Patents by Inventor James Barwise

James Barwise 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).

  • Valve closing mechanism
    Patent number: 5579801
    Abstract: A valve closing mechanism comprises a stand-off arm (18) adapted for attachment to the valve body, a lever arm (22) incorporating a fitting (24) for connection to the valve spindle (16), and an actuator (26) acting between the stand-off arm (18) and the lever arm (22) for effecting angular oscillatory movement of the lever arm, said fitting comprising a one-way drive transmitting arrangement whereby the spindle is rotated when the lever arm is displaced in one direction but remains stationary when the lever arm is displaced in the opposite direction.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: December 3, 1996
    Assignee: Imperial Chemical Industries PLC
    Inventors: Jack Pye, Michael A. Stewart, James Barwise