Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8123838 | Method and apparatus for separating particles | Robert L. Hance | 2012-02-28 |
| 7670139 | Method and apparatus for reduced emissions fuel combustion | Robert L. Hance, Stephanie G. Dye | 2010-03-02 |
| 7569094 | Method and apparatus for separating particles | Robert L. Hance | 2009-08-04 |
| 6251337 | Apparatus and method for treating a particulate material within a rotating retort | — | 2001-06-26 |