Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174082 | Integrated detection test device for drill bit and rotary blowout preventer and detection method thereof | Yonggang Deng, Shundong Tang, Gang Wang, Wenbin Chen, Yi-Chun Tang +10 more | 2024-12-24 |
| 11481798 | Matching products with service scenarios | Dong Shen, Hanping Xiao, Tangheng Liu | 2022-10-25 |
| 11010783 | Matching products with service scenarios | Dong Shen, Hanping Xiao, Tangheng Liu | 2021-05-18 |