Patents by Inventor Scott Higdon

Scott Higdon 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).

  • Method and apparatus for preventing floodback in cooling apparatus
    Patent number: 4788826
    Abstract: A method and apparatus for preventing flood back in refrigeration systems which include a compressor, expansion valve and evaporator coil, by sensing the temperature differential across the evaporator coil and deactivating the compressor when the differential exceeds in the negative direction a predetermined amount of superheat. A second embodiment uses the sensing to operate flooded systems at peak efficiency at or near 0 superheat. A third embodiment uses all electronic circuitry to operate the system.
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: December 6, 1988
    Inventor: Scott Higdon