Patents by Inventor Robert L. Ellsworth

Robert L. Ellsworth 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 panel
    Patent number: 4368726
    Abstract: A solar heating panel for collecting solar heat energy and method for making same having a heat insulative substrate with a multiplicity of grooves and structural supporting ribs formed therein covered by a thin, flexible heat conductive film to form fluid conducting channels which in turn are connected to manifolds from which fluid is directed into the channels and heated fluid is removed therefrom.
    Type: Grant
    Filed: October 3, 1980
    Date of Patent: January 18, 1983
    Assignee: Fortin Laminating Corporation
    Inventor: Robert L. Ellsworth