Patents by Inventor John R. Flick

John R. Flick 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).

  • AC/DC converter fault detector
    Patent number: 5206801
    Abstract: A system is disclosed including an AC sensor for providing an AC sensor signal based upon AC on AC lines, a DC sensor for providing a DC sensor signal based upon DC, and a fault detector for providing a fault indicating signal based upon a difference between the AC sensor signal and the DC sensor signal.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: April 27, 1993
    Inventors: John R. Flick, Cecil W. Sims