| 8016097 |
Escalator linear belt handrail drive |
Andreas Stuffel, Klaus Rohrbach |
2011-09-13 |
| 7497315 |
Escalator drive system failure detection and brake activation |
Richard N. Fargo, Frank Sansevero, Markus Hame, Hermann Wiese |
2009-03-03 |
| 7222713 |
Step attachment on the step chain of an escalator |
Uwe Hauer, Andreas Stuffel, Richard N. Fargo |
2007-05-29 |
| 7168547 |
Passenger conveyor drive machine |
Dietmar Thaler, Richard N. Fargo |
2007-01-30 |
| 7140484 |
Moving flange for passenger conveyors |
Andreas Stuffel, Yangying Anne Chen |
2006-11-28 |
| 6527099 |
Belt drive back up device for escalator drive |
Joerg Ostermeier, Andreas Stuffel |
2003-03-04 |
| 6457573 |
Belt drive back up device for escalator drive |
Joerg Ostermeier, Andreas Stuffel |
2002-10-01 |
| 5566810 |
Reduction of handrail vibration in passenger conveyors |
Alfons Von Herz, Dirk Winkelhake |
1996-10-22 |
| 5542521 |
Step Platform for an escalator |
Hermann W. Ahls, Klaus Blaseck, Udo Schmitting |
1996-08-06 |
| 5381881 |
Step platform for an escalator |
Hermann W. Ahls, Klaus Blaseck, Udo Schmitting |
1995-01-17 |
| 5307920 |
Moving handrail drive |
Hermann W. Ahls, Klous Blaseck |
1994-05-03 |
| 5117960 |
Linear belt handrail drive |
Hermann W. Ahls, Olaf Wurzler |
1992-06-02 |