Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |