Patents Assigned to Liphook Couplers Systems Inc.
  • Patent number: 5950654
    Abstract: This invention relates to an adaptor having one end for activating a valve and another end for connection to a rod said adaptor including a socket at said one end to register with said valve for operating said valve, and including a slot at said other end for receiving and pivotally connecting to said rod. The invention also teaches a pin removal tool for removing pins underground from the surface.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: September 14, 1999
    Assignee: Liphook Couplers Systems Inc.
    Inventor: Christopher John Paylor