Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154970 | Nail supply device for pneumatic nail gun | Fazheng Yang | 2021-10-26 |
| 11150232 | Laboratory device and method for simulating cement sheath consolidation in frozen soil strata | Chuanliang Yan, Yang Li, Yuanfang Cheng, Zhongying Han, Benjian Song +1 more | 2021-10-19 |
| 11110578 | Locking device on the striker of double-cylinder electric nail gun | Fazheng Yang | 2021-09-07 |
| 10954758 | Device and working method for drilling hydrate micro-borehole and performing fast completion | Chuanliang Yan, Xu Ren, Yuanfang Cheng, Zhongying Han, Yang Li +3 more | 2021-03-23 |
| 10920127 | Method for in-depth profile control and displacement of low-permeability oil reservoirs | Tianjiang Wu, Mingke Zheng, Xianwen Li, Haien Yang, Fan Tang +9 more | 2021-02-16 |