Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427911 | Damper unit for an elevator | Stephan Hess | 2019-10-01 |
| 10207897 | Sliding guide shoe for an elevator | Stephan Hess | 2019-02-19 |
| 9731937 | Adjustable roller-guide shoe | Stephan Hess | 2017-08-15 |
| 9493325 | Sliding guide shoe for an elevator | Hans Kocher, Stephan Hess | 2016-11-15 |
| 9272879 | Elevator with compensating device | Bernhard Grossrieder, Adrian Attinger, Ernst Ach, Simon Mueller | 2016-03-01 |