Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776112 | Candle-type filtering device for preventing back pressure | Soo-Tae Lee, Su-Kyu Lee | 2017-10-03 |
| 9550557 | Multicage-type device for filtering ballast water so as to prevent back pressure on backwash line | Soo-Tae Lee, Su-Kyu Lee | 2017-01-24 |
| 9545588 | Compact and operability-enhancing multicage-type device for filtering ballast water | Soo-Tae Lee, Su-Kyu Lee | 2017-01-17 |