Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636308 | Method and apparatus for reclaiming drilling fluids from undesirable solids in a drilling operation | — | 1987-01-13 |
| D264974 | Apparatus for cleaning drilling mud and fluids | — | 1982-06-15 |
| 4234413 | Method and apparatus for self-cleaning drilling mud separation system | — | 1980-11-18 |