Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10288354 | High-efficiency plate type heat exchanger | Sung Hwan Choi, Tae-Young Kim, Hae Young Jung | 2019-05-14 |
| 10107569 | U-bend pipe type heat exchanger | Sung Hwan Choi, Tae-Young Kim, Young Hyo Jeon, Hae Young Jung | 2018-10-23 |
| 6907846 | Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal | Woo Suk Hur | 2005-06-21 |
| 6662758 | Condensing gas boiler for recollecting condensed latent heat using uptrend combustion | — | 2003-12-16 |