Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4932500 | Lubrication insertion system | Dennis W. Smith | 1990-06-12 |
| 4605977 | Air bearing head displacement sensor and positioner | — | 1986-08-12 |
| 4426849 | Gravity head reheat method | — | 1984-01-24 |
| 4388807 | Geothermal power extraction system with above surface heating of working fluid | — | 1983-06-21 |
| 4380903 | Enthalpy restoration in geothermal energy processing system | — | 1983-04-26 |
| 4342197 | Geothermal pump down-hole energy regeneration system | — | 1982-08-03 |
| 4328673 | Geothermal pump dual cycle system | — | 1982-05-11 |
| 4325681 | Geothermal irrigation pump | — | 1982-04-20 |