| 11673767 |
Elevator systems |
Sven Knuth |
2023-06-13 |
| 11414297 |
Elevator safety device |
Peter Herkel, Mustapha Toutaoui, Sven Knuth, Raphael Pecek |
2022-08-16 |
| 9637349 |
Elevator brake including coaxially aligned first and second brake members |
Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Gerard Sirigu, Olivier Dukacz, Juan Antonio Illan +2 more |
2017-05-02 |
| 8960407 |
Signal correlation for missing step detection in conveyors |
Burkhard Braasch, Ingo Engelhard, Dirk H. Tegtmeier, Peter Herkel, Frank Kirchhoff |
2015-02-24 |
| 8746413 |
Single brakeshoe test (electrical) for elevators |
Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Gerard Sirigu, Olivier Dukacz, Juan Antonio Illan +2 more |
2014-06-10 |
| 8141693 |
Combined traffic flow and maintenance information display for a passenger conveyor |
Frank Sansevero, Carla Majuntke, Scott Ashworth, Bernward Engelke, Qingdong Jiang +1 more |
2012-03-27 |
| 7568570 |
Safety monitoring system for a people conveyor |
Dietmar Thaler, Frank Sansevero, Bernward Engelke, Andreas Stuffel, Peter von Riegen +5 more |
2009-08-04 |
| 7249667 |
Traffic flow indicator for a passenger conveyor |
Frank Sansevero, Carla Majuntke, Bernward Engelke, Thomas Swyst, Alexander Mueller |
2007-07-31 |
| 6626279 |
Process for switching between main supply and a frequency inverter and vice versa for an escalator drive |
Reinhard Henkel, Stefan Spannhake, Richard Markus |
2003-09-30 |