Patents by Inventor Clair B. Marshall

Clair B. Marshall 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: 4312327
    Abstract: An apparatus for tracking and collecting solar energy including at least one collector having elongated reflective surfaces which are parabolic in cross-section. A heat collection and transfer conduit is carried by said collector with said conduit having an inlet at one end and an outlet at the other end. The inlet is connected to an inlet manifold and the outlet is connected to an outlet manifold. An agitator moves a fluid through the inlet manifold, the conduit for warming then through said outlet manifold. The collector is rotated about a longitudinal axis thereof with such rotation directed by a sun sensing device.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: January 26, 1982
    Inventors: Clair B. Marshall, Larry A. Marshall