Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197540 | Method of making a brush and brush | Uwe Tretrop, Jiawei Chiu | 2021-12-14 |
| 9402461 | Head for an oral care implement | Andreas Brik, Armin Tschol | 2016-08-02 |
| 9119462 | Oral cleaning implement having a plastic staple comprising a cavity | Frank Gliemroth, Nadine Rosenberger, Olena Uhl, Jochen Kawerau | 2015-09-01 |
| 9089202 | Brush head and method and tool for producing the same | Michael Vankov, Jochen Kawerau | 2015-07-28 |
| 6820941 | Clamping devices | Michael Vankov, Bernd Stein, Christian Stief, Uwe Tretrop | 2004-11-23 |
| 5711880 | Filtering means for the filtration of extraction beverages, in particular espresso | Dieter Friedrich, Gunther Seidel, Rolf Eimecke, Dieter Koch, Christof Miltenberger +1 more | 1998-01-27 |