Patents by Inventor Steven T. Forrest

Steven T. Forrest 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).

  • Patent number: 6860464
    Abstract: A valve actuator assembly is provided for selectively opening and closing a valve. The valve actuator assembly includes a primary motor and secondary motor both operatively coupled to an output shaft and adapted to receive valve position commands and operable, in response thereto, to selectively drive the output shaft in a valve open or close direction and a tertiary motor adapted to receive a flow of pressurized air and operable, in response thereto, to drive the output shaft in a valve close direction.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: March 1, 2005
    Assignee: Honeywell International Inc.
    Inventors: James N. Quitmeyer, Donald D. Bennett, Thomas F. Bergin, Ronald J. Louis, Steven T. Forrest