Patents by Inventor Timothy G. Boxell

Timothy G. Boxell 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).

  • Downhole tools
    Patent number: 4715440
    Abstract: A tool for use downhole has an elongate body, arms movably mounted on the body and means for controlling movement of the arms between an operational position and a retracted position. Movement of the arms is controlled by a motor and a transmission, according to one aspect of the invention the arms being suspended independently of one another and in a second aspect of the invention, movement of the arms being controllable remotely from the tool.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: December 29, 1987
    Assignee: Gearhart Tesel Limited
    Inventors: Timothy G. Boxell, Frank B. Bardsley, David E. Stoddart