Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692589 | Elevator installation and a method for lubricating bearings in the elevator installation | — | 2023-07-04 |
| 9061864 | Method for operating elevators to test brakes | Erich Spirgi, Daniel Bossard, Danilo Peric, Enrique Almada, Urs Polin +2 more | 2015-06-23 |
| 8109850 | Drive pulley for elevators and method of manufacture thereof | Hanspeter Bloch | 2012-02-07 |
| 7422089 | Drive unit for an elevator | Andrzej Cholinski, Christian Luthi | 2008-09-09 |
| 6880678 | Device for carrying out work in an elevator shaft | Marcel Schneider | 2005-04-19 |
| 6691833 | Elevator without a machine room | Hans Elsener | 2004-02-17 |
| 6289727 | Elevator brake | — | 2001-09-18 |
| 6006865 | Lift installation with drive unit arranged in the lift shaft | — | 1999-12-28 |