Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942273 | Cross flow air separation system | Dane Campbell, Roy Miller | 2011-05-17 |
| 7926751 | Systems and methods for grinding coal with secondary air bias and bowl pressure control loops and perforation plates | Gregory A. Musch | 2011-04-19 |