Patents by Inventor Jacobus H. Vercoulen

Jacobus H. Vercoulen 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).

  • Patent number: 8265539
    Abstract: A method and apparatus for cleaning an image carrier that is used for transferring a toner image onto a recording medium which includes a black image step in which a black image, i.e., an image of the entire area which is filled with toner, is formed on the image carrier and is transferred onto a cleaner that engages the image carrier for removing dust therefrom, wherein, prior to the black image step, a black page step is carried out in which a black page is printed by transferring a black image from the image carrier onto the recording medium.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: September 11, 2012
    Assignee: Oce-Technologies B.V.
    Inventors: Johan J. Zweedijk, Stanislaw K. J. Lenczowski, Jacobus H. Vercoulen
  • Publication number: 20090285598
    Abstract: A method and apparatus for cleaning an image carrier that is used for transferring a toner image onto a recording medium which includes a black image step in which a black image, i.e., an image of the entire area which is filled with toner, is formed on the image carrier and is transferred onto a cleaner that engages the image carrier for removing dust therefrom, wherein, prior to the black image step, a black page step is carried out in which a black page is printed by transferring a black image from the image carrier onto the recording medium.
    Type: Application
    Filed: May 14, 2009
    Publication date: November 19, 2009
    Inventors: Johan J. ZWEEDIJK, Stanislaw K.J. LENCZOWSKI, Jacobus H. VERCOULEN