Patents by Inventor John J. Willis, Jr.

John J. Willis, Jr. 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 control apparatus for evaporative cooling system
    Patent number: 4232531
    Abstract: Thermostatic control apparatus for evaporative cooling systems includes a single thermostat and a plurality of relays and relay contacts to select appropriate combinations of cooling, ventilating, and motor control speed for a fan or a blower.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: November 11, 1980
    Assignee: Dial Manufacturing, Inc.
    Inventors: William M. Mangam, Jr., John J. Willis, Jr., Myron Jones, Jr.