Patents by Inventor Wayne Werstiuk

Wayne Werstiuk 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).

  • Pultrusion Apparatus and Method
    Publication number: 20090071593
    Abstract: A method and apparatus for pultrusion of polyurethane resin is provided. The method comprises impregnating fibres with polyurethane resin to produce polyurethane impregnated fibres, and then pulling the polyurethane impregnated fibres through a pultrusion die. The pultrusion die defines a pultrusion path with a heated reaction zone of from about 20 to about 60 cm in length. The apparatus comprises a pultrusion die in combination with a polyurethane resin, the pultrusion die comprising, a body defining a pultrusion path with a heated reaction zone from about 20 to about 60 cm in length.
    Type: Application
    Filed: March 22, 2007
    Publication date: March 19, 2009
    Applicant: RESIN SYSTEMS, INC
    Inventors: David Slaback, Wayne Werstiuk