Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157538 | Method of operating a valve | Florian Ehrne | 2015-10-13 |
| 7996107 | Device having a tool holder, a tool and a balance | Rolf Gueller, Josef Schroer, Paul Frank, Franz Metzger, Gerhard Klokow +1 more | 2011-08-09 |
| D617428 | Pipe joint | — | 2010-06-08 |
| 7635326 | Device comprising a tool holder and a removably attachable tool | Rolf Gueller, Josef Schroer, Paul Frank, Franz Metzger, Gerhard Klokow +1 more | 2009-12-22 |
| 7513857 | Device having a tool holder and a tool which can be secured removeably | Rolf Gueller, Josef Schroer, Paul Frank, Franz Metzger, Gerhard Klokow +1 more | 2009-04-07 |