Patents by Inventor Stefan Wellendorf

Stefan Wellendorf 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).

  • Plate drum loadable as a sleeve for an imaging device
    Patent number: 7997198
    Abstract: A cylindrically-shaped tube fitting over a cylindrically-shaped base body rotatable around an axis of rotation. The tube has a cylindrically-shaped inner surface defining a hollow region, a cylindrically-shaped outer surface, a first end, and a second end. The base body is arranged to fit either a sleeve or the tube. The outer surface includes vacuum grooves or a plate clamping system or both, and arranged to secure a flexible sheet of material around the outer surface of the tube.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: August 16, 2011
    Assignee: Esko-Graphics Imaging GmbH
    Inventors: Jörg Koberg, Stefan Wellendorf, Jörg Wolterink, Pascal F. M. Thomas
  • PLATE DRUM LOADABLE AS A SLEEVE FOR AN IMAGING DEVICE
    Publication number: 20080141883
    Abstract: A cylindrically-shaped tube fitting over a cylindrically-shaped base body rotatable around an axis of rotation. The tube has a cylindrically-shaped inner surface defining a hollow region, a cylindrically-shaped outer surface, a first end, and a second end. The base body is arranged to fit either a sleeve or the tube. The outer surface includes vacuum grooves or a plate clamping system or both, and arranged to secure a flexible sheet of material around the outer surface of the tube.
    Type: Application
    Filed: October 10, 2006
    Publication date: June 19, 2008
    Inventors: Jorg Koberg, Stefan Wellendorf, Jorg Wolterink, Pascal F.M. Thomas