Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10721960 | Double-layered tube of the tobacco processing industry and method for producing such a tube | Alexander Buhl, Roman Piechaczek, Jan Blewonska, Stefan Knobbe, Kevin Brast +2 more | 2020-07-28 |
| 8172739 | Device for combining groups of filter segments for producing multi-segment filters of the tobacco industry, and trough drum | Sonke Horn, Thorsten Scherbarth, Stephan Wolff, Steffen Rocktaschel, Wolfgang Steiniger +3 more | 2012-05-08 |
| 7775956 | Process and apparatus for processing filter tow strip | Stephen H. Wolff, Sonke Horn, Jan Peisker | 2010-08-17 |
| 7004896 | Method and arrangement for producing compound filters | Uwe Heitmann, Sonke Horn, Nikolaos Georgitsis, Heinz-Christen Lorenzen, Steffen Rocktaschel +4 more | 2006-02-28 |