Patents by Inventor Stuart T. Ritchart

Stuart T. Ritchart 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).

  • Manually actuated fuel valve control
    Patent number: 4429705
    Abstract: A hydraulic actuator and valve are used for the control of fuel to a burner. The actuator is energized to open the valve through a manual start switch and a manual reset switch to prevent the manual start switch from being held in either accidentally or intentionally to overcome a safety monitoring control, such as a flame safeguard programmer.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: February 7, 1984
    Assignee: Honeywell Inc.
    Inventor: Stuart T. Ritchart