Patents by Inventor Kristian Guttulsrud

Kristian Guttulsrud 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).

  • Wellhead arrangement and method
    Patent number: 11761291
    Abstract: A wellhead arrangement includes a valve tree arranged on a wellhead and a seal carrier with at least one seal. The valve tree includes an isolation sleeve. The seal carrier is arranged between the wellhead and the isolation sleeve.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: September 19, 2023
    Assignee: AKER SOLUTIONS AS
    Inventors: Geir Ivar Holberg, Joakim Martens, Kristian Guttulsrud, Jan Herland, Jan Troensdal
  • A WELLHEAD ARRANGEMENT AND METHOD
    Publication number: 20200063520
    Abstract: A wellhead arrangement includes a valve tree arranged on a wellhead and a seal carrier with at least one seal. The valve tree includes an isolation sleeve. The seal carrier is arranged between the wellhead and the isolation sleeve.
    Type: Application
    Filed: April 12, 2018
    Publication date: February 27, 2020
    Applicant: AKER SOLUTIONS AS
    Inventors: GEIR IVAR HOLBERG, JOAKIM MARTENS, KRISTIAN GUTTULSRUD, JAN HERLAND, JAN TROENSDAL
  • Weak link for a riser system
    Patent number: 9322225
    Abstract: A weak link (17, 43) for a riser system comprising a pin (2, 25) and a box (1, 24), bolts (11, 34) for releasably connecting the pin (2, 25) and the box (1, 24), the bolts being designed to break at a predefined tension. The link further comprising a pressure balancing mechanism for balancing axial forces acting on the bolts (11, 34) due to end cap effect. The weak link also comprises a strong mode mechanism and a dampening mechanism.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: April 26, 2016
    Assignee: AKer Subsea AS
    Inventors: Knut Møgedal, Kristian Guttulsrud, David Brown, Jonas Åkerlund
  • WEAK LINK FOR A RISER SYSTEM
    Publication number: 20150285010
    Abstract: A weak link (17, 43) for a riser system comprising a pin (2, 25) and a box (1, 24), bolts (11, 34) for releasably connecting the pin (2, 25) and the box (1, 24), the bolts being designed to break at a predefined tension. The link further comprising a pressure balancing mechanism for balancing axial forces acting on the bolts (11, 34) due to end cap effect. The weak link also comprises a strong mode mechanism and a dampening mechanism.
    Type: Application
    Filed: November 19, 2013
    Publication date: October 8, 2015
    Applicant: Aker Subsea AS
    Inventors: Knut Møgedal, Kristian Guttulsrud, David Brown, Jonas Åkerlund
  • Riser and umbilical clamp
    Patent number: D649641
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: November 29, 2011
    Assignee: Aker Subsea AS
    Inventor: Kristian Guttulsrud