Patents by Inventor Johan M. Van der Werf

Johan M. Van der Werf 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).

  • Apparatus and process to reclaim toner from a toner/carrier mixture
    Patent number: 7706726
    Abstract: Methods of manufacturing toner for use in electrophotographic imaging members, such as photoreceptor structures. More particularly, embodiments pertain to an apparatus and process for separating toner from toner/carrier mixtures, such as reclaiming toner from waste toner, much more efficiently and with improved yields.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: April 27, 2010
    Assignee: Xerox Corporation
    Inventors: Johan M. Van der Werf, Robert Hans Buytendijk, Peter J. A. Otten, Johannes S. T. M. Gubbels, Theo Versteegen
  • Apparatus and process to reclaim toner from a toner/carrier mixture
    Publication number: 20080145104
    Abstract: Methods of manufacturing toner for use in electrophotographic imaging members, such as photoreceptor structures. More particularly, embodiments pertain to an apparatus and process for separating toner from toner/carrier mixtures, such as reclaiming toner from waste toner, much more efficiently and with improved yields.
    Type: Application
    Filed: December 13, 2006
    Publication date: June 19, 2008
    Applicant: Xerox Corporation
    Inventors: Johan M. Van der Werf, Robert Hans Buytendijk, Peter J.A. Otten, Johannes S.T.M. Gubbels, Theo Versteegen