Patents by Inventor Britton J. Piper

Britton J. Piper 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).

  • Hydraulic tubing head assembly
    Patent number: 5522464
    Abstract: A hanger head assembly for coiled tubing that consists of a body member having an axial passage that includes plural, hydraulically actuated slips for holding the tubing at a selected position, and further includes a concentration double packer assembly that is hydraulically actuated to seal off the tubing annulus.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: June 4, 1996
    Assignee: Piper Oilfield Products, Inc.
    Inventor: Britton J. Piper