Patents by Inventor Lars Pohner

Lars Pohner 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).

  • Publication number: 20130189039
    Abstract: A riser tensioning system with an individual riser unit on an oil or gas platform. The platform has a traveling trolley structure with at least one trolley bearing and a centralizer. The trolley bearing is coupled to at least one guide rail configured to allow vertical movement of said traveling trolley structure. The traveling trolley structure is coupled to a riser collar configured to support a top of the riser. The riser tensioning system has at least one cylinder coupled to the traveling trolley structure on one end and secured on an opposite end such that the cylinder is adapted to push or pull the traveling trolley structure vertically.
    Type: Application
    Filed: September 30, 2011
    Publication date: July 25, 2013
    Applicant: AKER SUBSEA INC.
    Inventors: Leiv Wanvik, Lars Pohner, Rolf Birger Bendiksen