Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017446 | Floor mounted filtration system | Stephen N. McEwen, Michael Harms, John L. Creps | 2000-01-25 |
| 5086795 | Removable flushing system for machine tool coolant return system flumes | — | 1992-02-11 |
| 4715964 | Method for filtering contaminated liquids | — | 1987-12-29 |
| 4655940 | Central coolant system with intermittent waste flushing | — | 1987-04-07 |
| RE32135 | Compact universal drum filter settler | John L. Creps, Robert J. Fox, Ted W. Guelde, Stephen N. McEwen | 1986-05-06 |
| 4421645 | Compact universal drum filter settler | John L. Creps, Robert J. Fox, Ted W. Guelde, Stephen N. McEwen | 1983-12-20 |