Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337511 | Hydraulic conveying device and hydraulic system | Marco Kirchner, Michael Langer, Christian Richter | 2019-07-02 |
| 6555638 | Production of water-expandable styrene polymers | Achim Datko, Klaus Hahn | 2003-04-29 |
| 6342540 | Method for producing water expandable styrene polymers | Guiscard Glück, Klaus Hahn | 2002-01-29 |