| 8028807 |
Remote recording of maintenance operations for an elevator or escalator installation |
Christian Bodmer |
2011-10-04 |
| 7500650 |
Safety circuit for lift doors |
Philipp Angst |
2009-03-10 |
| 7467691 |
Elevator installation, a method of operating this elevator installation, and method of modernizing an elevator installation |
Lian-Choo Lim |
2008-12-23 |
| 7353914 |
Safety system for an elevator |
— |
2008-04-08 |
| 7350625 |
Shaft door monitoring system for an elevator installation |
Philipp Angst |
2008-04-01 |
| 7350624 |
Safety system for an elevator structure |
Philipp Angst |
2008-04-01 |
| 7261186 |
Elevator with transverse flux drive |
Jörg Evertz, Thomas Eilinger |
2007-08-28 |
| 7252180 |
Situation-dependent reaction in the case of a fault in the region of a door of an elevator system |
Philipp Angst |
2007-08-07 |
| 7201256 |
Elevator installation having a virtual protection area at the bottom and/or the top of the elevator shaft, and method for controlling the same |
Philipp Angst |
2007-04-10 |
| 7140469 |
Three-dimensional monitoring in the area of an elevator by means of a three-dimensional sensor |
Elena Cortona |
2006-11-28 |
| 7117979 |
Method for preventing an inadmissibly high speed of the load receiving means of an elevator |
Philipp Angst |
2006-10-10 |
| 6988594 |
Elevator door monitoring system |
Philipp Angst |
2006-01-24 |
| 6973998 |
Door state monitoring by means of three-dimensional sensor |
Elena Cortona |
2005-12-13 |
| 6955245 |
Elevator installation comprising a number of individually propelled cars in at least three adjacent hoistways |
Thomas Dünser |
2005-10-18 |