Issued Patents 2020
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746779 | Fault location detection and distance protection apparatus and associated method | Hengxu Ha | 2020-08-18 |
| 10742016 | Circuit interruption apparatuses | Botong Li, Wentao Huang, Hengxu Ha | 2020-08-11 |
| 10734802 | Direct current distance protection schemes | Hengxu Ha | 2020-08-04 |
| 10727666 | Relating to direct current protection schemes | Hengxu Ha | 2020-07-28 |
| 10700508 | Protection apparatus | Hengxu Ha | 2020-06-30 |
| 10527659 | Apparatus for determination of the frequency of an electrical signal and associated methods | Hengxu Ha, Xianwu ZENG | 2020-01-07 |