Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047333 | Method and elevator installation for user selection of an elevator | — | 2011-11-01 |
| 7918318 | Method and system for modernization of an elevator installation | Paul Friedli | 2011-04-05 |
| 7546907 | Method for operating an elevator installation | — | 2009-06-16 |
| 7445090 | Device and method for elevator information display | Christian Bodmer, Steffen Grundmann, Kurt Steinmann, Philipp Wyss | 2008-11-04 |
| 7314117 | Method for achieving desired performance of an elevator installation | — | 2008-01-01 |
| 7182174 | Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system | Lorenzo Parrini, Peter Spiess, Kilian Schuster, Paul Friedli | 2007-02-27 |