Patents by Inventor Othmar W. Pies

Othmar W. Pies 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).

  • Solar heating system
    Patent number: 4095584
    Abstract: A solar heating system which includes a heat accumulating structure and a heat storage pit. A roof of the heat accumulating structure includes a backing board and a corrugated metal plate mounted on and overlying the backing board to form air heating channels between the backing board and the metal plate. Air is directed along the air heating channels to be heated when the sun shines on the metal plate. The heated air is directed from the channels of the roof through the chamber to heat rocks in the chamber.
    Type: Grant
    Filed: July 14, 1976
    Date of Patent: June 20, 1978
    Inventor: Othmar W. Pies