Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6268314 | Foamable gel composition | Trevor Hughes, Stephen Davies | 2001-07-31 | $53,013,000 |
| 5042583 | Steam foam drive method for enhanced oil recovery | Adrian D'Souza | 1991-08-27 | $111,248,000 |
| 5005644 | Steam enhanced oil recovery method using branched alkyl aromatic sulfonates | Robert G. Wall, Steven P. Current | 1991-04-09 | $33,020,000 |