Patents by Inventor Hans-Guenther WACKERBAUER

Hans-Guenther WACKERBAUER 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: 11154908
    Abstract: A separating apparatus for polysilicon has at least one screen plate, comprising a feed region for polysilicon, a profiled region having peaks and valleys, a region having screen apertures which adjoins the profiled region, and a takeoff region, wherein the screen apertures widen in the direction of the takeoff region, and a separating plate which is horizontally and vertically displaceable is arranged below the screen apertures.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: October 26, 2021
    Assignee: Siltronic AG
    Inventors: Thomas Buschhardt, Simon Ehrenschwendtner, Thomas Hinterberger, Hans-Guenther Wackerbauer
  • Publication number: 20200086348
    Abstract: A separating apparatus for polysilicon has at least one screen plate, comprising a feed region for polysilicon, a profiled region having peaks and valleys, a region having screen apertures which adjoins the profiled region, and a takeoff region, wherein the screen apertures widen in the direction of the takeoff region, and a separating plate which is horizontally and vertically displaceable is arranged below the screen apertures.
    Type: Application
    Filed: July 28, 2017
    Publication date: March 19, 2020
    Applicant: SILTRONIC AG
    Inventors: Thomas BUSCHHARDT, Simon EHRENSCHWENDTNER, Thomas HINTERBERGER, Hans-Guenther WACKERBAUER