Patents by Inventor Charles H. Trexler, Sr.

Charles H. Trexler, Sr. 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).

  • Fireplace heating unit
    Patent number: 4178908
    Abstract: A novel forced air fireplace heating unit in which a plenum for delivering heated air to a room or other space overlies a double jacketed furnace and communicates with an air heating space between the furnace's jackets, whereby air introduced into the heating space by convection or by a blower flows through the heating space and then through the plenum for delivery to the area to be heated.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: December 18, 1979
    Inventor: Charles H. Trexler, Sr.
  • Fuel-air supply system for internal combustion engines
    Patent number: 4174691
    Abstract: A fuel-air supply system for a combustion engine wherein unmixed supplies of liquid fuel and combustion air are heated and after heating are bypassed around the engine's carburetor for delivery to the engine in place of the fuel air mixture from the carburetor when the temperature of the liquid fuel being heated rises to a pre-selected temperature.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: November 20, 1979
    Inventor: Charles H. Trexler, Sr.