Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11980845 | Flue gas cleaning solution purification system and method thereof | Soo-Tae Lee, Jae-Bong Sung | 2024-05-14 |
| 11193407 | Exhaust gas treatment apparatus having diffusing means | Soo-Tae Lee, Yong Sub Kim, Keun-Jae Yook, Seong-Jae Chin, Yong-ki Choi | 2021-12-07 |
| 10987621 | System and method for removing harmful gas in discharged cleaning solution of exhaust gas treatment apparatus | Soo-Tae Lee, Keun-Jae Yook, Seong-Jae Chin, In Hyeok SONG, Jae-Bong Sung | 2021-04-27 |
| 10632403 | Multicage-type apparatus for filtering ballast water for automatically controlling simultaneous reverse cleaning and method for same | Soo-Tae Lee, Tae-Sung Pyo | 2020-04-28 |
| 9993753 | High-efficiency candle-type device for filtering ballast water having high-density filter structure | Soo-Tae Lee, Tae-Sung Pyo | 2018-06-12 |
| 9776112 | Candle-type filtering device for preventing back pressure | Soo-Tae Lee, Tae-Sung Pyo | 2017-10-03 |
| 9550557 | Multicage-type device for filtering ballast water so as to prevent back pressure on backwash line | Soo-Tae Lee, Tae-Sung Pyo | 2017-01-24 |
| 9545588 | Compact and operability-enhancing multicage-type device for filtering ballast water | Soo-Tae Lee, Tae-Sung Pyo | 2017-01-17 |
| 9321657 | Apparatus for treating ballast water with ultraviolet rays, having double wiper structure | Soo-Tae Lee, Tae-Sung Pyo | 2016-04-26 |
| 9272925 | Apparatus for treating ballast water with ultraviolet rays, having square cross-section | Soo-Tae Lee, Tae-Sung Pyo | 2016-03-01 |
| 8821720 | Filtering apparatus for treating ballast water | Soo-Tae Lee, Tae-Sung Pyo | 2014-09-02 |
| 8501004 | Ballast water treatment device | Soo-Tae Lee, Tae-Sung Pyo, Sang-Gyu Cheon, Hyun Oh Kim | 2013-08-06 |
| 8502165 | Ultraviolet sterilizer having watertight function | Soo-Tae Lee, Tae-Sung Pyo | 2013-08-06 |
| 8410453 | Ultraviolet sterilizer having vibration-proof function | Soo-Tae Lee, Tae-Sung Pyo | 2013-04-02 |
| 5497365 | Laser disc player capable of playing different types of discs | — | 1996-03-05 |