Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676740 | Means for removing gas from a hydronic system | Chalard Bunluaphob, Prasert Buranatum | 1997-10-14 |
| 4744412 | Double-wall tube heat exchanger | Sung-Choon Kim, Howard Y. Yoon | 1988-05-17 |
| 4348794 | Double-walled finned heat transfer tube | Sung-Choon Kim | 1982-09-14 |
| 4232735 | Double-walled finned heat transfer tube | Sung-Choon Kim | 1980-11-11 |