Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666319 | Safety device for escalators and moving walkways | Andreas Tautz, Christian Maletzki | 2003-12-23 |
| 6520300 | Method for regulating the brake(s) of an escalator or a moving walkway | Dirk Lange, Sascha Neumann, Alexander Pietz | 2003-02-18 |
| 6273234 | Braking device and method of braking moving pavements respectively escalators | Dirk Lange | 2001-08-14 |
| 6230871 | Safety device for escalators and moving pavements | Andreas Tautz, Dirk Lange | 2001-05-15 |