Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229085 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Carl L. Elmore, Phillip Mitchell | 1993-07-20 |
| 4816234 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Carl L. Elmore, Phillip Mitchell | 1989-03-28 |
| 4754953 | Utilization of oxygen in leaching and/or recovery procedures employing carbon | Carl L. Elmore, Phillip Mitchell | 1988-07-05 |
| 4721526 | Heap leaching with oxygen | Carl L. Elmore, Phillip Mitchell | 1988-01-26 |
| 4629502 | Pressurized reaction of refractory ores with heat recovery | Michael I. Sherman, Carl L. Elmore | 1986-12-16 |
| 4557905 | Leaching and washing a flocculated slurry having a fiber content | Michael I. Sherman, Carl L. Elmore | 1985-12-10 |
| 4501721 | Leaching and washing a flocculated slurry having a fiber content | Michael I. Sherman, Carl L. Elmore | 1985-02-26 |
| 4341744 | Soda ash production | Michael Webber | 1982-07-27 |
| 4283277 | Beneficiation of trona by flotation | John C. Gathje | 1981-08-11 |