Patents by Inventor Kaj Lindberg

Kaj Lindberg 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).

  • Node intersection between columns and pontoon members at a tendon-moored platform
    Patent number: 4875806
    Abstract: A node intersection between circular columns and pontoon members at a tendon-moored semisubmersible offshore platform. The pontoon members have a box shape, defined by vertical side walls, a horizontal deck and a horizontal bottom skin, joined together into a foursided frame, via the columns. The node intersection comprises vertical bulkheads within the lower ends of the columns, forming internally intersecting continuations of the vertical sidewalls.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: October 24, 1989
    Assignee: Gotaverken Arendal AB
    Inventors: Kaj Lindberg, Gerry Steen, Elon Germundson