Issued Patents 2018
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131520 | Method and test system for testing failure of a machinery brake of an elevator based on elevator machine oscillation | Tapio Tyni | 2018-11-20 |
| 10118798 | Monitoring condition of safety system for elevator | — | 2018-11-06 |
| 10114066 | Interface unit, conveying system and method | Antti Hovi | 2018-10-30 |
| 10099897 | Elevator having a safety chain with a series connection of safety switch arrangements | Antti Mertala, Claudio Donghi, Jouko Kinnari, Samu Salmelin | 2018-10-16 |
| 10040670 | Elevator with light curtain for monitoring door | Tapio Tyni, Jouko Kinnari | 2018-08-07 |
| 9981825 | Monitoring elevator traction rope | Antti Hovi | 2018-05-29 |
| 9884742 | Elevator safety arrangement having earth fault detection | Juha-Matti Aitamurto, Lauri Stolt | 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 | Pasi Raassina, Tapio Saarikoski, Lauri Stolt, Arto Nakari, Antti Kallioniemi | 2018-01-23 |