Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757257 | Crown-shaped separation device for separating oil and water in well | Yan Wang, Demin Wang, Rongjie Zhu, Rong Zhong, Hongyan Wang | 2014-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757257 | Crown-shaped separation device for separating oil and water in well | Yan Wang, Demin Wang, Rongjie Zhu, Rong Zhong, Hongyan Wang | 2014-06-24 |