Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11990834 | Method for phase-separated overcurrent protection of a three-phase bridge circuit | Stephan Engelhardt | 2024-05-21 |
| 10090680 | High accuracy mains filter monitoring for a multi-phase power system | Dirk Volker Leiting, Jan Christopher van Leyen, Stephan Engelhardt | 2018-10-02 |
| 8264209 | Method of and apparatus for operating a double-fed asynchronous machine in the event of transient mains voltage changes | — | 2012-09-11 |