Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11993487 | Maintenance method of an elevator component | Markku Haapaniemi, Ari Kattainen, Matti Rasanen, Antti Hovi, Petteri Valjus | 2024-05-28 |
| 11511969 | Method, an elevator safety control unit, and an elevator system for defining a condition of an elevator car suspension means | Ari Kattainen, Petteri Valjus, Andrew Jahn | 2022-11-29 |