Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6268314 | Foamable gel composition | Trevor Hughes, Stephen Davies | 2001-07-31 |
| 5042583 | Steam foam drive method for enhanced oil recovery | Adrian D'Souza | 1991-08-27 |
| 5005644 | Steam enhanced oil recovery method using branched alkyl aromatic sulfonates | Robert G. Wall, Steven P. Current | 1991-04-09 |