Patents by Inventor John T. Muller

John T. Muller 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).

  • Regulating valve
    Patent number: 4648553
    Abstract: A regulating valve having a fail-safe action which is suitable for controlling the flow of either a heating or cooling medium in response to a sensed condition is disclosed. The flow of heating or cooling medium is responsive to changes in temperature at a selected location, which changes are sensed by thermal element. The fail-safe action of the regulating valve either permits or prevents flow of the heating or cooling medium upon failure of the thermal element.
    Type: Grant
    Filed: July 9, 1985
    Date of Patent: March 10, 1987
    Assignee: Leslie Company
    Inventor: John T. Muller