Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443227 | Azimuth control of hydraulic vertical fractures in unconsolidated and weakly cemented soils and sediments | Grant Hocking | 2002-09-03 |
| 6330914 | Method and apparatus for tracking hydraulic fractures in unconsolidated and weakly cemented soils and sediments | Grant Hocking | 2001-12-18 |
| 6216783 | Azimuth control of hydraulic vertical fractures in unconsolidated and weakly cemented soils and sediments | Grant Hocking | 2001-04-17 |
| 5058669 | Extraction system with a pump having an elastic rebound inner tube | — | 1991-10-22 |
| 4974674 | Extraction system with a pump having an elastic rebound inner tube | — | 1990-12-04 |
| 4844797 | Vacuum extraction system | — | 1989-07-04 |
| 4826406 | Pressure extraction pump system for recovering liquid hydrocarbons from ground water | — | 1989-05-02 |