Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795553 | Spiral separator | — | 1989-01-03 |
| 4614580 | Spiral separator | — | 1986-09-30 |
| 4476980 | Spiral separator | — | 1984-10-16 |
| 4209386 | Method and apparatus for the wet gravity concentration of ores | — | 1980-06-24 |
| 4183806 | Gravitational separator employing an improved eluent supply system | — | 1980-01-15 |