Patents Assigned to North Marine Group
  • Patent number: 6624098
    Abstract: A sailcloth is constructed by laminating two layers of cloth together with a central layer of film. The cloth layers are oriented such that stretch resistant yarns in the layers run perpendicular to each other.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: September 23, 2003
    Assignee: North Marine Group
    Inventor: Peter Mahr
  • Patent number: 6332420
    Abstract: A sail is formed on a mold in a three dimensional fashion. The sail is a laminate having three corners. The sail includes two outer layers of film and an inner yarn structure. Yarns radiate from each corner of the sail and terminate at an edge opposite the corner. Additional secondary reinforcing elements may be added between the film layers.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: December 25, 2001
    Assignee: North Marine Group
    Inventor: John H. Rodgers
  • Patent number: 6302045
    Abstract: A triangular sail is made by laminating three triangular layers of reinforced film together on a mold to provide a one piece molded sail. Each layer is made up of a plurality of triangular pieces which radiate out of one of the three corners of the sail, such that the pieces in each layer cross in the body of the sail.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: October 16, 2001
    Assignee: North Marine Group
    Inventor: Peter Mahr