Patents Assigned to Hydralift Marine AS
  • Double mooring bollard
    Patent number: 6283453
    Abstract: A double mooring bollard fo the contra rotating, mechanically driven type is provided for ship and offshore installations. The mooring bollard includes first and second fixed mooring bollards, at least one of which includes a motor and a centrally located driving axle thereinside. An outer cylinder is rotably provided on the outside of each fixed bollard with an upper end therof arranged for coupling to the driving axle.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: September 4, 2001
    Assignee: Hydralift Marine AS
    Inventor: John Arve Berget