Patents by Inventor Andreas Karolis

Andreas Karolis 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).

  • Publication number: 20230405605
    Abstract: The invention relates to a screw hub (10) for a centrifugal screw (80), said screw hub (10) having, in the longitudinal direction (R), at least one cylindrical longitudinal portion (11) and a portion (12) at the solid-discharge end, the cylindrical longitudinal portion (11) having an open wall structure (40), and the portion (2) at the solid-discharge end having an at least partly closed shape that differs from a simple conical shape.
    Type: Application
    Filed: November 9, 2021
    Publication date: December 21, 2023
    Inventors: Benno Vielhuber, Lothar Fränkel, Manfred Schlarb, Andreas Karolis