Patents by Inventor Goran K. Knutsson

Goran K. Knutsson 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).

  • Method and apparatus for making preforms from glass fiber strand material
    Patent number: 5766541
    Abstract: The present invention is directed to a method and apparatus for forming a preform from glass fiber strand material. The preform is formed by feeding continuous glass fiber strand material into a mold to form a continuous wool product in the mold; feeding a binder into the mold; compressing the mold to compact the wool product to a desired density; and heating the mold to cure the binder, such that a preform is formed having generally the shape of the compressed mold. The mold is then opened and the preform is removed from the mold.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: June 16, 1998
    Assignee: O-C Fiberglas Sweden AB
    Inventors: Goran K. Knutsson, Bengt G. Nilsson, Lennart Svensson