Patents Assigned to Linda Ann Tully-Wilkins Frazier
  • Method and composition for improving the energy efficiency of heat pump systems
    Patent number: 4963280
    Abstract: A method of improving the efficiency of a heat pump system comprising introducing into the system a polar compound which is liquid under said systems operating conditions.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: October 16, 1990
    Assignees: Charles Henry Tully-Wilkins, Jr., Linda Ann Tully-Wilkins Frazier
    Inventors: Charles H. T. Wilkins, deceased, Jack Hammack, Charles B. Thompson