Patents by Inventor Harry J. Enck

Harry J. Enck 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).

  • Water heater controller
    Patent number: 5056712
    Abstract: A water heater controller including hot water supply temperature sensor, a return water temperature sensor, a cold water flow sensor, a recirculation loop ambient temperature sensor, and a processor and control unit for controlling the heating of water and the circulation of water.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: October 15, 1991
    Inventor: Harry J. Enck