Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130524 | Method and apparatus for generating and injecting reactive power into an electrical AC power grid system using an inverter | — | 2000-10-10 |
| 5625542 | Low-noise operation of a machine fed by a pulse inverter | Thomas Eilinger | 1997-04-29 |
| 5544035 | Converter arrangement having a low-inductance commutation circuit | Conrad Beriger, Horst Gruning, Johannes Werninger | 1996-08-06 |
| 5235503 | Process and device for eliminating or reducing harmonics and/or resonance oscillations | Peter Steimer, Bjorn Odegard | 1993-08-10 |
| 5164893 | Low inductance GTO switching circuit for an inverter | Hansueli Luscher | 1992-11-17 |
| 4951187 | Method for controlling a three-phase inverter | — | 1990-08-21 |
| 4680531 | Method for attenuating at least one electric harmonic of the system frequency in a multi-phase alternating-current system | Antoine Rey | 1987-07-14 |
| 4647837 | Reactive-power compensator for compensating a reactive-current component in an alternating-voltage system | — | 1987-03-03 |
| 4639846 | Method and compensating device for compensating current oscillations | Peter Dahler, Peter Neidhart, Kadry Sadek | 1987-01-27 |
| 4553197 | Converter with fast-acting overvoltage protection | — | 1985-11-12 |
| 4488121 | Method and apparatus for amplifying an analog low-frequency signal by a switching amplifier | Andreas Furrer, Vaclau Mertl, Johann Milavec | 1984-12-11 |
| 4236108 | Variable phase-shifting transformer network | — | 1980-11-25 |