Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |