Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126836 | Centrifugal flotation cell with rotating feed | Jian Ding, Wan-Tai Yen | 2000-10-03 |
| 6059118 | Process for recovering fine particulates in a centrifugal flotation cell with rotating drum | Jian Ding, Wan-Tai Yen | 2000-05-09 |
| 5928125 | Centrifugal flotation cell with rotating drum | Jian Ding, Wan-Tai Yen | 1999-07-27 |
| 5914034 | Centrifugal flotation cell with rotating feed | Jian Ding, Wan-Tai Yen | 1999-06-22 |