Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570744 | Separator systems for well production fluids | Jean S. Weingarten, Miroslav M. Kolpak, Scott A. Mattison, Ronald G. Oba | 1996-11-05 |
| 5431228 | Downhole gas-liquid separator for wells | Jean S. Weingarten, Miroslav M. Kolpak, Richard L. Payne | 1995-07-11 |
| 5343945 | Downholde gas/oil separation systems for wells | Jean S. Weingarten, Jeffrey Harris | 1994-09-06 |