Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808453 | Gas mixing device and gas water heating device | Yanli Duan, Xin Cao | 2023-11-07 |
| 11761677 | Water heater having highly efficient and compact heat exchanger | Jun Xiao, Yonghua Cheng, Tingyu Li, Mohamed Mehdi Doura, Jianmin Yin | 2023-09-19 |
| 11585573 | Gas mixing device and gas water heating device | Le Zhao, Xin Cao | 2023-02-21 |
| 10823456 | Gas water heating apparatus | Yijun Xu, Maohu Cai | 2020-11-03 |
| 10712022 | Constant pressure switch apparatus and water heating system | Aiguo Wei, Chengjun Zhang | 2020-07-14 |