Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638468 | Surfactant based viscoelastic fluids | D. V. Satyanarayana Gupta, Kewei Zhang | 2009-12-29 |
| 7049436 | Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use | D. V. Satyanarayana Gupta, Anita Jerat | 2006-05-23 |