Patents by Inventor Lars Truedesson

Lars Truedesson 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).

  • Device for subsea operations
    Patent number: 4805549
    Abstract: A device for carrying out works under water includes a twin hull submarine (1,2) which can be combined with a number of specially adapted cargo modules (12), in which the twin hull submarine between its two hulls (1,2) is provided with a cargo holder (15) for carrying cargo modules in the compartment between the two hulls (1,2). This provides a modularized system for subsea operations, whereby a twin hull submarine, in combination with a number of specially adapted cargo modules, forms a device for carrying out various tasks under water.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: February 21, 1989
    Assignee: Den norske stats oljeselskap a.s
    Inventors: Bjornar Svenning, Rune Svensson, Lars Truedesson