Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994204 | Device for heating escalators or moving walkways | Hans Kleine-Brueggeney | 2006-02-07 |
| 5992604 | Switching arrangement for returning a people-conveying device to a state of readiness | Christian Maletzki, Dirk Lange, Andreas Tautz | 1999-11-30 |