Patents by Inventor Ernest C. Zimmer

Ernest C. Zimmer 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: 4157704
    Abstract: A stove for use in an abode and which includes an air intake system and a viewing door. The air intake system inducts air into the stove from outside the abode and includes a draft control mechanism for controlling the amount of air introduced into the stove. The viewing door includes means for slidably receiving a spark screen, a viewing window and a heat shield, which elements can be used singly or in combination, as desired. A latching mechanism on the door enables the door to be closed with varying degrees of tightness. Alternative embodiments include use of the stove in a water heating system and fans convecting air over the stove outside surfaces.
    Type: Grant
    Filed: September 13, 1977
    Date of Patent: June 12, 1979
    Inventor: Ernest C. Zimmer
  • Fireplace stove
    Patent number: D251385
    Type: Grant
    Filed: September 13, 1977
    Date of Patent: March 20, 1979
    Inventor: Ernest C. Zimmer