Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7204347 | Arrhythmic pulse sequence for sonic distance measurement | Uwe Schonauer | 2007-04-17 |
| 6591947 | Use of multi-state sensors | Herbert Horbrugger, Stefan Spannhake | 2003-07-15 |
| 6173814 | Electronic safety system for elevators having a dual redundant safety bus | Hans-Kilian Spielbauer | 2001-01-16 |
| 6170614 | Electronic overspeed governor for elevators | Uwe Schonauer | 2001-01-09 |
| 6079521 | Measuring elevator position with scanning laser beam | Uwe Schonauer | 2000-06-27 |
| 5889238 | Deceleration time for an elevator car | Christoph M. Ernecke, Gunter Blechschmidt, Alberto Vecchiotti | 1999-03-30 |
| 5831227 | Differential magnetic alignment of an elevator and a landing | Alan Matthew Finn, Jean-Noel Cloux, Jean-Pierre Pougny, Helmut Schroder-Brumloop, Armando Servia +1 more | 1998-11-03 |
| 5765664 | Elevator drive fault detector | Gunter Blechschmidt, Wolfgang Lutz Zemke | 1998-06-16 |
| 5677519 | Elevator leveling adjustment | Christoph M. Ernecke, Mustapha Toutaoui, Alberto Vecchiotti | 1997-10-14 |
| 5549179 | Cost effective control of the main switches of an elevator drive motor | Hans-Kilian Spielbauer | 1996-08-27 |
| 5260863 | Control of a discontinuous current by a thyristor rectifier with inductive load | Bernd Ackermann | 1993-11-09 |
| 5157228 | Adjusting technique for a digital elevator drive system | Bernd Ackermann, Herbert K. Horbruegger, Mustapha Toutaoui | 1992-10-20 |
| 5076399 | Elevator start control technique for reduced start jerk and acceleration overshoot | Herbert K. Horbruegger, Bernd Ackermann, Mustapha Toutaoui | 1991-12-31 |