Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186464 | Method for fixing a rail bracket of an elevator system, and elevator system | Andrea Cambruzzi, Philipp Zimmerli, Raphael Bitzi, Erich Bütler | 2021-11-30 |
| 11161715 | Elevator system with discarded belt as compensation element for compensating the unladen weight of the supporting means | Andrea Cambruzzi | 2021-11-02 |
| 10928482 | Monitoring and/or recording a position of a tool in an elevator shaft | Philipp Zimmerli, Martin Kusserow | 2021-02-23 |