Patents by Inventor James C. Wetzel

James C. Wetzel 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).

  • Furnace construction
    Patent number: 4549490
    Abstract: A furnace having a fuel hopper in communication with a combustion chamber provided with an inclined, fuel-supporting grate. A rotary, flexible feed arm composed of a helically coiled wire serves to feed fuel from the hopper on to the grate. A draft is induced through the combustion chamber and passes through the grate and fuel supported thereon.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: October 29, 1985
    Inventors: Clifford C. Wetzel, Gerald L. Wetzel, James C. Wetzel