Patents by Inventor Martin Anthony Trumbull

Martin Anthony Trumbull 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).

  • ISOLATION SLEEVE
    Publication number: 20210324699
    Abstract: An isolation sleeve for a wellbore includes a sleeve body and a torque sleeve. The torque sleeve threadedly couples to the sleeve body. The torque sleeve includes a compression shoulder. The isolation sleeve includes a compression seal positioned about the torque sleeve between the compression shoulder and the sleeve body. The isolation sleeve also includes a lock ring coupled to the sleeve body that engages a packoff. The lock ring is urged into engagement with the packoff by an energizing ring.
    Type: Application
    Filed: April 18, 2021
    Publication date: October 21, 2021
    Inventors: Martin Anthony TRUMBULL, Thomas Henry HOLTKAMP
  • Mandrel casing hanger and running tool system
    Patent number: 8528650
    Abstract: A method for rotating a casing string in a borehole and a mandrel casing hanger and running tool system, include a selectively engageable connection between a mandrel casing hanger and a running tool; and a rotational force may be applied to the mandrel casing hanger, running tool, and casing string, without substantially tightening a threaded connection between the running tool and the mandrel casing hanger, by transmitting the rotational force through the selectively engageable connection.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: September 10, 2013
    Assignee: GE Oil & Gas Pressure Control LP
    Inventors: Jerry D. Smith, Martin Anthony Trumbull
  • Dual barrier plug system for a wellhead
    Patent number: 8499842
    Abstract: A dual barrier plug system includes a frac spool, having a dual barrier plug disposed within the interior of the frac spool; a valve selector member disposed within the interior of the dual barrier plug; and the plurality of seals are used to seal fluid flow from below the frac spool, and the seals provide two barriers to each fluid flow.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: August 6, 2013
    Assignee: GE Oil & Gas Pressure Control LP
    Inventors: Khang Van Nguyen, Martin Anthony Trumbull
  • DUAL BARRIER PLUG SYSTEM FOR A WELLHEAD
    Publication number: 20110036596
    Abstract: A dual barrier plug system includes a frac spool, having a dual barrier plug disposed within the interior of the frac spool; a valve selector member disposed within the interior of the dual barrier plug; and the plurality of seals are used to seal fluid flow from below the frac spool, and the seals provide two barriers to each fluid flow.
    Type: Application
    Filed: August 12, 2010
    Publication date: February 17, 2011
    Inventors: Khang Van Nguyen, Martin Anthony Trumbull