Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9318969 | Frequency converter with DC link capacitor and method for pre-charging the DC link capacitor | Hubert Schierling, Thomas Schwinn | 2016-04-19 |
| 9007790 | Frequency converter and method for identifying and blocking a fault current in a frequency converter | Bernd Herrmann, Hubert Schierling, Benno Weis | 2015-04-14 |
| 8873207 | Method for operating a ground fault interrupter as well as ground fault interrupter for a frequency converter | Bernd Herrmann, Hubert Schierling, Benno Weis | 2014-10-28 |
| 6835994 | Power semiconductor module | Michael Kistner, Sebastian Raith, Manfred Loddenkoetter, Reinhold Bayerer | 2004-12-28 |