Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004247 | Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation | Anthony Thomas Cole, Fredrick Gordon Carl, Jr., John Matthew Coles, Eric Pierre de Rouffignac, Bruce Gerard Hunsucker +5 more | 2006-02-28 |
| 6769483 | In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources | Eric Pierre de Rouffignac, Harold J. Vinegar, John Michael Karanikas, James Louis Menotti, John Matthew Coles +2 more | 2004-08-03 |
| 6419423 | Method for remediating near-surface contaminated soil | Harold J. Vinegar, Eric Pierre de Rouffignac | 2002-07-16 |
| 6269876 | Electrical heater | Eric Pierre de Rouffignac, Harold J. Vinegar | 2001-08-07 |
| 5433271 | Heat injection process | Harold J. Vinegar, Eric Pierre de Rouffignac, Phillip Temmons Baxley | 1995-07-18 |
| 5411089 | Heat injection process | Harold J. Vinegar, Eric Pierre de Rouffignac, Phillip Temmons Baxley, Scott Lee Wellington | 1995-05-02 |
| 4493371 | Recovering oil by injecting aqueous alkali, cosurfactant and gas | Joseph Reisberg, David R. Thigpen | 1985-01-15 |