Patents by Inventor Siegfried Fiebig

Siegfried Fiebig 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).

  • Cover layer material on a basis of matting or fabric
    Patent number: 4784897
    Abstract: The invention relates to a cover layer material on a basis of matting or fabric for the production of boards made of fluid or fluid-containing starting components and provided with cover layers, especially for the production of gypsum boards and polyurethane (PU) hard foam boards and their use in a continuous board producing apparatus.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: November 15, 1988
    Assignee: Fiebig & Schillings GmbH
    Inventors: Heinrich Brands, Siegfried Fiebig, Hans Schillings