Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032759 | Pusher centrifuge | Roy Geiger | 2006-04-25 |
| 7025211 | Double pusher centrifuge | Roy Geiger | 2006-04-11 |
| 7017756 | Multi-stage pusher centrifuge | Roy Geiger | 2006-03-28 |
| 6547972 | Centrifuge with ejector for solids | Werner Stahl | 2003-04-15 |