Patents by Inventor John C. Ellsworth

John C. 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).

  • Patent number: 4540042
    Abstract: A fluid thermal storage and transfer unit which includes a fluid conduit which is substantially filled with a fluid which is substantially all of the same state. For example, the fluid may be all liquid. The loop of fluid conduit has first and second axial sections which are disposed at different elevations. Typically, a module incorporating the loop will have the first and second axial sections disposed on opposite sides.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: September 10, 1985
    Inventors: Thomas T. Zelek, John C. Ellsworth