Patents by Inventor William B. Kitchens

William B. Kitchens 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).

  • A.C.-D.C. Spike eliminating bandpass filter
    Patent number: 4845580
    Abstract: A spike elimination circuit for A.C. and D.C. power sources comprises two gas tube and/or two semiconductor voltage limiting devices before a Bandpass Filter. The Bandpass Filter consists of 2 capacitors to ground and an inductor in series with the line. The spike eliminator can be portable, mobile, or hard wired for the protection of home controls and electronics, telecommunications, commercial and industrial controls and the computer field and others.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: July 4, 1989
    Inventor: William B. Kitchens