Patents by Inventor Leiv Gunnar Wanvik

Leiv Gunnar Wanvik 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).

  • Roof cover for fish farm
    Patent number: 11259507
    Abstract: A roof cover for a fish farm, in which solar cells may be arranged on the roof cover to collect solar energy, and where the roof cover is resistant to weather conditions, and where the roof cover provides a controlled environment for fish farming by protecting it from wind and weather.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: March 1, 2022
    Assignee: Unitech Offshore AS
    Inventors: Bernt Henrik Hellesøe, Gunnar William Birkeland, Leiv Gunnar Wanvik, Christine Ledergerber Hinderling, Issam Kabbani
  • Fish farm
    Patent number: 11259508
    Abstract: A fish farm with a float ring, and a net fixed to the float ring. The float is flexible and is designed with an exterior walkway and interior room for personnel. At least one door or hatch provides access between the exterior walkway and the interior room for personnel.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: March 1, 2022
    Assignee: Unitech Offshore AS
    Inventors: Bernt Henrik Hellesøe, Gunnar William Birkeland, Leiv Gunnar Wanvik
  • FISH FARM
    Publication number: 20200281169
    Abstract: A fish farm with a float ring, and a net fixed to the float ring. The float is flexible and is designed with an exterior walkway and interior room for personnel.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: Bernt Henrik HELLESØE, Gunnar William BIRKELAND, Leiv Gunnar WANVIK
  • ROOF COVER FOR FISH FARM
    Publication number: 20200281168
    Abstract: A roof cover for a fish farm, in which solar cells may be arranged on the roof cover to collect solar energy, and where the roof cover is resistant to weather conditions, and where the roof cover provides a controlled environment for fish farming by protecting it from wind and weather.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 10, 2020
    Inventors: Bernt Henrik HELLESØE, Gunnar William BIRKELAND, Leiv Gunnar WANVIK, Christine LEDERGERBER HINDERLING, Issam KABBANI
  • Dry-tree semi-submersible production and drilling unit
    Patent number: 8807874
    Abstract: A deep draft semi-submersible production and drilling platform unit with dry trees is described. The platform unit preferably comprises four columns, a ring pontoon, a two-axis symmetrical hull with draft in the range of 100 to 155 feet, top-tensioned risers with push or pull tensioners of preferred combined vertical stiffness of 10% to 30% of the platform water plane stiffness, a wellbay with a well spacing in the range of 12 to 18 feet, a riser guiding system supported by the pontoons or at an elevated level, topside facilities supported by a box type of deck structure, mooring lines, and catenary risers.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: August 19, 2014
    Assignee: Aker Solutions Inc.
    Inventors: Yijian Zeng, Leiv Gunnar Wanvik, Tao Wang, Stein Rasmussen, Renjian Lu
  • DRY-TREE SEMI-SUBMERSIBLE PRODUCTION AND DRILLING UNIT
    Publication number: 20130032076
    Abstract: A deep draft semi-submersible production and drilling platform unit with dry trees is described. The platform unit preferably comprises four columns, a ring pontoon, a two-axis symmetrical hull with draft in the range of 100 to 155 feet, top-tensioned risers with push or pull tensioners of preferred combined vertical stiffness of 10% to 30% of the platform water plane stiffness, a well-bay with a well spacing in the range of 12 to 18 feet, a riser guiding system supported by the pontoons or at an elevated level, topside facilities supported by a box type of deck structure, mooring lines, and catenary risers.
    Type: Application
    Filed: April 25, 2011
    Publication date: February 7, 2013
    Applicant: AKER SUBSEA INC.
    Inventors: Yijian Zeng, Leiv Gunnar Wanvik, Tao Wang, Stein Rasmussen, Renjian Lu