Patents by Inventor Fredrik Witting

Fredrik Witting 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).

  • Spool piece termination structure, a connection arrangement comprising such a termination structure and a pipeline termination
    Patent number: 7402000
    Abstract: A spool piece termination structure to be mounted to a spool piece so as to support a spool piece hub during the connection of the spool piece hub to a corresponding pipeline hub. The termination structure includes a clamping device for clamping together the spool piece hub and pipeline hub, and a base frame openly shaped downwards so as to allow the termination structure to receive a pipeline end section provided with the pipeline hub by lowering the termination structure downwards onto the pipeline end section. A connection arrangement includes such a spool piece termination structure and a method for subsea connection of a pipeline to a spool piece.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: July 22, 2008
    Assignee: Vetco Gray Scandinavia AS
    Inventors: Rolf Bastesen, Helge Ingebretsen, Fredrik Witting
  • Spool piece termination structure, a connection arrangement comprising such a termination structure and a pipeline termination
    Publication number: 20070009328
    Abstract: A spool piece termination structure to be mounted to a spool piece so as to support a spool piece hub during the connection of the spool piece hub to a corresponding pipeline hub. The termination structure includes a clamping device for clamping together the spool piece hub and pipeline hub, and a base frame openly shaped downwards so as to allow the termination structure to receive a pipeline end section provided with the pipeline hub by lowering the termination structure downwards onto the pipeline end section. A connection arrangement includes such a spool piece termination structure and a method for subsea connection of a pipeline to a spool piece.
    Type: Application
    Filed: May 28, 2004
    Publication date: January 11, 2007
    Applicant: VETCO AIBEL AS
    Inventors: Rolf Bastesen, Helge Ingebretsen, Fredrik Witting
  • Coupling system for subsea pipelines and method for establishing such system
    Patent number: 6312193
    Abstract: System and method for coupling of a bottom based pipeline to an adjacent riser pipe or another pipeline, of the kind wherein is utilized a bottom based coupling frame. The underside of the frame (2) is designed in order to undergo displaceable movements along the sea bottom or on a fundament thereon both during and subsequent to coupling of the pipelines to the frame. On the frame are mounted coupling members for one importing and one exporting pipeline, and a pipe connection between the pipe couplings, optionally including a valve and other equipment. In accordance with the method, a tool including a winch and a pulling wire, is mounted on the frame whereby the frame, including the pipeline, can be pulled together in order to accomplish the coupling operations.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: November 6, 2001
    Assignee: ABB Offshore Systems AS
    Inventors: Fredrik Witting, Per Olav Halle, Odd-Bjarne Klemetsdal