Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014786 | Power control system for a battery driven elevator | Ismail Agirman, Bernd Fischer, Carlo Mezzadri | 2021-05-25 |
| 10071880 | Low profile drive unit for elevator system | Andreas Tutat, Ibrahim Ia Atalmis, Herbert Horbrugger | 2018-09-11 |
| 10035680 | Elevator safety circuit including non forced guided relay | Jochen Thomas Richter, Hebert Horbrügger, Richard F. Magda | 2018-07-31 |
| 8827042 | Elevator regenerative drive including an air core inductor | Wolfgang Lutz Zemke, Michael Mann | 2014-09-09 |
| 8631908 | Elevator system and associated method including power control for operating an elevator in an emergency mode | Helmut Lothar Schroeder-Brumloop, Ingo Engelhard, Andreas Tutat | 2014-01-21 |
| 8585158 | Safe control of a brake using low power control devices | Juergen Gewinner | 2013-11-19 |
| 7650968 | Elevator rescue operation control system including selective transformer winding energization | Robert Oesterle, Axel Friedrich | 2010-01-26 |
| 6563707 | Chassis for mounting component units of an electric switch cabinet for elevators and escalators | Hartmut Engler, Andreas Belkner, Vera Else Marta Steifa, Wolfgang Schoppa | 2003-05-13 |
| 5777280 | Calibration routine with adaptive load compensation | Burkhard Braasch, Jurgen Dieluweit, Christoph M. Ernecke, Thomas Gietzold, Alberto Vecchiotti | 1998-07-07 |