Patents by Inventor David John Robert Walker

David John Robert Walker 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).

  • TUBING HEAD SPOOLS WITH ORIENTATION FEATURE
    Publication number: 20260043305
    Abstract: A system to be used with a subsea well or completion installation can include a non-oriented tubing hanger adapter bushing (THAB) to be associated with a sleeve and a full-bore tubing head spool (FBTHS) of the subsea well or completion installation. An externally activated key of the FBTHS can engage with a helical groove associated with the sleeve and with the non-oriented THAB to enable self-orientation of a tubing hanger independent of an external orientation application based in part on a blowout preventer (BOP).
    Type: Application
    Filed: May 19, 2025
    Publication date: February 12, 2026
    Applicant: Baker Hughes Energy Technology UK Limited
    Inventors: David John Robert Walker, Scott Macdonald, Darren Hatton
  • Tubing head spools with orientation feature
    Patent number: 12331610
    Abstract: A system to be used with a subsea well or completion installation can include a non-oriented tubing hanger adapter bushing (THAB) to be associated with a sleeve and a full-bore tubing head spool (FBTHS) of the subsea well or completion installation. An externally activated key of the FBTHS can engage with a helical groove associated with the sleeve and with the non-oriented THAB to enable self-orientation of a tubing hanger independent of an external orientation application based in part on a blowout preventer (BOP).
    Type: Grant
    Filed: August 9, 2024
    Date of Patent: June 17, 2025
    Assignee: Baker Hughes Energy Technology UK Limited
    Inventors: David John Robert Walker, Scott Macdonald, Darren Hatton