Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11639890 | Protection device of oil-smoke sensor | Qinlong Xu, Zhongqun Mao, Yongding Zhu, Ge Liu | 2023-05-02 |
| 10871442 | Protective structure of oil smoke sensor | Qinlong Xu, Zhongqun Mao, Yongding Zhu, Ge Liu | 2020-12-22 |