Patents by Inventor Tommy Johnsen

Tommy Johnsen 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).

  • Method and device for preventing pipeskidding
    Patent number: 7467676
    Abstract: A method and device for preventing a pipe string (5) clampingly arranged in a slips (2) from slipping out of the slips (2) in the event of the pipe string (5) slipping in the slips (2), wherein a pipe clamp (22) is clamped, preferably hydraulically, onto the pipe string (5) at a position above the slips (2) and maintained in the clamped state for essentially as long as the pipe string (5) is held by the slips (2), the pipe clamp (22), in the event of the pipe string (5) slipping in the slips (2), being displaced together with the pipe string (5) until the pipe clamp/tong (22) stops against the wedges (16) of the slips (2).
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: December 23, 2008
    Assignees: Malm Orstad AS, Kokstad Invest AS
    Inventors: Tor Egil Mong, Tommy Johnsen
  • Method And Device For Preventing Pipeskidding
    Publication number: 20080093091
    Abstract: A method and device for preventing a pipe string (5) clampingly arranged in a slips (2) from slipping out of the slips (2) in the event of the pipe string (5) slipping in the slips (2), wherein a pipe clamp (22) is clamped, preferably hydraulically, onto the pipe string (5) at a position above the slips (2) and maintained in the clamped state for essentially as long as the pipe string (5) is held by the slips (2), the pipe clamp (22), in the event of the pipe string (5) slipping in the slips (2), being displaced together with the pipe string (5) until the pipe clamp/tong (22) stops against the wedges (16) of the slips (2).
    Type: Application
    Filed: December 18, 2007
    Publication date: April 24, 2008
    Applicants: Malm Orstad AS, Kokstad Invest AS
    Inventors: Tor Mong, Tommy Johnsen
  • Method and a device for preventing pipeskidding
    Patent number: 7337861
    Abstract: A method and device for preventing a pipe string (5) clampingly arranged in a slips (2) from slipping out of the slips (2) in the event of the pipe string (5) slipping in the slips (2), wherein a pipe clamp/tong (22) is clamped, preferably hydraulically, onto the pipe string (5) at a position above the slips (2) and maintained in the clamped state for essentially as long as the pipe string (5) is held by the slips (2), the pipe clamp/tong (22), in the event of the pipe string (5) slipping in the slips (2), being displaced together with the pipe string (5) until the pipe clamp/tong (22) stops against the wedges (16) of the slips (2).
    Type: Grant
    Filed: November 29, 2002
    Date of Patent: March 4, 2008
    Assignees: Malm Orstad AS, Odfjell Well Services AS
    Inventors: Tor Egil Mong, Tommy Johnsen
  • Method and a device for preventing pipeskidding
    Publication number: 20050072882
    Abstract: A method and device for preventing a pipe string (5) clampingly arranged in a slips (2) from slipping out of the slips (2) in the event of the pipe string (5) slipping in the slips (2), wherein a pipe clamp/tong (22) is clamped, preferably hydraulically, onto the pipe string (5) at a position above the slips (2) and maintained in the clamped state for essentially as long as the pipe string (5) is held by the slips (2), the pipe clamp/tong (22), in the event of the pipe string (5) slipping in the slips (2), being displaced together with the pipe string (5) until the pipe clamp/tong (22) stops against the wedges (16) of the slips (2).
    Type: Application
    Filed: November 29, 2002
    Publication date: April 7, 2005
    Inventors: Tor Mong, Tommy Johnsen