Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235194 | Coring device | Tao-Cheng Lu, Lin Huang, Zanqing Wei, Tiemin Liu, Yongren Feng +2 more | 2025-02-25 |
| 12025159 | Hydraulic power system for downhole device and downhole device | Yongren Feng, Tao-Cheng Lu, Lin Huang, Tiemin Liu, Zanqing Wei +4 more | 2024-07-02 |
| 12012816 | Core detection device of coring instrument and spacer insertion device | Lin Huang, Zanqing Wei, Shusheng Guo, Yongren Feng, Xingfang Wu +7 more | 2024-06-18 |
| 11905829 | Integrated logging instrument for coring and sampling | Tao-Cheng Lu, Yongren Feng, Changgui XU, Xiaofei Qin, Minggao Zhou +5 more | 2024-02-20 |
| 11788405 | Downhole oil level detection device | Zanqing Wei, Lin Huang, Xiaoqiang Du, Yongren Feng, Bin Gao +4 more | 2023-10-17 |
| 11739603 | Core detection device of coring instrument | Lin Huang, Zanqing Wei, Shusheng Guo, Yongren Feng, Xingfang Wu +7 more | 2023-08-29 |
| 11028658 | Horizontal-to-vertical drilling module for deep well | Yongren Feng, Jibin Zou, Tiemin Liu, Xingfang Wu, Xiaodong Chu +4 more | 2021-06-08 |
| 10547248 | Rectifier circuit and dimmer circuit | Junshan Lou, Jinxiang Shen | 2020-01-28 |
| 10236667 | Wire follow-up protection structure of electric reducer | Yongren Feng, Tiemin Liu, Liping Liu, Xiaodong Chu, Zanqing Wei +2 more | 2019-03-19 |
| 10045419 | Color-temperature adjustable LED lightning device and method for adjusting color temperature of LED lighting device | Mingshuai Wang, Zhenfeng Ding, Jinxiang Shen | 2018-08-07 |
| 10018038 | Drilling type sidewall coring apparatus | Yongren Feng, Tao-Cheng Lu, Liping Liu, Guiqing Hao, Wenquan Zhang +4 more | 2018-07-10 |
| 9717122 | Dimming circuit and dimming system suitable for SCR dimmer circuit | Junshan Lou, Chaoqun Sun, Jinxiang Shen | 2017-07-25 |
| 9266781 | Nano complex oxide doped dielectric ceramic material, preparation method thereof and multilayer ceramic capacitors made from the same | Xiaohui Wang, Tian Wang, Longtu Li | 2016-02-23 |