Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8379211 | Apparatus for sensing precipitation density of sludge in waste water treatment tank and method therefor | Jung-Pil Kwak, Wook Hyeon, Kyeong Sun Jeong, Yoo Jong Kim, Kyeong Joo Na | 2013-02-19 |
| 5503743 | Device for dehydrating sludge waste | — | 1996-04-02 |