Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9604856 | Integral filter compression seal | — | 2017-03-28 |
| 8236176 | Replaceable filter cartridge | John M. Ruddock | 2012-08-07 |
| 7175030 | High capacity depth filter bag | John M. Ruddock | 2007-02-13 |
| 7073670 | High capacity depth filter bag | John M. Ruddock | 2006-07-11 |
| 5639370 | Compound layer resin bonded filter cartridge | Mehrdad Jafarabadi, John M. Ruddock | 1997-06-17 |