Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197561 | Process for drying coal | Clinton B. Camper, Vijay Sethi, Leon C. Kenyon, Jr. | 2012-06-12 |
| 7695535 | Process for in-situ passivation of partially-dried coal | — | 2010-04-13 |
| 7537622 | Process for drying coal | Leon C. Kenyon, Jr. | 2009-05-26 |
| 6162265 | Process for processing coal | Leon C. Kenyon, Jr. | 2000-12-19 |
| 5904741 | Process for processing coal | Leon C. Kenyon, Jr. | 1999-05-18 |
| 5858035 | Process for processing coal | — | 1999-01-12 |
| 5830246 | Process for processing coal | — | 1998-11-03 |
| 5830247 | Process for processing coal | — | 1998-11-03 |
| 5145489 | Method for coprocessing coal and oil | — | 1992-09-08 |