Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230927 | Methods and systems for producing fluid from an in situ conversion process | Michael David Fairbanks, Billy John McKinzie, II, Stephen Palmer Hirshblond | 2012-07-31 |
| 7942197 | Methods and systems for producing fluid from an in situ conversion process | Michael David Fairbanks, Billy John McKinzie, II, Stephen Palmer Hirshblond | 2011-05-17 |
| 7860377 | Subsurface connection methods for subsurface heaters | Harold J. Vinegar, Ronald Marshall Bass, Dong Sub Kim, Stanley Leroy Mason, George Leo Stegemeier +1 more | 2010-12-28 |
| 7500528 | Low temperature barrier wellbores formed using water flushing | Billy John McKinzie, II | 2009-03-10 |