Issued Patents All Time
Showing 1–8 of 8 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 | Thorsten Scherbarth, Stephan Wolff, Gerd Strohecker, Steffen Rocktaschel, Wolfgang Steiniger +3 more | 2012-05-08 |
| 7811220 | Device for processing filter tow material, and device for the production of filters | Stephan Wolff, Joachim Glogasa, Volker Fricke, Ralf Meyer, Manfred Dallmann +1 more | 2010-10-12 |
| 7775956 | Process and apparatus for processing filter tow strip | Stephen H. Wolff, Gerd Strohecker, Jan Peisker | 2010-08-17 |
| 7318797 | Continuous rod machine arrangement for producing nonwoven filters | Alexander Buhl, Jann DeBoer, Irene Maurer, Thorsten Scherbarth, Stephan Wolff +1 more | 2008-01-15 |
| 7300394 | Method and device for producing a filter rod | Alexander Buhl, Irene Maurer, Jan Peisker, Thorsten Scherbarth, Stephan Wolff +1 more | 2007-11-27 |
| 7175580 | Wear indicator for a roller | Stephan Wolff, Stephan Peters, Harald Dittombee, Jürgen Pehmöller, Thomas Meins +4 more | 2007-02-13 |
| 7004896 | Method and arrangement for producing compound filters | Uwe Heitmann, Nikolaos Georgitsis, Heinz-Christen Lorenzen, Steffen Rocktaschel, Stephan Wolff +4 more | 2006-02-28 |
| 6918867 | Production of filter elements not suitable for cutting | Thorsten Scherbarth, Andreas Rinke, Matthias Jahnke | 2005-07-19 |