Patents by Inventor Stewart John Barker

Stewart John Barker 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).

  • Patent number: 8733434
    Abstract: In some embodiments, apparatus connectable between a top drive system and a tool useful in connection with a hydrocarbon exploration or production well includes a rotatable barrel, a non-rotating upper housing engageable with the top drive system, a rotatable lower housing engageable with the tool and a non-rotating communication ring.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: May 27, 2014
    Assignee: Baker Hughes Incorporated
    Inventor: Stewart John Barker
  • Publication number: 20120048533
    Abstract: In some embodiments, apparatus connectable between a top drive system and a tool useful in connection with a hydrocarbon exploration or production well includes a rotatable barrel, a non-rotating upper housing engageable with the top drive system, a rotatable lower housing engageable with the tool and a non-rotating communication ring.
    Type: Application
    Filed: August 22, 2011
    Publication date: March 1, 2012
    Applicant: Baker Hughes Incorporated
    Inventor: Stewart John Barker
  • Patent number: 7296632
    Abstract: An alignment apparatus for use with the assembly of tubular segments with a tubular string in a well bore is disclosed. The alignment apparatus includes an actuator assembly functionally associated with an engagement assembly. Upon actuation of the actuator assembly, the engagement assembly engages the segment. The alignment apparatus is then lowered such that the segment contacts the string, and a connection may be made. A method of improving the alignment of the segment with the tubular string in the well bore is also is also disclosed.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: November 20, 2007
    Assignee: BJ Services Company
    Inventors: Stewart John Barker, Neil Gordon