Patents by Inventor Blasius Wilhelm

Blasius Wilhelm 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).

  • 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
  • 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