Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7282140 | Sump filter with filter element cartridge | Larry Larkin | 2007-10-16 |
| 6461557 | Method of molding an O-ring retainer in components using interlocking molds | Phillip K. Loek | 2002-10-08 |
| 6105789 | Plastic component with O-ring retainer | — | 2000-08-22 |
| 5766469 | Orifice filter | William B. Hoff | 1998-06-16 |
| 5049274 | Friction welding process and filter formed thereby | Hayden Leason, Thomas A. Cain | 1991-09-17 |