Patents by Inventor John Eri Hershey

John Eri Hershey 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).

  • Instrument for detecting potential future failures of valves in critical control systems
    Patent number: 5646600
    Abstract: Apparatus for monitoring the health and response of critical electromechanical control valves to detect the likelihood of future valve malfunction including the use of wavelet decomposition to selectively enhance portions of the valve response signal for comparison with a normal valve response signal.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: July 8, 1997
    Assignee: General Electric Company
    Inventors: Aiman Albert Abdel-Malek, John Eri Hershey, Amer Aref Hassan