Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535990 | Two-stage energy dissipation type shed tunnel support structure connected by principle of Dougong and a design method thereof | Zhixiang Yu, Liru Luo, Linxu Liao, Yuntao Jin, Lijun Zhang +3 more | 2022-12-27 |
| 11414821 | Expandable modular energy-dissipation protection net unit group and protection net system formed by the same | Zhixiang Yu, Liru Luo, Yuntao Jin, Liping Guo, Hu Xu +2 more | 2022-08-16 |
| 11284209 | Internally welded ANC Bluetooth headset speaker | Congdong Sha, Zhigang Wang, Yuanyuan She, Feng Zhang | 2022-03-22 |
| 11262229 | Instrument calibration device and calibration method using same | Lijun Dong, Baoqi Liu | 2022-03-01 |