Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103592 | Burner with velocity adjustment for flash smelter | George Franks, Alan Mallory, Thomas W. Gonzales, Robert Veenstra | 2015-08-11 |
| 8889059 | Slit lance burner for flash smelter | George Franks, Alan Mallory, Thomas W. Gonzales, Robert Veenstra | 2014-11-18 |