Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173775 | Systems and methods for hydrocarbon recovery | Ramon Elias | 2001-01-16 |
| 5984010 | Hydrocarbon recovery systems and methods | Ramon Elias | 1999-11-16 |
| 4926941 | Method of producing tar sand deposits containing conductive layers | Carlos A. Glandt, Harold J. Vinegar | 1990-05-22 |
| 4601338 | Foam and impedance-guided steam injection | Paul B. Ritter, Jr. | 1986-07-22 |
| 4282750 | Process for measuring the formation water pressure within an oil layer in a dipping reservoir | Alexander Williamson | 1981-08-11 |