Patents by Inventor Sverre Herstad

Sverre Herstad 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).

  • Vessel for production and/or loading/unloading and transport of hydrocarbons from offshore fields, and/or for carrying out well operations
    Patent number: 5749758
    Abstract: A vessel for use in offshore production or transport of hydrocarbons, and/or for loading/unloading of hydrocarbons, and/or for carrying out well operations. The vessel at its forward end is equipped with a submerged receiving space for receiving a bottom-anchored underwater buoy. A service shaft extends between the receiving space and the deck of the vessel. At the stern of the vessel, a coupling head is provided along with equipment for the connection of a hose for loading and unloading of oil.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: May 12, 1998
    Assignee: Den Norske Stats Oljeselskap A.S., I & K Patent
    Inventors: K.ang.re Breivik, Trygve G. Egge, Sverre Herstad