Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398613 | Side door bolt-free ram blowout preventer | Jianhua Tang, Hongqi Xu, Dongliang Jiang, Weiheng Liao, Zhiming Qu +5 more | 2025-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398613 | Side door bolt-free ram blowout preventer | Jianhua Tang, Hongqi Xu, Dongliang Jiang, Weiheng Liao, Zhiming Qu +5 more | 2025-08-26 |