Patents by Inventor Michael E. Spivey

Michael E. Spivey 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 heat rollout sensor
    Patent number: 5143050
    Abstract: A water heater comprising a combination chamber, a gas burner located in the combustion chamber, a gas inlet pipe communicating with the burner, a gas valve for opening and closing the inlet pipe, and a sensor which is in contact with the inlet pipe and which is operably conneted to the gas valve for closing the valve when the temperature of the pipe exceeds a predetermined temperature.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: September 1, 1992
    Assignee: AOS Holding Company
    Inventor: Michael E. Spivey