Patents by Inventor Richard B. Estes

Richard B. Estes 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 grate assembly
    Patent number: 4252106
    Abstract: A grate assembly consisting of a pair of tubular U-shaped grates with turned-down, front positioned ends coupled to receptacles in a base plate, which base plate extends across the front and inside of a fireplace. Two of these receptacles, one coupled to each grate, are connected to a blower positioned in a frontal cavity of a hearth in front of and below the fireplace. The other two of the receptacles, one connected to each grate, are connected to pipes which extend down through and to the front of the hearth. They exhaust heated air.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: February 24, 1981
    Inventor: Richard B. Estes
  • Andiron
    Patent number: D259849
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: July 14, 1981
    Inventor: Richard B. Estes