Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994778 | Direct coal liquefaction process and system | Richard F. Bauman, Richard P. O'Connor | 2018-06-12 |
| 7419585 | Process for upgrading residua | Craig Y. Sabottke | 2008-09-02 |
| 7160437 | Method for determining the source of fouling in thermal conversion process units | Leo D. Brown, William N. Olmstead, Michael Siskin | 2007-01-09 |
| 5795464 | Conversion of the organic component from tar sands to lower boiling products | Bruce M. Sankey, Roby Bearden, Jr. | 1998-08-18 |
| 5338441 | Liquefaction process | Steve C. LeViness, Steve J. Hsia, Michael Y. Wen, Stephen M. Davis, Claude C. Culross | 1994-08-16 |
| 5294349 | Coal depolymerization and hydroprocessing | George M. Kramer, Edwin R. Ernst, Chang S. Hsu, Gopal H. Singhal | 1994-03-15 |
| 5096569 | Catalytic hydropyrolysis of carbonaceous material with char recycle | Russell R. Chianelli | 1992-03-17 |
| 5055181 | Hydropyrolysis-gasification of carbonaceous material | Martin L. Gorbaty | 1991-10-08 |
| 4831003 | Catalyst composition and process of making | Robert J. Lang, Veluswamy R. LaVanga | 1989-05-16 |
| 4824558 | Coal liquefaction process with metal/iodine cocatalyst | Lonnie W. Vernon, William E. Winter, Gopal H. Singhal | 1989-04-25 |
| 4485008 | Liquefaction process | Lavanga R. Veluswamy, Lonnie W. Vernon | 1984-11-27 |
| 4338182 | Multiple-stage hydrogen-donor coal liquefaction | Lonnie W. Vernon | 1982-07-06 |
| 4338184 | Coal conversion in the presence of added alkali metal compounds | Lavanga R. Veluswamy, Charles Vadovic | 1982-07-06 |
| 4322283 | Coal conversion in the presence of added hydrogen sulfide | Lavanga R. Veluswamy | 1982-03-30 |
| 4313816 | Staged temperature coal conversion process | Lavanga R. Veluswamy | 1982-02-02 |
| 4283267 | Staged temperature hydrogen-donor coal liquefaction process | Lonnie W. Vernon | 1981-08-11 |
| 4189371 | Multiple-stage hydrogen-donor coal liquefaction process | Lonnie W. Vernon | 1980-02-19 |