Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226473 | SARS-COV-2 antigen polypeptide, recombinant adeno-associated virus expressing the polypeptide, and vaccine containing the virus | Zhongqiu Liu, Guochao Liao, Huapeng Li, Chao Zhang, Xiaoxiao Qi +2 more | 2025-02-18 |
| 11973340 | Direct-current transmission line protection method and system based on pure current characteristics | Huanzhang Liu, Pengfei Lv, Hong-Xi Cao, Xingguo Wang, Siye Ruan +4 more | 2024-04-30 |
| 11749985 | Method and device for timing in time-varying distance protection based on multiple lines in tower | Tianhua LI, Hong-Xi Cao, Yarong Guo, Xingguo Wang, Dingxiang Du +3 more | 2023-09-05 |
| 11742652 | Method and device for starting direct-current (DC) transmission line protection, and storage medium | Hong-Xi Cao, Huanzhang Liu, Dingxiang Du, Xingguo Wang | 2023-08-29 |
| 10985547 | Current differential protection method for self-adaptive half-wavelength line based on time-difference method | Xuming Liang, Yarong Guo, Huanzhang Liu, Xiao Li, Dingxiang Du +4 more | 2021-04-20 |
| 10778003 | Method of free wave energy protection for half-wavelength line based on one sided current | Huanzhang Liu, Dingxiang Du, Yarong Guo, Xiao Li, Xuming Liang +2 more | 2020-09-15 |
| 10605852 | Concomitant impedance protection method for half-wavelength transmission line | Dingxiang Du, Huanzhang Liu, Xuming Liang, Yarong Guo, Xingguo Wang +4 more | 2020-03-31 |
| 8740227 | Force increasing self-locking drill chuck and self-locking mechanism thereof | Guijie Li | 2014-06-03 |
| 7896356 | Drill chuck with two-stage gripping | Guijie Li | 2011-03-01 |
| 7581907 | Clamping structure for a handled tool | Guijie Li | 2009-09-01 |