Patents by Inventor David E. Lovick

David E. Lovick 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).

  • Multiple input signal checking circuit
    Patent number: 5030939
    Abstract: A circuit senses the conditions of control instrumentation such as valves and graphically displays these conditions on a display panel or screen of a console. The circuit also provides signal checking or validation capability monitoring the quality of the instrument condition signals and displaying the quality of the monitored signals on the same console screen.
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: July 9, 1991
    Assignee: Elsag International B.V.
    Inventor: David E. Lovick