Patents by Inventor David Skaarsjoe

David Skaarsjoe 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: 11371300
    Abstract: Torque tool (200) configured for making up and breaking out joints (1a, 1b) in a riser (100), the tool (200) comprising: a tool body (3) and a tool head (4), the tool head (4) having a socket (4?) configured to receive a head (14) of a bolt (2) and apply a torque on the bolt (2), a torque sensor (20) operable to measure the torque applied on the bolt (2), and a pre-tension sensor (21) operable to measure a pre-tension in the longitudinal extension of the bolt (2) when the bolt (2) is received in the tool head (4). There is also provided a method for pre-tensioning bolted riser joints (1a, 1b) comprising a plurality of bolts (2), a method of managing a plurality of bolts (2) for riser joints (1a, 1b), a method of managing a plurality of bolts (2) for riser joints (1a, 1b), and a riser connector (101).
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: June 28, 2022
    Assignee: MHWIRTH DO BRASIL EQUIPAMENTOS LTDA.
    Inventors: David Skaarsjoe, Wagner Mardegan Sardenberg, John Magne Johnsen
  • Patent number: 11225839
    Abstract: An attachment device for securing a buoyancy module to a riser, the attachment device comprising an annular collar which is split into at least two parts, and at least one flange part, which is separable from the collar and has a generally planar flange and a connecting formation by means of which the flange part may be releasably connected to the collar so that the flange extends radially outwardly relative to the collar.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 18, 2022
    Assignee: MHWIRTH DO BRASIL EQUIPAMENTOS LTDA.
    Inventor: David Skaarsjoe
  • Publication number: 20210355766
    Abstract: Torque tool (200) configured for making up and breaking out joints (1a, 1b) in a riser (100), the tool (200) comprising: a tool body (3) and a tool head (4), the tool head (4) having a socket (4?) configured to receive a head (14) of a bolt (2) and apply a torque on the bolt (2), a torque sensor (20) operable to measure the torque applied on the bolt (2), and a pre-tension sensor (21) operable to measure a pre-tension in the longitudinal extension of the bolt (2) when the bolt (2) is received in the tool head (4). There is also provided a method for pre-tensioning bolted riser joints (1a, 1b) comprising a plurality of bolts (2), a method of managing a plurality of bolts (2) for riser joints (1a, 1b), a method of managing a plurality of bolts (2) for riser joints (1a, 1b), and a riser connector (101).
    Type: Application
    Filed: December 2, 2019
    Publication date: November 18, 2021
    Applicant: MHWIRTH DO BRASIL EQUIPAMENTOS LTDA.
    Inventors: DAVID SKAARSJOE, WAGNER MARDEGAN SARDENBERG, JOHN MAGNE JOHNSEN
  • Publication number: 20200386059
    Abstract: An attachment device for securing a buoyancy module to a riser, the attachment device comprising an annular collar which is split into at least two parts, and at least one flange part, which is separable from the collar and has a generally planar flange and a connecting formation by means of which the flange part may be releasably connected to the collar so that the flange extends radially outwardly relative to the collar.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 10, 2020
    Inventor: David Skaarsjoe