Patents by Inventor Christian B. von der Ohe

Christian B. von der Ohe 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).

  • Riser tensioner
    Patent number: 9051784
    Abstract: An apparatus for tensioning a marine riser comprising a support for a number of actuators, where the support is connected to a vessel's structure, and where each actuator is connected to the support and to a marine riser, and where elements of the riser tensioner apparatus are enclosed.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: June 9, 2015
    Assignee: NATIONAL OILWELL VARCO NORWAY AS
    Inventors: Christian B. Von Der Ohe, David Bengt Johan Ankargren
  • RISER TENSIONER
    Publication number: 20120217016
    Abstract: An apparatus for tensioning a marine riser comprising a support for a number of actuators, where the support is connected to a vessel's structure, and where each actuator is connected to the support and to a marine riser, and where elements of the riser tensioner apparatus are enclosed.
    Type: Application
    Filed: September 13, 2010
    Publication date: August 30, 2012
    Applicant: National Oilwell Norway AS
    Inventors: Christian B. Von Der Ohe, David Bengt Johan Ankargren
  • Riser-tensioning device balanced by horizontal force
    Publication number: 20040134661
    Abstract: A device in the riser-tensioning device or a vessel (1), in which a wire (30) is connected to a riser (8) and extends from the riser (8) up to and over pulley wheels (18′, 18″) and on to a wire-tensioning device (22), the two parts of the wire (30) extending in opposite, essentially horizontal directions out from the pulley wheels (18′, 18″).
    Type: Application
    Filed: December 5, 2003
    Publication date: July 15, 2004
    Inventor: Christian B. von der Ohe