Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5379902 | Method for simultaneous use of a single additive for coal flotation, dewatering, and reconstitution | McMahan L. Gray, Kenneth J. Champagne | 1995-01-10 |
| 4969928 | Combined method for simultaneously dewatering and reconstituting finely divided carbonaceous material | Albert W. Deurbrouck | 1990-11-13 |
| 4867868 | Selective flotation of inorganic sulfides from coal | Kenneth J. Miller | 1989-09-19 |
| 4615712 | Fuel agglomerates and method of agglomeration | — | 1986-10-07 |
| 4208217 | Method of stabilizing aqueous fine coal slurry and product thereof | John Christopher Anderson, David HUTCHINSON, Alvin A. Terchick | 1980-06-17 |