Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297355 | Using heat from produced fluids of oil and gas operations to produce energy | Walt D. Hamilton, John David Penton, Timothy M. Veale, Jerry Lomax, David W. Bowers +3 more | 2012-10-30 |
| 6247917 | Flue gas recirculation system | Eric L. Berger, Thomas J. Rankin | 2001-06-19 |
| 6095792 | Flue gas recirculation system and method | Eric L. Berger, Thomas J. Rankin | 2000-08-01 |