Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789625 | In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources | Eric Pierre de Rouffignac, Harold J. Vinegar, Charles Robert Keedy, Bruce Gerard Hunsucker | 2004-09-14 |
| 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 |