Patents by Inventor Sonja Kaufmann

Sonja Kaufmann 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).

  • Device for transporting sheets in straight printing or perfecting operation by way of tongs grippers
    Patent number: 7849794
    Abstract: A device for transporting sheets in recto or verso printing operation has tongs grippers each with upper and lower grippers. The upper gripper, or rigid gripper, that forms the gripper pad can be locked directly or indirectly in recto printing operation.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: December 14, 2010
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Karl-Heinz Helmstädter, Olaf Lorenz, Sonja Kaufmann, Wilhelm Lefken, Thomas Schmidt
  • Device for transporting sheets in straight printing or perfecting operation by way of tongs grippers
    Publication number: 20060201353
    Abstract: A device for transporting sheets in recto or verso printing operation has tongs grippers each with upper and lower grippers. The upper gripper, or rigid gripper, that forms the gripper pad can be locked directly or indirectly in recto printing operation.
    Type: Application
    Filed: March 8, 2006
    Publication date: September 14, 2006
    Inventors: Karl-Heinz Helmstadter, Olaf Lorenz, Sonja Kaufmann, Wilhelm Lefken, Thomas Schmidt