Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10769867 | Method for maintenance of a transportation device, software program, and controller | Matti Mustonen | 2020-09-08 |
| 10472203 | Method and apparatus for automatic determination of elevator drive configuration | Ari Kattainen | 2019-11-12 |
| 10202257 | Method and system for increasing the availability of an elevator standing unused at a landing | Pasi Raassina | 2019-02-12 |
| 9604819 | Elevator monitoring arrangement configured to monitor operation of a safety device of an elevator, a controller and method for performing same | Ari Kattainen, Pekka Hytti | 2017-03-28 |
| 8235180 | Elevator system with a brake control circuit using a controllable switch switched with short pulses | Ari Kattainen | 2012-08-07 |
| 8205721 | Arrangement and method for controlling the brake of an elevator using different brake current references with different operation delays | Tuukka Korhonen, Asmo Tenhunen, Petri Alkula, Mika Olkkonen, Jussi Huppunen | 2012-06-26 |
| 8177033 | Transportation system with capacitive energy storage and non-volatile memory for storing the operational state of the transportation system upon detection of the operational anomaly in power | Tuukka Kauppinen, Pekka Hytti | 2012-05-15 |
| 7339343 | Method for correcting speed feedback in a motor | — | 2008-03-04 |
| 6515444 | Method for controlling a current-regulated motor | Pekka Jahkonen, Ekso Aulanko | 2003-02-04 |