Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10742135 | Energy recovery rectifier device | Hubert Schierling | 2020-08-11 |
| 7622825 | Wide-voltage-range converter | Richard Brune | 2009-11-24 |
| 7415072 | Drive control for an electric drive with a secure electrical separation of power element and control element | Susanne Gaksch, Peter Heidrich, Franz Imrich, Peter Jänicke | 2008-08-19 |
| 6084791 | Control system for supply recovery of energy from a three-phase network into a converter with a variable voltage link | — | 2000-07-04 |
| 6075425 | Damping filter arrangement for converters having a regulated voltage source and sinusoidal phase currents | Manfred Karasek | 2000-06-13 |
| 5905643 | Method and circuit arrangement for shaping a.c. voltage | Olaf Hadrich | 1999-05-18 |