Patents by Inventor Karl-Heinz Jenak

Karl-Heinz Jenak 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).

  • Cleaning unit for cleaning a conveyor belt
    Patent number: 7471914
    Abstract: A cleaning unit is provided for cleaning of a transport belt for transport of recording media in a electrographic printer or copying device. An abration element is positioned to avoid toner located on the transport belt. A toner capture reservoir captures abraded toner.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: December 30, 2008
    Assignee: Oce Printing Systems GmbH
    Inventors: Karl-Heinz Jenak, Stefan Kreppold, Albert Eben
  • Electrophotographic device with an arrangement for transferring used toner from a cleaning station to a used toner container
    Patent number: 7054591
    Abstract: A device for the electrophotographic production of image patterns has at least one printing unit to which toner is supplied and has an arrangement for transferring used toner from a cleaning station of the printing unit to a used toner container. The arrangement for transferring can be interrupted to enable changing the used toner container without interrupting the printing operation of the device.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: May 30, 2006
    Assignee: Oce Printing Systems GmbH
    Inventors: Blasius Wilhelm, Georg Boehmer, Karl-Heinz Jenak, Joseph Knott, Peter Bremmer
  • Cleaning unit for cleaning a conveyor belt
    Publication number: 20060104659
    Abstract: A cleaning unit is provided for cleaning of a transport belt for transport of recording media in a electrographic printer or copying device. An abration element is positioned to avoid toner located on the transport belt. A toner capture reservoir captures abraded toner.
    Type: Application
    Filed: October 10, 2003
    Publication date: May 18, 2006
    Applicant: Oce Printing Systems GmbH
    Inventors: Karl-Heinz Jenak, Stefan Kreppold, Albert Eben
  • Electrophotographic apparatus having a device for toner delivery
    Patent number: 6229975
    Abstract: An apparatus for electrophotographic production of images on a printing medium, such as a printer or copier, has a printing unit fed with toner from a toner storage tank. Toner can be refilled into the tank through a closable opening without interrupting the printing operation.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: May 8, 2001
    Assignee: Øcé Printing Systems GmbH
    Inventors: Blasius Wilhelm, Georg Boehmer, Karl-Heinz Jenak, Joseph Knott, Peter Bremmer