Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8087293 | Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method | Jianwen Dou, Ligang Zhang | 2012-01-03 |
| 8025713 | Adjustable gas-liquid centrifugal separator and separating method | Jianwen Dou, Ligang Zhang | 2011-09-27 |