Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815535 | Method for detecting loss or undervoltage condition of phase of electric converter unit, conveyor control unit, and conveyor system | Teppo Vuorio | 2023-11-14 |
| 11697574 | Elevator | Arto Nakari | 2023-07-11 |
| 11661313 | Drive device having safety circuits using logic states for an elevator | Pasi Raassina, Pekka Hytti, Arto Nakari, Ari Kattainen, Olavi Vairio | 2023-05-30 |
| 11567138 | Method for testing a capacity of a drive rescue battery of a transportation system, software program, and testing arrangement | Teppo Vuorio | 2023-01-31 |