Patents by Inventor Richard Dale Stephens

Richard Dale Stephens 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).

  • Rod hanger and clamp assembly
    Patent number: 6557643
    Abstract: An apparatus and method is provided which holds a rod or tubular within a well, allowing a well service provider or operator to safely and more cost effectively disassemble, remove, or otherwise work on a drive assembly. In one aspect, the apparatus comprises an annular body having at least one radial aperture formed therethrough and at least one rod holder disposed through each aperture. The rod holder comprises a push jaw disposed on a first end of a screw. In one aspect, the method comprises shutting down a drive assembly and supporting a rod or tubular with an annular body comprising at least one radial aperture formed there-through, at least one threaded member disposed within the aperture, and at least one push jaw disposed on a first end of the threaded member.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: May 6, 2003
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Craig Melvin Hall, Richard Dale Stephens