Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297228 | Method for extracting useful substances from shrimp shells | Yusen Liu | 2025-05-13 |
| 11998779 | Main valve for drawing straightway deluge valve | Shusheng Cui, Liyong Zhang | 2024-06-04 |