Patents by Inventor Frank Sutcliffe

Frank Sutcliffe 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).

  • Frictional joints
    Patent number: 4925415
    Abstract: A frictional joint between a first member and a second member is dismantled by means of a hydraulic nut fitted onto an external screw thread of the first member. The hydraulic nut acts on a separation ring having an external screw thread engaged with an internal screw thread in a co-axial recess provided in the second member.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: May 15, 1990
    Assignee: Vickers Shipbuilding & Engineering Limited
    Inventor: Frank Sutcliffe