Patents by Inventor Steffen Flotow

Steffen Flotow 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).

  • Sheet guide device in a rotary printing machine
    Patent number: 6729233
    Abstract: A sheet guide apparatus for use in a rotary printing press which is adapted for the smear and mark free transfer of sheets between two sheet holding and transfer systems, such as a pair of sheet-carrying cylinders or a sheet-carrying cylinder and circulating sheet conveyor. The sheet guide apparatus includes a sheet guide having a guide surface disposed beneath the transfer area, and a pneumatic system for blowing a positive pressure air stream in the direction of a transfer area or tangent point between the sheet holding and transfer systems. A further pneumatic system optionally may be provided for drawing or blowing air through apertures in the guide surface.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: May 4, 2004
    Assignee: MAN Roland Druckmaschinen AG
    Inventors: Lucas Knopp, Peter Wulf, Frank Seidel, Steffen Flotow, Udo Trillig
  • Sheet guide device in a rotary printing machine
    Publication number: 20020069775
    Abstract: A sheet guide apparatus for use in a rotary printing press which is adapted for the smear and mark free transfer of sheets between two sheet holding and transfer systems, such as a pair of sheet-carrying cylinders or a sheet-carrying cylinder and circulating sheet conveyor. The sheet guide apparatus includes a sheet guide having a guide surface disposed beneath the transfer area, and a pneumatic system for blowing a positive pressure air stream in the direction of a transfer area or tangent point between the sheet holding and transfer systems. A further pneumatic system optionally may be provided for drawing or blowing air through apertures in the guide surface.
    Type: Application
    Filed: December 4, 2001
    Publication date: June 13, 2002
    Applicant: MAN Roland Druckmaschinen AG
    Inventors: Lucas Knopp, Peter Wulf, Frank Seidel, Steffen Flotow, Udo Trillig