Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7374742 | Direct sulfur recovery system | Charles Kimtantas | 2008-05-20 |
| 5289676 | Efficient low temperature solvent removal of acid gases | Charles R. Brown | 1994-03-01 |
| 5220782 | Efficient low temperature solvent removal of acid gases | Charles R. Brown | 1993-06-22 |
| 4568364 | Process for desulfurization of fuel gas | Lionel S. Galstaun | 1986-02-04 |