Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371749 | Fume exhaust assembly and gas water heater | Kiweon Kim, Sheng Liu | 2022-06-28 |
| 11293646 | Water storage tank and gas water heater | Kiweon Kim, Guorong LIANG, Sheng Liu, Guanxian Huang, Xiaowen Du +1 more | 2022-04-05 |