Patents by Inventor Kristian Haugaard

Kristian Haugaard 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).

  • Patent number: 4791771
    Abstract: In a frame-shaped window member (1 or 2) including a framed core (10) made from wood material and provided with a covering (11) moulded thereon, preferably polyurethane, and supporting on its side facing the open air a weather-resisting shield (12), the part (11') of the covering facing the inside air has a far larger thickness and thus a corresponding minor permeability to vapor than the adjacent covering parts (11") which fully or partly cover the remainder of the surface of the core.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: December 20, 1988
    Assignee: V. Kann Rasmussen Industri A/S
    Inventors: Kristian Haugaard, Knud E. Nissen