Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985137 | Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts | Thomas E. Gillespie, John W. Pinkerton | 1999-11-16 |
| 5954949 | Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide | Thomas E. Gillespie, John W. Pinkerton, Thomas H. Laity | 1999-09-21 |
| 5948242 | Process for upgrading heavy crude oil production | John W. Pinkerton, Thomas E. Gillespie, Thomas H. Laity | 1999-09-07 |
| 5882506 | Process for recovering high quality oil from refinery waste emulsions | John W. Pinkerton, Thomas E. Gillespie | 1999-03-16 |
| 5738762 | Separating oil and water from emulsions containing toxic light ends | — | 1998-04-14 |
| 5593591 | Production of dry, free flowing solids from bio-waste sludge | Thomas G. Callery | 1997-01-14 |
| 4938876 | Method for separating oil and water emulsions | — | 1990-07-03 |