Patents by Inventor Harald Frigstad

Harald Frigstad 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).

  • Drilling vessel device
    Patent number: 8210115
    Abstract: A drilling vessel device comprising a deck structure including at least a main deck with several generators, and a cellar deck providing a passage for at least a main cable from a generator to a consumption item, where the cellar deck is provided with at least one about the central vertical axis of the drilling vessel encircling cable compartment.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: July 3, 2012
    Assignee: Frigstad Engineering Ltd
    Inventor: Harald Frigstad
  • DRILLING VESSEL DEVICE
    Publication number: 20100294189
    Abstract: A drilling vessel device comprising a deck structure including at least a main deck with several generators, and a cellar deck providing a passage for at least a main cable from a generator to a consumption item, where the cellar deck is provided with at least one about the central vertical axis of the drilling vessel encircling cable compartment.
    Type: Application
    Filed: August 20, 2007
    Publication date: November 25, 2010
    Inventor: Harald Frigstad