Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8951311 | Method and system for controlling a gasification or partial oxidation process | Victor K. Der | 2015-02-10 |
| 6484651 | Method for operating a slag tap combustion apparatus | Robert N. Shepard, Jr. | 2002-11-26 |
| 6085911 | Method and apparatus for extracting metallic contaminants from substrates | Stephen H. Greenleigh, James W. Chester, Matthew D. Dewees | 2000-07-11 |
| 5695642 | Method for purifying contaminated water | Stephen H. Greenleigh, James W. Chester, Matthew D. Dewees | 1997-12-09 |