Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8876525 | Method and apparatus for removing dust particulates from preheated particulate material | — | 2014-11-04 |
| 6926522 | Method and apparatus for preheating particulate material | John P. Townsend, Douglas Freeman, Michael Prokesch | 2005-08-09 |
| 5413635 | Lime sludge treatment process | David M. Matweecha | 1995-05-09 |