Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9358694 | Hand guard | Sean Heumann | 2016-06-07 |
| 8512451 | Cyclone separator arrangement | — | 2013-08-20 |
| 7708808 | Cyclone separator with rotating collection chamber | — | 2010-05-04 |
| 6837912 | Cyclone separator with surface vanes | — | 2005-01-04 |
| 6686752 | Wear indicator for refractory linings | Frank J. Elvin, Russell J. Lewis, Edwin D. Tenney, Joseph A. Urban, Mark Noppenberger +1 more | 2004-02-03 |
| 5907910 | Method for cyclone conversion for a fluidized bed | — | 1999-06-01 |
| 5612003 | Fluidized bed wtih cyclone | — | 1997-03-18 |