Patents by Inventor Frank Stupczy

Frank Stupczy 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).

  • Hybrid powered welder
    Publication number: 20060037953
    Abstract: An electric arc welder that includes a energy storage device and non-battery power source for the formation of an electric arc. The welder also includes battery charging circuit that controls the charging of the energy storage device by the non-battery power source. The non-battery power source can include an engine driven electric generator, power grid or a fuel cell.
    Type: Application
    Filed: August 17, 2004
    Publication date: February 23, 2006
    Inventors: William Matthews, Bryce Muter, Frank Stupczy