Patents by Inventor Franz-Jurgen Brinkschroder

Franz-Jurgen Brinkschroder 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: 4082488
    Abstract: The invention relates to an apparatus for the extrusion of temperature sensitive thermoplastics to form structural rib-free semi-finished products in contra-rotating driven screws.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: April 4, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz-Jurgen Brinkschroder, Axel Sandquist, Friedrich Johannaber