Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539717 | Geothermal steam processing | — | 2003-04-01 |
| 6332320 | Geothermal steam processing | — | 2001-12-25 |
| 6286314 | Geothermal steam processing | — | 2001-09-11 |
| 6223535 | Geothermal steam processing | — | 2001-05-01 |
| 5965031 | pH modification of geothermal brine with sulfur-containing acid | Darrell L. Gallup | 1999-10-12 |
| 5656172 | pH modification of geothermal brine with sulfur-containing acid | Darrell L. Gallup | 1997-08-12 |
| 5364439 | Method to treat geothermal fluid streams | Darrell L. Gallup, Manuel E. Obando, Donald M. Fenton, Paul A. Peaden, Dennis L. Saunders +1 more | 1994-11-15 |
| 4950552 | Method for protecting stainless steel pipe and the like in geothermal brine service from stress corrosion cracking, and articles made thereby | William E. Amend | 1990-08-21 |