Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8401409 | Method and arrangement for inking up an applicator element of an electrophotographic printer or copier | Uwe Höllig | 2013-03-19 |
| 7974554 | Method for imprinting a recording medium | — | 2011-07-05 |
| 7546070 | Arrangement and method for inking an applicator element of an electrophotographic printer or copier | Uwe Höllig | 2009-06-09 |
| 7471907 | Device and method for electrophoretic liquid development | Martin Berg, Volkhard Maess | 2008-12-30 |
| 7463851 | Device and method for electrophoretic liquid development | Martin Berg, Volkhard Maess | 2008-12-09 |
| 7201102 | Method and printer device for transferring printing fluid onto a carrier material as well as appertaining printing drum | Manfred Wiedemer, Martin Berg | 2007-04-10 |
| 7020420 | Device and method for electrographically printing or copying using liquid inks | Martin Berg, Volkhard Maess | 2006-03-28 |
| 6987575 | Printing device which operates with at least three brightness steps and methods to be executed therewith for determining printing parameters | Volkhard Maess | 2006-01-17 |
| 6876833 | Device and method for cleaning and for regenerating an image carrier during electrographic printing or copying by using liquid ink | Martin Berg, Volkhard Maess | 2005-04-05 |
| 6833852 | Printing methods which are dependent on attributes of the printed image support and corresponding printing devices | Volkhard Maess | 2004-12-21 |
| 6799009 | Applicator element and method for electrographic printing or copying using liquid coloring agents | Martin Berg, Volkhard Maess | 2004-09-28 |
| 6507714 | Method for the improved electrographic printing of image details and printing device which operates according to this method | Volkhard Maess | 2003-01-14 |
| 6433804 | Method for printing by using a multilevel character generator and printing device | Volkhard Maess | 2002-08-13 |
| 6377768 | Device and method for inking a charge pattern using a toner spraying device | Jean Philippe Hulin, Manfred Muenz, Manfred Wiedemer | 2002-04-23 |
| 6278855 | Multicolor electrophotographic printing device with bipolar toner | Volkhard Maess | 2001-08-21 |
| 6253040 | Operational method for an electrographic printer or copier | Walter Kopp, Reinhard Apel | 2001-06-26 |
| 6253054 | Modular electrophotographic multicolor printer | Volkhard Maess | 2001-06-26 |
| 6205311 | Method of multicolor electrophotographic printing with unipolar toner | Volkhard Maess | 2001-03-20 |
| 6201595 | Modular electrophotographic color printer | Volkhard Maess | 2001-03-13 |
| 6175697 | Method and apparatus for image development in an electrographic printer or copier | Walter Kopp, Reinhard Apel | 2001-01-16 |
| 6167210 | Method and apparatus for optimizing a charge image on a photoconductor of a copier or printer | Volkhard Maess | 2000-12-26 |
| 6162570 | Electrophotographic printing process for printing a carrier | Volkhard Maess | 2000-12-19 |
| 6148160 | Developer apparatus having mass sensor for an electrographic printer or copier | Vokhard Maess, Reinhard Apel | 2000-11-14 |
| 6081677 | Process for optimizing a half-tone reproduction on a photoconductor of electrophotographic printers and copiers | Volkhard Maess | 2000-06-27 |
| 5767888 | Process and arrangement for generating high-quality matrix print using electrophotographic printing equipment | Volkhard Maess, Edward Morris | 1998-06-16 |