Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568569 | Method and apparatus for efficient production of activated carbon | Christopher M. Doelling | 2013-10-29 |
| 6962117 | Method and apparatus for controlling combustion in a furnace | — | 2005-11-08 |
| 5957064 | Method and apparatus for operating a multiple hearth furnace | Mark B. McCormick | 1999-09-28 |
| 4261268 | Method and apparatus for treating waste material | Charles F. von Dreusche, Jr. | 1981-04-14 |