Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678478 | Method for desulfurization of coal | — | 1987-07-07 |
| 4663029 | Method and apparatus for continuous magnetic separation | Makoto Takayasu | 1987-05-05 |
| 4466362 | Method of removing sulfur and other contaminants from the coal in coal-oil slurries | Emanuel Maxwell | 1984-08-21 |
| 4261815 | Magnetic separator and method | — | 1981-04-14 |
| 4209394 | Magnetic separator having a multilayer matrix, method and apparatus | — | 1980-06-24 |