Patents by Inventor Rex C. Mitchell

Rex C. Mitchell 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).

  • Thermal energy storage unit
    Patent number: 4124061
    Abstract: A thermal storage unit comprising a bed of particulate solid material, a liquid situated in heat-exchanging relation with said bed and cooperating with said bed to define a liquid-solid system containing a thermocline, and means for introducing liquid into and extracting liquid from said liquid-solid system.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: November 7, 1978
    Assignee: Rockwell International Corporation
    Inventors: Rex C. Mitchell, Joseph Friedman, Richard J. Holl, Charles R. Easton