Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8893723 | Method and device for removing foreign particles from a tobacco stream | Matthias Jahnke, Harry Drewes, Torsten Grigutsch, David Felts, Jeroen Erinkveld +1 more | 2014-11-25 |
| 8281931 | Apparatus and method for post-threshing inspection and sorting of tobacco lamina | Harry Drewes, Wolfgang Benz, Peter Funke, Frank Schuster, Cliff J. Leidecker +1 more | 2012-10-09 |
| 6332543 | Apparatus for converting a continuously supplied material flow into a single layer | Heiko Niehues, Torsten Koch, Renke Schlarmann, Harry Drewes | 2001-12-25 |
| 5558199 | Apparatus for forming a layer of tobacco particles | Friedemann Roether, Heiko Niehues, Uwe Leckband, Harry Drewes, Horst-Udo Christ | 1996-09-24 |