Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579218 | Centrifugal filter utilizing a partial vacuum condition to effect reduced air drag on the centrifuge rotor | David F. May, Louis A. Krempel | 2003-06-17 |
| 6520902 | Centrifuge cartridge for removing soot from engine oil | Gene W. Brown | 2003-02-18 |
| 6517475 | Centrifugal filter for removing soot from engine oil | Gene W. Brown, Farrell F. Calcaterra, John H. Beard, David F. May, Louis A. Krempel | 2003-02-11 |