Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186464 | Method for fixing a rail bracket of an elevator system, and elevator system | Andrea Cambruzzi, Christian Studer, Philipp Zimmerli, Erich Bütler | 2021-11-30 |
| 11167956 | Method for mounting and alignment device for aligning a guide rail of an elevator system | Andrea Cambruzzi, Erich Bütler, Philipp Zimmerli, Philipp Renner | 2021-11-09 |
| 11130654 | System and method for determining the position of an elevator car of an elevator installation | Daniel Scherrer, Andre Ruegg, Steven Brossi | 2021-09-28 |
| 11111109 | Method and mounting device for carrying out an installation operation in an elevator shaft | Andrea Cambruzzi, Philipp Zimmerli, Erich Bütler | 2021-09-07 |