Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399891 | Drilling system having slot for underwater storage of BOP assembly | You-Won Ahn, Young-Chul Lee, Bum-Serk Chae, Je-Jin Jang | 2016-07-26 |
| 9027492 | Drillship having vortex suppresion block with recessed flow stabilizing section in moon pool | Sang-Bong Lee, Kang Hoon Lee, You-Won Ann, Seok CHUNG, Yong-Kwan Chung +1 more | 2015-05-12 |
| 5826437 | Refrigeration for discharging cool air from a door | — | 1998-10-27 |
| 4724104 | Humidifier provided with a purifier | — | 1988-02-09 |