Patents by Inventor Richard O. Scharen

Richard O. Scharen 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).

  • Self-contained heating apparatus
    Patent number: 4173966
    Abstract: A self-contained heating apparatus adapted for mounting in a fireplace includes an air chamber surrounding a combustion chamber. An air mover is provided for circulating air through the air chamber and outwardly from air ducts which extend across the combustion chamber.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: November 13, 1979
    Inventor: Richard O. Scharen