Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172739 | Device for combining groups of filter segments for producing multi-segment filters of the tobacco industry, and trough drum | Sonke Horn, Stephan Wolff, Gerd Strohecker, Steffen Rocktaschel, Wolfgang Steiniger +3 more | 2012-05-08 |
| 7588524 | Fiber filter production | Stephan Wolff, Soenke Horn, Irene Maurer, Alexander Buhl, Jann De Boer | 2009-09-15 |
| 7318797 | Continuous rod machine arrangement for producing nonwoven filters | Alexander Buhl, Jann DeBoer, Sonke Horn, Irene Maurer, Stephan Wolff +1 more | 2008-01-15 |
| 7300394 | Method and device for producing a filter rod | Alexander Buhl, Sonke Horn, Irene Maurer, Jan Peisker, Stephan Wolff +1 more | 2007-11-27 |
| 6918867 | Production of filter elements not suitable for cutting | Sonke Horn, Andreas Rinke, Matthias Jahnke | 2005-07-19 |