Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835242 | Hot water supplying apparatus and method for utilizing waste heat of hot water supplying apparatus | Hyuk Choi, Jung Keom Kim | 2023-12-05 |
| 11473787 | Boiler for heating and hot-water control method therefor | Yong Song, Si-Hwan Kim | 2022-10-18 |
| 11149870 | Recirculation valve and hot water recirculation system using the same | Seung Kil Son, Soon Ki Kim | 2021-10-19 |