Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116487 | Froth flotation method for recovery of ultra-fine constituent | John Groppo | 1992-05-26 |
| 4747920 | Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field | Harapanahalli S. Muralidhara, Nagabhusan Senapati | 1988-05-31 |
| 4561953 | Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field | Harapanahalli S. Muralidhara, Nagabhusan Senapati | 1985-12-31 |
| 4313573 | Two stage comminution | William M. Goldberger, Harold M. Epstein | 1982-02-02 |
| 4293099 | Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation | William M. Goldberger | 1981-10-06 |
| 4249700 | Recovery of silicon carbide whiskers from coked, converted rice hulls by liquid-liquid separation | William M. Goldberger | 1981-02-10 |
| 4182498 | Recovery of round metal granules from process sludge | William M. Goldberger, Bobby P. Faulkner | 1980-01-08 |