Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10895154 | Base mechanism of single prop capable of being unloaded at reduced pressure | Qiang Zhang, Jixiong Zhang, Zhongya Wu, Hong YAN, Meng Li | 2021-01-19 |
| 10352167 | Process method for withdrawing and recovering mechanical constant-resistance single prop | Jixiong Zhang, Nan Zhou, Qiang Zhang, Meng Li | 2019-07-16 |
| 10113854 | Device and method for detecting wall abrasion of solid filler feeding well | Jixiong Zhang, Qiang Zhang, Peng Huang, Qiang Sun | 2018-10-30 |