Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247119 | Emulsion composition, polystyrene nano-fiber, polystyrene nano-fiber product, preparation method, and use thereof | Tao Zhang, Haoguan Gui | 2025-03-11 |
| 9266155 | Super large diameter longitudinal welded pipe forming machine set | Li Ma, Zhaokui Lang | 2016-02-23 |
| 9266161 | Production line of large diameter longitudinal welded pipe | Li Ma, Zhaokui Lang | 2016-02-23 |