Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734547 | Processes for preparing a catalyzed carbonaceous particulate | Alkis S. Rappas | 2014-05-27 |
| 8734548 | Processes for preparing a catalyzed coal particulate | Alkis S. Rappas, George Frederick Salem | 2014-05-27 |
| 8648121 | Hydromethanation of a carbonaceous feedstock with nickel recovery | Alkis S. Rappas | 2014-02-11 |
| 8557878 | Hydromethanation of a carbonaceous feedstock with vanadium recovery | Alkis S. Rappas | 2013-10-15 |
| 7901644 | Catalytic gasification process with recovery of alkali metal from char | Alkis S. Rappas | 2011-03-08 |
| 7897126 | Catalytic gasification process with recovery of alkali metal from char | Alkis S. Rappas | 2011-03-01 |
| 5322600 | Method and apparatus for removal of selenium from solution | Mark Bricker | 1994-06-21 |
| 5009868 | Process for the extended use of strip acid employed in the reclamation of battery acid fluid from expanded lead-acid batteries | Mark Bricker | 1991-04-23 |
| 4971780 | Process for the reclamation of battery acid and fluid from expended lead-acid batteries | — | 1990-11-20 |