Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451312 | Condensing gas water heater, condensing heat exchanger and heat exchanger plate | Maohu Cai, Xiaowei Zhou | 2019-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451312 | Condensing gas water heater, condensing heat exchanger and heat exchanger plate | Maohu Cai, Xiaowei Zhou | 2019-10-22 |