Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067340 | Double pipe heat exchanger and method for manufacturing the same | Byeongki Kang, Deokhyun Lim, Youngjun Kim, Jiseung Ryu | 2021-07-20 |
| 10371453 | Double pipe heat exchanger and method of manufacturing the same | Byeongki Kang, Deokhyun Lim, Youngjun Kim, Jaewon Sim | 2019-08-06 |