Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6997302 | Escalator drive mechanism with failure detection and backup | Richard N. Fargo, Charles W. Darling, III, Bernward Engelke, Ernst Führing, John M. Milton-Benoit | 2006-02-14 | $25,342,000 |
| 6450316 | Escalator with step flange | Andreas Stuffel, Frank Sansevero, Richard N. Fargo, Uwe Hauer | 2002-09-17 | $62,695,000 |
| 5755315 | Handrail drive for a passenger conveyor | Knuth Wallbaum, Kurt Pietsch | 1998-05-26 | $11,635,000 |
| 5697487 | Pallet for a passenger conveyor | Bernward Engelke, Peter Borchers | 1997-12-16 | $13,041,000 |
| 5634546 | Newel guide for a handrail | Knuth Wallbaum, Bernward Engelke | 1997-06-03 | $23,387,000 |
| 5595278 | Pallet for a conveyor | Peter Borchers, Bernward Engelke | 1997-01-21 | $25,259,000 |