Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985137 | Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts | Ernest O. Ohsol, Thomas E. Gillespie | 1999-11-16 |
| 5954949 | Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide | Ernest O. Ohsol, Thomas E. Gillespie, Thomas H. Laity | 1999-09-21 |
| 5948242 | Process for upgrading heavy crude oil production | Ernest O. Ohsol, Thomas E. Gillespie, Thomas H. Laity | 1999-09-07 |
| 5882506 | Process for recovering high quality oil from refinery waste emulsions | Ernest O. Ohsol, Thomas E. Gillespie | 1999-03-16 |