Patents by Inventor Michael J. Thomas

Michael J. Thomas 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).

  • Thermostatic mixer valve
    Patent number: 4191172
    Abstract: In a solar energized hot water heating system, valve means responsive to the heated output from the solar heater for directing heated water alternately between a pair of storage tanks. The valve means includes a thermostatic element responsive to water temperature with capabilities to direct heated water above a predetermined temperature to one of two storage tanks and to the other when below said temperature. The valve has a multi-use function to also mix cold water with the heated output prior to use to produce a desired lower temperature.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: March 4, 1980
    Assignee: General Motors Corporation
    Inventors: Robert L. Walch, Jr., Van P. Carey, Michael J. Thomas