Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157574 | Overvoltage protector for rectifier/inverter bridges | — | 1992-10-20 |
| 5140514 | Regulation of D.C. voltage of a pulse-width modulated rectifier using spatial vectors in a stationary coodinate system | Jaakko Ollila | 1992-08-18 |
| 5091841 | Procedure for the control of frequency converter and rectifier/inverter bridges, and a modulator unit designed for implementing the procedure | — | 1992-02-25 |
| 5038244 | Device for overvoltage protection of a rectifier bridge feeding a d.c. motor and for control of the d.c. motor during emergency braking | — | 1991-08-06 |
| 5031087 | Procedure for the selection of a bridge or bridge section in a rectifier bridge unit, and a bridge selector unit designed for implementing the procedure | — | 1991-07-09 |
| 4907144 | Frequency converter and a method of applying same | — | 1990-03-06 |