Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11944928 | Filter assembly and media | Lindell Gay, Weijiang Chen, Michael F. Wilson | 2024-04-02 |
| 6165354 | Filter having a filter element adjustable to a bypass position | — | 2000-12-26 |
| 5961678 | Filter drainage layer attachment | Dean Mac Pruette | 1999-10-05 |
| 5725621 | Filter end cap attachment | Dean Mac Pruette | 1998-03-10 |