Patents by Inventor Joachim Koberstein

Joachim Koberstein 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: 8919753
    Abstract: A spring plate, especially for a MacPherson strut unit, having an axial support surface for the final turn of a helical spring. The helical spring is centered by radial centering surfaces in the area of the circumferential contour of the final turn. The centering surface is divided into individual, partial centering surfaces, which come to rest against the circumferential contour of the helical spring.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: December 30, 2014
    Assignee: ZH Friedrichshafen AG
    Inventors: Bruno Deigner, Günther Handke, Frank Hassmann, Jörg Hermes, Joachim Koberstein, Alexander Miller, Jörg Pagel, Josef Renn, Manfred Schuler, Klaus Stretz, Andreas Zietsch, Gottfried Zimmermann
  • Publication number: 20060061025
    Abstract: A spring plate, especially for a MacPherson strut unit, having an axial support surface for the final turn of a helical spring. The helical spring is centered by radial centering surfaces in the area of the circumferential contour of the final turn. The centering surface is divided into individual, partial centering surfaces, which come to rest against the circumferential contour of the helical spring.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 23, 2006
    Inventors: Bruno Deigner, Gunther Handke, Frank Hassmann, Jorg Hermes, Joachim Koberstein, Alexander Miller, Jorg Pagel, Josef Renn, Manfred Schuler, Klaus Stretz, Andreas Zietsch, Gottfried Zimmermann