Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718728 | Hydraulic couple rotational force hydraulic mining tool apparatus | — | 1988-01-12 |
| 4575155 | Pressure differential mining tool | — | 1986-03-11 |
| 4508389 | Apparatus and method for hydraulically mining unconsolidated subterranean mineral formations | — | 1985-04-02 |
| 4420187 | Stationary drill string rotary hydraulic mining tool and method of hydraulic mining | — | 1983-12-13 |
| 4415206 | Drill section and method of hydraulically mining mineral formations | — | 1983-11-15 |
| 4405176 | Method for hydraulically mining unconsolidated subterranean mineral formations using remote support | — | 1983-09-20 |
| 4296970 | Hydraulic mining tool apparatus | — | 1981-10-27 |
| 4275926 | Down hole pump with bottom receptor | — | 1981-06-30 |