Patents by Inventor Sjaak Jan Jiskoot

Sjaak Jan Jiskoot 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).

  • Self-propelled jack-up vessel
    Patent number: 11142290
    Abstract: A self-propelled jack-up vessel has a centreline extending from a bow end to a stern end of the vessel along a central longitudinal axis, defining port and starboard sides of the vessel. The vessel comprises a hull, a deck and four retractable legs, which extend through the hull and the deck. The vessel includes a bow leg arranged on the centreline towards the bow, a stern leg arranged on the centreline towards the stern, and a starboard leg arranged at the starboard side. The diagonal placement of the legs, with respect to the centreline gives greater stability and flexibility. Further, a vessel is provided having a cruciform primary structural arrangement.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: October 12, 2021
    Assignees: Ulstein Design & Solutions B.V., SeaOwls B.V.
    Inventors: Jacobus Dingeman Stroo, Sjaak Jan Jiskoot, Erik Jacobus Bernardus Snijders
  • SELF-PROPELLED JACK-UP VESSEL
    Publication number: 20190322338
    Abstract: A self-propelled jack-up vessel has a centreline extending from a bow end to a stern end of the vessel along a central longitudinal axis, defining port and starboard sides of the vessel. The vessel comprises a hull, a deck and four retractable legs, which extend through the hull and the deck. The vessel includes a bow leg arranged on the centreline towards the bow, a stern leg arranged on the centreline towards the stern, and a starboard leg arranged at the starboard side. The diagonal placement of the legs, with respect to the centreline gives greater stability and flexibility. Further, a vessel is provided having a cruciform primary structural arrangement.
    Type: Application
    Filed: October 18, 2017
    Publication date: October 24, 2019
    Applicants: Ulstein Design & Solutions B.V., SeaOwls B.V.
    Inventors: Jacobus Dingeman Stroo, Sjaak Jan Jiskoot, Erik Jacobus Bernardus Snijders