Patents by Inventor Martin T. Hovland

Martin T. Hovland 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).

  • Procedure for draining off shallow gas from the seabed and an arrangement for execution of the procedure
    Patent number: 4569618
    Abstract: The procedure for draining off shallow gas from the seabed and arrangement for execution of the procedure, whereby through the upper sedimentary layer is placed a system of vertical drainage piles (2) for gas around the site in question for location of a construction on the seabed or along a pipeline route on the seabed.The arrangement includes principally a base plate (1) with a central hole for acceptance of a drainage pile (2) after the base plate (1) has been placed on the seabed.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: February 11, 1986
    Assignee: Den Norske Stats Oljeselskap A.S.
    Inventors: Ove T. Gudmestad, Martin T. Hovland