Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224755 | Coffee maker | Stefan Schamberg, Bernd Trebitz, Christof Kleemann, Georges Driesen, Klaus Amsel | 2001-05-01 |
| 6189438 | Filtering device, filter element and method of manufacturing the filter element used for the preparation of brewed beverages | Uwe Bielfeldt, Christof Kleemann, Bernd Trebitz, Horst Emmerich, Dieter Friedrich +2 more | 2001-02-20 |
| D424369 | Filter paper | Uwe Bielfeldt, Christof Kleemann, Bernd Trebitz, Horst Emmerich, Dieter Friedrich +2 more | 2000-05-09 |
| 6006655 | Coffee machine and filter element therefor | Uwe Bielfeldt, Andreas Birk, Christof Kleemann, Bernd Trebitz | 1999-12-28 |