Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018326 | Centrifuge with impellers and beach feed | Richard James Koch, Kenneth W. Seyffert, John Patrick Wright, Hubert Frank Baker | 2006-03-28 |
| 6790169 | Centrifuge with feed tube adapter | Richard James Koch, Kenneth W. Seyffert, John Patrick Wright | 2004-09-14 |
| 6780147 | Centrifuge with open conveyor having an accelerating impeller and flow enhancer | Richard James Koch, Kenneth W. Seyffert, John Patrick Wright | 2004-08-24 |
| 6605029 | Centrifuge with open conveyor and methods of use | Richard James Koch, Kenneth W. Seyffert, John Patrick Wright | 2003-08-12 |