Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588524 | Fiber filter production | Stephan Wolff, Thorsten Scherbarth, Soenke Horn, Alexander Buhl, Jann De Boer | 2009-09-15 |
| 7318797 | Continuous rod machine arrangement for producing nonwoven filters | Alexander Buhl, Jann DeBoer, Sonke Horn, Thorsten Scherbarth, Stephan Wolff +1 more | 2008-01-15 |
| 7300394 | Method and device for producing a filter rod | Alexander Buhl, Sonke Horn, Jan Peisker, Thorsten Scherbarth, Stephan Wolff +1 more | 2007-11-27 |
| 7261681 | Method and apparatus for applying additive to a moving, spread-out filter material web | Jürgen Pehmöller, Stephan Wolff | 2007-08-28 |