Patents by Inventor Frans Coopman

Frans Coopman 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).

  • Steel cord reinforced plastic materials
    Patent number: 4119748
    Abstract: Reinforced plastic articles such as pipes, receptacles and sheet-like laminated structures wherein the reinforcing material comprises at least one layer of a combination of glass fibers and steel cord; processes for making same.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: October 10, 1978
    Assignee: N. V. Bekaert S.A.
    Inventors: Germain Verbauwhede, Frans Coopman