Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871744 | Apparatus for electrodewatering | Sarah A. Miller, Barry Kenneth Johnston | 2005-03-29 |
| 5956858 | Apparatus for the dewatering of coal and mineral slurries | Stuart K. Nicol, Barry Kenneth Johnston | 1999-09-28 |
| 5771601 | Process for the dewatering of coal and mineral slurries | Stuart K. Nicol, Barry Kenneth Johnston | 1998-06-30 |
| 4484929 | Solid fuel oil mixtures | Paul Rutter | 1984-11-27 |
| 4276053 | Fuel composition and method for its preparation | Derek R. Wall | 1981-06-30 |