Patents by Inventor Kenneth D. Thomson

Kenneth D. Thomson 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).

  • Metal-to-metal annulus seal arrangement
    Patent number: 8561995
    Abstract: A metal-to-metal seal is used to seal between two tubular members. In one embodiment, a metal-to-metal seal forms a seal in an annulus housing between an inner and outer diameter of tubular members of an adjustable casing sub. The seal can have an inner and an outer sealing ring, or more than one pair of inner and outer sealing rings, that can be set in place by a running tool. An energizing ring can have a tapered or bulbous surface, and can create a pre-load force against the sealing rings.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: October 22, 2013
    Assignee: Vetco Gray Inc.
    Inventor: Kenneth D. Thomson
  • METAL-TO-METAL ANNULUS SEAL ARRANGEMENT
    Publication number: 20100327532
    Abstract: A metal-to-metal seal is used to seal between two tubular members. In one embodiment, a metal-to-metal seal forms a seal in an annulus housing between an inner and outer diameter of tubular members of an adjustable casing sub. The seal can have an inner and an outer sealing ring, or more than one pair of inner and outer sealing rings, that can be set in place by a running tool. An energizing ring can have a tapered or bulbous surface, and can create a pre-load force against the sealing rings.
    Type: Application
    Filed: June 8, 2010
    Publication date: December 30, 2010
    Applicant: VETCO GRAY INC.
    Inventor: Kenneth D. Thomson