Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8844287 | Thermodynamic amplifier cycle system and method | — | 2014-09-30 |
| 8656720 | Extended range organic Rankine cycle | — | 2014-02-25 |
| 7021373 | Downhole hydraulic ram | — | 2006-04-04 |
| 6662078 | System and method for item management via an electronic communication network | Lanna Kay Hardgrave | 2003-12-09 |
| 6010239 | Automatic item-driven system for deposit and pick-up | Lanna Kay Hardgrave | 2000-01-04 |
| 4214605 | Actuator for wireline blowout preventer | — | 1980-07-29 |