Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Lauri Stolt, Arto Nakari, Antti Kallioniemi | 2018-01-23 |
| 9802790 | Drive device of an elevator with safety system | Ari Kattainen, Pasi Raassina, Lauri Stolt, Arto Nakari, Antti Kallioniemi | 2017-10-31 |
| 9776829 | Elevator safety arrangement with drive prevention logic | Ari Kattainen, Pasi Raassina, Lauri Stolt, Arto Nakari, Antti Kallioniemi | 2017-10-03 |
| 7942246 | Controlling an elevator with a standby mode | Jari Helvilä, Risto Jokinen | 2011-05-17 |
| 6285961 | Procedure for determining the parameters for an electric drive controlling a synchronous elevator motor with permanent magnets | Pekka Jahkonen | 2001-09-04 |
| 6164416 | Procedure and apparatus for the deceleration of an elevator | Antti Laine, Arvo Pakarinen, Jan Tull | 2000-12-26 |