Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387756 | Method and system for allocation of destination calls in elevator system | Jukka Turpeinen, Johannes De Jong | 2013-03-05 |
| 7513337 | Elevator system | Marja-Liisa Siikonen, Janne Sorsa | 2009-04-07 |
| 7258203 | Method for controlling the elevators in an elevator group | Johannes De Jong | 2007-08-21 |
| 6997288 | Floor number display at landing and in car, informative to elevator passengers | Markku Kakko, Johannes De Jong, Rauno Hatakka | 2006-02-14 |