Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296671 | Drive system for escalators or moving walkways | — | 2007-11-20 |
| 7077257 | Drive system for reducing the polygon effect in continuous drive chains of escalators or moving walkways | — | 2006-07-18 |
| 6988608 | Drive system for escalators and pedestrian conveyors | — | 2006-01-24 |
| 6892874 | Method and device for reducing the polygon effect in the reversing area of pedestrian conveyor system | — | 2005-05-17 |
| 6874613 | Drive device for escalators or moving walkways | — | 2005-04-05 |
| 6848805 | Illumination device for pedestrian conveyor systems | — | 2005-02-01 |
| 6834754 | Method for guiding a link plate chain in an area of a reversing device of a pedestrian conveyor system | — | 2004-12-28 |
| 6637579 | Method and device for reducing the polygon effect in the reversing area of pedestrian coveyor systems | — | 2003-10-28 |
| 6520300 | Method for regulating the brake(s) of an escalator or a moving walkway | Ludwig Balzer-Apke, Dirk Lange, Sascha Neumann | 2003-02-18 |