Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7703579 | Positioning method in an elevator system | Tapio Tyni, Pekka Perälä, Simo Makimattila | 2010-04-27 |
| 7484598 | Positioning method in an elevator system | Tapio Tyni, Pekka Perälä, Simo Makimattila | 2009-02-03 |
| 7401685 | Elevator testing system | Olof Ahlskog | 2008-07-22 |
| 6863161 | Method and arrangement for telemonitoring an elevator to determine its need for maintenance | John Mearns, Tapio Tyni, Pekka Perälä | 2005-03-08 |
| 5435416 | Determination of the number of persons entering and leaving an elevator car | Marja-Liisa Siikonen | 1995-07-25 |
| 4742549 | Procedure for watching over the area in front of a lift | — | 1988-05-03 |
| 4679032 | Procedure and means for producing a contrast image | — | 1987-07-07 |