Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316242 | Submodule as a hybrid cell for a modular multilevel converter | Viktor Hofmann, Sebastian Semmler | 2025-05-27 |
| 12088283 | Actively tracking switching speed control and regulating switching speed of a power transistor during turn-on | Zheming Li, Daniel Domes, Robert Maier, Franz-Josef Niedernostheide | 2024-09-10 |
| 11876509 | Gate control method of MOS-gated power device | Guang Zeng, Franz-Josef Niedernostheide, Zheming Li | 2024-01-16 |
| 11843368 | Method for reducing oscillation during turn on of a power transistor by regulating the gate switching speed control of its complementary power transistor | Zheming Li, Daniel Domes, Robert Maier, Franz-Josef Niedernostheide | 2023-12-12 |
| 11777420 | Submodule as a parallel serial full bridge for a modular multilevel converter | Viktor Hofmann, Sebastian Semmler | 2023-10-03 |
| 11770119 | Actively tracking switching speed control and regulating switching speed of a power transistor during turn-on | Zheming Li, Daniel Domes, Robert Maier, Franz-Josef Niedernostheide | 2023-09-26 |
| 11595035 | Method for reducing oscillation during turn on of a power transistor by regulating the gate switching speed control of its complementary power transistor | Zheming Li, Daniel Domes, Robert Maier, Franz-Josef Niedernostheide | 2023-02-28 |
| 11480605 | Method and apparatus for detecting ageing of a power electronic apparatus comprising a semiconductor component, and power electronic system | Marco Denk | 2022-10-25 |
| 11444613 | Actively tracking switching speed control and regulating switching speed of a power transistor during turn-on | Zheming Li, Daniel Domes, Robert Maier, Franz-Josef Niedernostheide | 2022-09-13 |
| 11424688 | Modular power converter | JÜRGEN BÖHMER, MARTIN HELSPER, Eberhard Ulrich Krafft, Bernd Laska, Andreas Nagel +2 more | 2022-08-23 |
| 11411511 | Switchable longitudinal voltage source, direct current transmission system with longitudinal voltage source and method for operating a longitudinal voltage source | Viktor Hofmann, Andre Schoen | 2022-08-09 |
| 11290102 | Protection of a field-effect transistor, which is operated in a switching mode, against an overload current | Andreas März | 2022-03-29 |
| 11031929 | Actively tracking switching speed control of a power transistor | Robert Maier, Daniel Domes, Zheming Li, Franz-Josef Niedernostheide | 2021-06-08 |
| 10819268 | Driving device comprising a transformer function, driving system and method for operating a driving device | Marco Denk | 2020-10-27 |
| 10778087 | Method and switching arrangement for changing a switching state of a switching half-bridge | Andreas März | 2020-09-15 |
| 10714939 | Longitudinal voltage source and direct current transmission system with a longitudinal voltage source | Viktor Hofmann | 2020-07-14 |
| 10491139 | Converter assembly and method for operating same | Viktor Hofmann, Andre Schoen | 2019-11-26 |
| 10254327 | Method and device for short circuit detection in power semiconductor switches | Anton Mauder, Stefan Hain | 2019-04-09 |
| 9882371 | Direct current voltage switch for switching a direct current in a branch of a direct current voltage network node | — | 2018-01-30 |
| 9829534 | Device and method for monitoring a power semiconductor switch | — | 2017-11-28 |
| 9748848 | Modular multilevel DC/DC converter for HVDC applications | Hans-Joachim Knaak, Andre Schoen | 2017-08-29 |
| 9705406 | Modular multi-level DC-DC converter for HVDC applications | Dominik Ergin, Hans-Joachim Knaak, Andre Schoen | 2017-07-11 |
| 8188807 | Attenuation element | Andreas Holweck | 2012-05-29 |
| 7582939 | Semiconductor diode, electronic component and voltage source inverter | Hans-Günter Eckel | 2009-09-01 |
| 7480160 | Traction converter having a line-side four-quadrant controller, and method therefor | Hans-Günter Eckel | 2009-01-20 |