Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067340 | Double pipe heat exchanger and method for manufacturing the same | Jongkang Lee, Byeongki Kang, Youngjun Kim, Jiseung Ryu | 2021-07-20 |
| 10371453 | Double pipe heat exchanger and method of manufacturing the same | Jongkang Lee, Byeongki Kang, Youngjun Kim, Jaewon Sim | 2019-08-06 |
| D819186 | Connector for double pipe heat exchanger | Sungryong Huh, Jaehyeok Choi, Youngjun Kim, Baesun Yoo | 2018-05-29 |
| 9513061 | Dual pipe for heat exchange | Jaehyeok Choi, Gukhyun Kim, Youngjun Kim | 2016-12-06 |