Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631789 | Method for braking a traction sheave elevator, and traction sheave elevator | Johannes De Jong, Esko Aulanko | 2003-10-14 |
| 6109398 | Safety gear | Esko Aulanko, Juha Tyllinen | 2000-08-29 |
| 6026936 | Sliding safety gear | Esko Aulanko, Juha Tyllinen | 2000-02-22 |