Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802790 | Drive device of an elevator with safety system | Ari Kattainen, Pasi Raassina, Tapio Saarikoski, Lauri Stolt, Arto Nakari | 2017-10-31 |
| 9776829 | Elevator safety arrangement with drive prevention logic | Ari Kattainen, Pasi Raassina, Tapio Saarikoski, Lauri Stolt, Arto Nakari | 2017-10-03 |
| 9604818 | Method for monitoring the operating condition of an elevator system on the basis of frequency component | Tuukka Kauppinen | 2017-03-28 |