Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802790 | Drive device of an elevator with safety system | Ari Kattainen, Pasi Raassina, Tapio Saarikoski, Arto Nakari, Antti Kallioniemi | 2017-10-31 |
| 9776829 | Elevator safety arrangement with drive prevention logic | Ari Kattainen, Pasi Raassina, Tapio Saarikoski, Arto Nakari, Antti Kallioniemi | 2017-10-03 |
| 9771242 | Inspection tests for an elevator without additional test weights | Ari Kattainen | 2017-09-26 |
| 9758342 | Determination of the movement of a synchronous machine | Tuukka Kauppinen | 2017-09-12 |
| 9731935 | Method and apparatus for controlling an electric motor of an elevator without an encoder | — | 2017-08-15 |
| 9663323 | Method and an elevator for stopping an elevator car using elevator drive | Ari Kattainen | 2017-05-30 |