Patents by Inventor Friedrich W. Heine

Friedrich W. Heine 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 stove
    Patent number: 4214569
    Abstract: The specification discloses a fireplace stove in which heat exchange tubes slope upwardly from a sloping rear wall to a sloping front wall of a polygonal body and are open at each end. A door is openable and/or removable from the body to form a fireplace. A door frame has a thermostat controlled damper at its top and outlets to the fire area near in the lower, side portions thereof. A baffle is spaced below the flue outlet and is aligned with the flue outlet.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: July 29, 1980
    Inventor: Friedrich W. Heine
  • Home heater
    Patent number: D252405
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: July 17, 1979
    Inventor: Friedrich W. Heine
  • Fireplace heater
    Patent number: D255710
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: July 1, 1980
    Inventor: Friedrich W. Heine