Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740423 | Vacuum modulating air control valve apparatus | Jonathan Thorn | 2010-06-22 |
| 7494521 | Trigger mechanism for dust filter pulse cleaning system | Michael D. Althouse | 2009-02-24 |
| 5813801 | Dense phase particulate conveying system and method with continuous air leakage management | Ross McEllhiney | 1998-09-29 |
| 5630691 | Rotary airlock valve | — | 1997-05-20 |
| 5350257 | Pneumatic conveyor for granular materials | Theodore L. Remmers | 1994-09-27 |