A load cell system which is adapted to equalize the pressure on opposite sides of a load cell protective jacket in order to prevent erroneous force measurements which may otherwise result.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: June 29, 1976
    Assignee: Joy Manufacturing Company
    Inventors: Howard E. Ward, Mari A. Wolf