Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853562 | Converter station with diode rectifier | Joerg Dorn, Thomas Hammer, Hans-Joachim Knaak, Peter Menke, Roland Schuster | 2017-12-26 |
| 9831657 | Device for switching a direct current in a pole of a DC voltage network | Hans-Joachim Knaak, Richard D. Zenger | 2017-11-28 |
| 9806532 | Method for switching an operating current | Hans-Joachim Knaak, Andreas Philipp | 2017-10-31 |
| 9705406 | Modular multi-level DC-DC converter for HVDC applications | Mark-Matthias Bakran, Hans-Joachim Knaak, Andre Schoen | 2017-07-11 |