Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186464 | Method for fixing a rail bracket of an elevator system, and elevator system | Christian Studer, Philipp Zimmerli, Raphael Bitzi, Erich Bütler | 2021-11-30 |
| 11167956 | Method for mounting and alignment device for aligning a guide rail of an elevator system | Erich Bütler, Philipp Zimmerli, Raphael Bitzi, Philipp Renner | 2021-11-09 |
| 11161715 | Elevator system with discarded belt as compensation element for compensating the unladen weight of the supporting means | Christian Studer | 2021-11-02 |
| 11111109 | Method and mounting device for carrying out an installation operation in an elevator shaft | Philipp Zimmerli, Raphael Bitzi, Erich Bütler | 2021-09-07 |