Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116881 | Downhole tool with passive barrier | Jeffrey Ross Johnston, Justin R. Scruggs, Daniel Hoyer, William Kovacs, Fei Tang +1 more | 2024-10-15 |
| 5240293 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, John D. Bush +2 more | 1993-08-31 |
| 5236231 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, John D. Bush +2 more | 1993-08-17 |
| 5069485 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, John D. Bush +2 more | 1991-12-03 |
| 4950552 | Method for protecting stainless steel pipe and the like in geothermal brine service from stress corrosion cracking, and articles made thereby | Kevin R. Kitz | 1990-08-21 |
| 4513947 | Geothermal valve | — | 1985-04-30 |
| 4502839 | Vibration damping of rotor carrying liquid ring | James P. Maddox, Jack Jolley, Jr., Louis W. Drobnick | 1985-03-05 |
| 4463567 | Power production with two-phase expansion through vapor dome | Stephen John Toner | 1984-08-07 |
| 4391102 | Fresh water production from power plant waste heat | Walter R. Studhalter, Norman L. Helgeson | 1983-07-05 |
| 4339923 | Scoop for removing fluid from rotating surface of two-phase reaction turbine | Lance G. Hays, Gustave J. Hokenson | 1982-07-20 |
| 4227373 | Waste heat recovery cycle for producing power and fresh water | Walter R. Studhalter | 1980-10-14 |