Issued Patents 2018
Showing 1–3 of 3 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 | Ari Kattainen | 2018-11-20 |
| 10040670 | Elevator with light curtain for monitoring door | Ari Kattainen, Jouko Kinnari | 2018-08-07 |
| 9975730 | Method for determining the balancing weight difference in an elevator | Pekka Perälä, Riku Lampinen, Risto Jokinen | 2018-05-22 |