Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11456660 | Grounding scheme for power conversion system | Zhihui Yuan, Stefan Schroeder, Mohamed Ahmed Abdelmohsen Hashem, Yunzheng Chen | 2022-09-27 |
| 10928450 | Circuit protection system and method | Marius Michael Mechlinski, Stefan Schroeder, Fan Zhang, Zhihui Yuan | 2021-02-23 |
| 10916947 | System and method for direct current power transmission | Zhihui Yuan, Christof Martin Sihler, Stefan Schroeder, Mark Aaron Chan Chan, Fei Xu | 2021-02-09 |
| 10732685 | System and method for operating power converters | Zhihui Yuan, Stefan Schroeder, Qingyun Chen, Nora Cheng-Huei Han | 2020-08-04 |
| 10644609 | Nestable single cell structure for use in a power conversion system | Fan Zhang, Richard S. Zhang, Kunlun Chen, Stefan Schroeder, Zhihui Yuan | 2020-05-05 |
| 10630068 | System and switch assembly thereof with fault protection and associated method | Zhihui Yuan, He Xu, Fan Zhang, Stefan Schroeder | 2020-04-21 |
| 10585134 | Method and system for locating ground faults in a network of drives | Max-Josef Kell, Stefan Schroeder, Zhihui Yuan, Yunzheng Chen, Mohamed Ahmed Abdelmohsen Hashem | 2020-03-10 |
| 10497642 | Integrated power semiconductor packaging apparatus and power converter | Saijun Mao, Bo Qu, Jingkui Shi, He Xu, Lin Lan +6 more | 2019-12-03 |
| 10476373 | Electronic apparatus and system and method for controlling series connected switch modules | Zhihui Yuan, Richard S. Zhang, Stefan Schroeder, Yingqi Zhang, Fan Zhang | 2019-11-12 |
| 10389230 | Power semiconductor device and snubber circuit thereof | Saijun Mao, Stefan Schroeder, Jingkui Shi, He Xu, Marius Michael Mechlinski +3 more | 2019-08-20 |
| 10003279 | System and method for power conversion | Bo Qu, Yingqi Zhang, Kunlun Chen, Ying Zhang | 2018-06-19 |
| 9825518 | System and method for over-current protection | Stefan Schroeder, Kunlun Chen, Laigui Qin | 2017-11-21 |
| 9755545 | System and method for unified common mode voltage injection | Qin Lei, Stefan Schroeder | 2017-09-05 |
| 9640312 | Multi-phase common mode choke | Zhihui Yuan, Xiaoting Dong, Stefan Schroeder, Konrad Roman Weeber | 2017-05-02 |
| 9634576 | System and method for unified common mode voltage injection | Stefan Schroeder, Kunlun Chen, Shuitao Yang, Bo Qu, Qin Lei | 2017-04-25 |
| 9537416 | System and method for operating power converters | Zhihui Yuan, Qingyun Chen, Stefan Schroeder | 2017-01-03 |
| 9419536 | DC power transmission systems and method of assembling the same | Piniwan Thiwanka Bandara Wijekoon, Christof Martin Sihler, Stefan Schroeder, Pierluigi Tenca | 2016-08-16 |
| 9252670 | Multilevel converter | Stefan Schroeder, Samir Soua | 2016-02-02 |
| 8604822 | Methods and apparatus for testing electric power devices | Stefan Schroeder, Cyrus David Harbourt | 2013-12-10 |
| 8441820 | DC-link voltage balancing system and method for multilevel converters | Stefan Schroeder, Robert Roesner | 2013-05-14 |
| 8395919 | Photovoltaic inverter system and method of starting same at high open-circuit voltage | Stefan Schroeder, Said Farouk Said El-Barbari, Robert Roesner | 2013-03-12 |
| 8228695 | Multilevel converter operation | Robert Roesner, Stefan Schroeder | 2012-07-24 |
| 8194375 | Open circuit voltage protection system and method | Said Farouk Said El-Barbari, Robert Roesner | 2012-06-05 |
| 8144490 | Operation of a three level converter | Said Farouk Said El-Barbari, Robert Roesner | 2012-03-27 |
| 6201985 | Segmented k-space method for three-dimensional MR imaging | Jason A. Polzin | 2001-03-13 |