Patents by Inventor Ottar Antonsen

Ottar Antonsen 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).

  • A METHOD FOR TRIPLE TENSIONING OF A MOORING SYSTEM WITH ANCHORS ON A SEABED
    Publication number: 20250360987
    Abstract: A method for triple tensioning of a mooring system with anchors on a seabed, in where a vessel (6) comprises one or more moonpools (1) having a through running vertical channel with an upper moonpool opening in proximity to a deck of the vessel (6), and a bottom moonpool opening open to surrounding sea, said moonpool (1) comprises one or more chain stoppers (5), and the vessel (6) further comprising one or more tensioning winches (2), one or more chain handling winches (3), and one or more abandon and recovery winches (4).
    Type: Application
    Filed: June 7, 2023
    Publication date: November 27, 2025
    Inventors: Ottar ANTONSEN, Martijn DE JONGH, Lars Petter TENNFJORD
  • Method for lowering and hoisting of a load to or from an ocean floor
    Publication number: 20150217838
    Abstract: A method is described for the lowering, of a load (18) to the ocean floor from a vessel (10) that floats on the ocean surface, comprising the features: to couple a first lifting line (20) from a load holding winch (12) to the load (18), to connect a second lifting line (22) from a positioning winch (14a) to the load (18) and to adjust the positioning winch (14a) so that a fraction of the weight of the load (18) is taken up.
    Type: Application
    Filed: July 25, 2013
    Publication date: August 6, 2015
    Inventor: Ottar Antonsen
  • System for handling conventional and synthetic moorings lines, cables and the like aboard a vessel
    Publication number: 20120186506
    Abstract: A large capacity, rotating horizontal carousel for deployment and storage of synthetic rope located below the main deck of an anchor handling vessel or other vessel. The system includes a transfer system of rollers and sheaves for transferring the lines to deployment winches. According to one aspect, the system is mounted on a dedicated anchor handling vessel, but can also be adapted to mount on other vessels such as barges, cargo vessels, etc.
    Type: Application
    Filed: January 20, 2012
    Publication date: July 26, 2012
    Inventor: Ottar Antonsen
  • Device of a towing pin for guiding a cable on board a vessel
    Patent number: 7367278
    Abstract: Device for a tow pin to lead a cable, such as a chain, wire, hawser, etc., onboard a vessel, comprising a number of cylinders that can be hoisted and lowered, where each of the cylinders comprises a rotary stopping element, facing each other, to prevent that the cable runs out of the tow pin. Said stopping element can be turned outwards with the help of a piston arrangement arranged in the cylinder, and that the stopping element can be turned outwards in the whole of the working area of the tow pin.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: May 6, 2008
    Assignee: Rolls-Royce Marine AS
    Inventors: Arne Tande, Ludvig Kare Oyen, Ottar Antonsen
  • Device of a towing pin for guiding a cable on board a vessel
    Publication number: 20070069540
    Abstract: Device for a tow pin to lead a cable, such as a chain, wire, hawser, etc, onboard a vessel, comprising a number of cylinders that can be hoisted and lowered, where each of the cylinders comprises a rotary stopping element, facing each other, to prevent that the cable runs out of the tow pin. Said stopping element can be turned outwards with the help of a piston arrangement arranged in the cylinder, and that the stopping element can be turned outwards in the whole of the working area of the tow pin.
    Type: Application
    Filed: January 26, 2005
    Publication date: March 29, 2007
    Inventors: Arne Tande, Ludvig Oyen, Ottar Antonsen