Patents Assigned to Stephen T. McGill
  • Proportional fluid exchanger and recirculator
    Patent number: 4526318
    Abstract: A proportional fluid exchanger and recirculator having a damper element pivoted at its approximate balance point for thermostatically-responsive proportioning of fluid within a mixing chamber. Said damper element supports actuator elements, thus permitting ready installation at jobsite.
    Type: Grant
    Filed: June 11, 1984
    Date of Patent: July 2, 1985
    Assignees: Stephen T. McGill, Francis R. McGill
    Inventors: Ted D. Fleming, Dan A. Koch, Francis R. McGill, Ray P. Powers, Roy H. Michaelsen