Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379359 | Methods, apparatuses, and systems for calibrating gas detecting apparatuses | Xiangcai He, Li Liu, Yong-Fa Wang | 2025-08-05 |
| 12313610 | Method and system for calibrating a gas detector | Jianli Liu, Li Liu | 2025-05-27 |