Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994778 | Direct coal liquefaction process and system | Richard P. O'Connor, Peter S. Maa | 2018-06-12 |
| 9234139 | Diesel fuel production process employing direct and indirect coal liquefaction | Gerald A. Melin, Kenneth L. Trachte | 2016-01-12 |
| 7096931 | Increased heat exchange in two or three phase slurry | Min Chang | 2006-08-29 |
| 6607568 | Synthetic diesel fuel and process for its production (law3 1 1) | Robert J. Wittenbrink, Paul J. Berlowitz, Bruce R. Cook | 2003-08-19 |
| 6506297 | Biodegradable high performance hydrocarbon base oils | Robert J. Wittenbrink, Daniel Francis Ryan | 2003-01-14 |
| 6296757 | Synthetic diesel fuel and process for its production | Robert J. Wittenbrink, Paul J. Berlowitz, Bruce R. Cook | 2001-10-02 |
| 6274029 | Synthetic diesel fuel and process for its production | Robert J. Wittenbrink, Paul J. Berlowitz, Bruce R. Cook | 2001-08-14 |
| 6096940 | Biodegradable high performance hydrocarbon base oils | Robert J. Wittenbrink, Daniel Francis Ryan | 2000-08-01 |
| 5844005 | Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation | Charles W. DeGeorge, Rocco A. Fiato, Stephen C. Leviness | 1998-12-01 |
| 5807413 | Synthetic diesel fuel with reduced particulate matter emissions | Robert J. Wittenbrink, Daniel Francis Ryan, Paul J. Berlowitz | 1998-09-15 |
| 4425224 | Process for converting petroleum residuals | Lonnie W. Vernon, Fritz E. Jacobs | 1984-01-10 |
| 4347117 | Donor solvent coal liquefaction with bottoms recycle at elevated pressure | John W. Taunton, George H. Anderson, Ken Lee TRACHTE, Steve J. Hsia | 1982-08-31 |
| 4332666 | Coal liquefaction process wherein jet fuel, diesel fuel and/or ASTM No. 2 fuel oil is recovered | Daniel Francis Ryan | 1982-06-01 |