Patents by Inventor Roar Tobiassen

Roar Tobiassen 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).

  • Ships for transport of liquefied gases
    Patent number: 3968764
    Abstract: A ship having large, internally insulated, self-supporting spherical tanks for transport of liquefied gases is described. Different insulation materials are presented. Control systems for the insulation is provided. Also a method for applying the insulation is disclosed.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: July 13, 1976
    Assignee: Moss Rosenberg Verft A/S
    Inventors: Rolf Kvamsdal, Roar Tobiassen