Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087045 | System, machinery brake and method for controlling the machinery brake | Tuukka Korhonen | 2018-10-02 |
| 10029883 | Method for controlling an elevator | Matti Rasanen, Mika Alvesalo | 2018-07-24 |
| 9912265 | Method for controlling an alternating current electric machine, and a frequency converter | — | 2018-03-06 |
| 9884742 | Elevator safety arrangement having earth fault detection | Ari Kattainen, Juha-Matti Aitamurto | 2018-02-06 |
| 9873591 | Brake controller, elevator system and a method for performing an emergency stop with an elevator hoisting machine driven with a frequency converter | Ari Kattainen, Pasi Raassina, Tapio Saarikoski, Arto Nakari, Antti Kallioniemi | 2018-01-23 |
| 9868615 | Method and system for detecting a stall condition in an elevator | Jari Helvilä, Sakari Korvenranta, Petter MARTONEN, Petteri Valjus, Jukka LAITINEN | 2018-01-16 |