Patents by Inventor Carsten Sieber

Carsten Sieber 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).

  • Method and forming device for producing ring-shaped formed parts
    Patent number: 12752332
    Abstract: A method for producing an inner and an outer ring-shaped formed part from a blank includes the step of cup extrusion of the blank to form a cup having a drawn-out cup base and an adjoining stepless cup wall and the step of forming the cup wall in such a way that the formed cup wall includes an inner ring-shaped section and an adjoining outer ring-shaped section which is partly offset in an axial direction. The method further includes the step of separating the outer ring-shaped section from the inner ring-shaped section and separating the inner ring-shaped section from the drawn-out cup base, the detached outer ring-shaped section constituting the outer ring-shaped formed part and the detached inner ring-shaped section constituting the inner ring-shaped formed part.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: October 6, 2026
    Assignee: Hatebur Umformmaschinen AG
    Inventors: Carsten Sieber, Olivier Ritter
  • Method and Forming Device for Producing Ring-Shaped Formed Parts
    Publication number: 20250375810
    Abstract: A method for producing an inner and an outer ring-shaped formed part from a blank includes the step of cup extrusion of the blank to form a cup having a drawn-out cup base and an adjoining stepless cup wall and the step of forming the cup wall in such a way that the formed cup wall includes an inner ring-shaped section and an adjoining outer ring-shaped section which is partly offset in an axial direction. The method further includes the step of separating the outer ring-shaped section from the inner ring-shaped section and separating the inner ring-shaped section from the drawn-out cup base, the detached outer ring-shaped section constituting the outer ring-shaped formed part and the detached inner ring-shaped section constituting the inner ring-shaped formed part.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 11, 2025
    Inventors: Carsten Sieber, Olivier Ritter