Patents by Inventor Robert D. Pitts

Robert D. Pitts 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).

  • Patent number: 4263888
    Abstract: A unitary, pre-fabricated heating plant combining the advantages of a fireplace facing one room, a cookstove facing another room, a central heating plant furnishing heat to other parts of the building and having integrated therewith provisions for drawing in outside air for combustion as well as fresh air, as required for air changes within the building.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: April 28, 1981
    Inventor: Robert D. Pitts