Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247858 | Pumpjack production well including a cylindrical venturi fluid sensor and capacitive flow sensor | John H. Benton, Eugene Sisto, Ricardo P. Quintanilla, Robert D. Valtierra | 2025-03-11 |
| 12173587 | Oil recovery tool and system | John H. Benton, Robert D. Valtierra, Eugene Sisto, Ricardo P. Quintanilla, Kenneth Wittlief | 2024-12-24 |
| 11906336 | Pumpjack production well including venturi fluid sensor and capacitive flow sensor | Robert D. Valtierra, Eugene Sisto, John H. Benton, Ricardo P. Quintanilla | 2024-02-20 |
| 11821293 | Oil recovery tool and system | Robert D. Valtierra, Eugene Sisto, John H. Benton, Ricardo P. Quintanilla, Kenneth Wittlief | 2023-11-21 |
| 11346186 | Oil recovery tool and system | Robert D. Valtierra, Eugene Sisto | 2022-05-31 |