Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997860 | Single drive centrifugal separator | — | 2006-02-14 |
| 6869341 | Single-sided finishing apparatus | Brad Borkosky, John Harkness | 2005-03-22 |
| 6722959 | Combination 2-plane CNC positioning grinder with CNC positioning drill | — | 2004-04-20 |
| 5984624 | Article loader/unloader | Charles E. Gottschalk, Mark R. Kolkemeyer | 1999-11-16 |
| 5916082 | Centrifugal separator with invertable bladder | — | 1999-06-29 |
| 5887325 | Transfer method and apparatus | — | 1999-03-30 |
| 5512031 | Method of centrifugal separation with load sensing circuit for optimizing cleaning cycle frequency | Tom S. Ziems | 1996-04-30 |
| 5454777 | Centrifugal separator apparatus with load sensing circuit for optimizing clearing cycle frequency | Tom S. Ziems | 1995-10-03 |