Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171597 | Wind-solar hybrid power plant | Peter Steimer | 2021-11-09 |
| 11101640 | Solid-state protection for direct current networks | Li Qi, Peter Steimer, Liming Liu | 2021-08-24 |
| 11031773 | Transformer isolation response using direct current link | Chunming Yuan, Xiaobo Yang, Ritwik Majumder, Bertil Berggren, Frans Dijkhuizen | 2021-06-08 |