Patents by Inventor Donald Vanderslius

Donald Vanderslius 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).

  • Apparatus and method for charging and discharging a capacitor
    Patent number: 6979933
    Abstract: An apparatus for electrically stimulating a smart material includes a controllable power source for charging the smart material and/or switching circuitry for discharging the smart material. The controllable power source includes a regulated DC to DC converter having controllable drive circuitry associated therewith. The drive circuitry can be self-oscillating through associated feedback means. The switching circuitry can be responsive to one or more control signals.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: December 27, 2005
    Assignee: Viking Technologies, L.C.
    Inventors: Mark Oudshoorn, Donald Vanderslius