Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224749 | Liquid and vapor stage hydroprocessing using once-through hydrogen | Ramesh Gupta, Henry Jung, Edward S. Ellis | 2001-05-01 |
| 6036844 | Three stage hydroprocessing including a vapor stage | Ramesh Gupta, Henry Jung, Edward S. Ellis | 2000-03-14 |
| 5707511 | Cyclic process for hydrotreating petroleum feedstocks | George C. Hadjiloizou | 1998-01-13 |
| 4990242 | Enhanced sulfur removal from fuels | Stephen Louie | 1991-02-05 |
| 4973396 | Method of producing sweet feed in low pressure hydrotreaters | — | 1990-11-27 |
| 4629553 | Hydrofining process | Carl W. Hudson | 1986-12-16 |
| 4610779 | Process for the hydrogenation of aromatic hydrocarbons | James C. Spry, Jr. | 1986-09-09 |
| 4440626 | Catalytic reforming process | William E. Winter | 1984-04-03 |
| 4440627 | Catalytic reforming process | — | 1984-04-03 |
| 4440628 | Catalytic reforming process | William E. Winter | 1984-04-03 |
| 4415441 | Catalytic reforming process | William E. Winter | 1983-11-15 |