Patents by Inventor Ray P. Powers

Ray P. Powers 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).

  • 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