Patents by Inventor Daniel Douro

Daniel Douro 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).

  • Snap action toggle valve actuator assembly
    Patent number: 5230361
    Abstract: A snap action toggle valve actuator assembly for use in a fluid holding tank. Movement of a float or other movable actuating element causes pivotal movement of pivot arm, which compresses a spring. When the float element reaches a predetermined level, the spring causes a downward movement in linkage attached to the rear of a valve actuating lever and an upward movement of a valve rod secured to the other end of the valve actuating lever and vice versa.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: July 27, 1993
    Assignee: Spirax Sarco, Inc.
    Inventors: Thomas W. Carr, Daniel Douro