Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230927 | Methods and systems for producing fluid from an in situ conversion process | Thomas Joseph Keltner, Billy John McKinzie, II, Stephen Palmer Hirshblond | 2012-07-31 |
| 7942197 | Methods and systems for producing fluid from an in situ conversion process | Thomas Joseph Keltner, Billy John McKinzie, II, Stephen Palmer Hirshblond | 2011-05-17 |
| 7360588 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2008-04-22 |
| 7320364 | Inhibiting reflux in a heated well of an in situ conversion system | — | 2008-01-22 |
| 7121342 | Thermal processes for subsurface formations | Harold J. Vinegar, Peter Veenstra, Steven Paul Giles, Chester Ledlie Sandberg, Frederick Henry Kreisler Rambow +9 more | 2006-10-17 |