Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159383 | Filter head assembly | Larry Larson | 2000-12-12 |
| 5846416 | Fluid filter having a reusable filter housing and a replaceable coreless filter element | — | 1998-12-08 |
| 5762788 | Fluid filter having a reusable filter housing and a replaceable coreless filter element | — | 1998-06-09 |
| 5695636 | Fluid filter having a reusable filter housing and a replaceable filter element | — | 1997-12-09 |
| 5681461 | Fluid filter having a reusable filter housing and central core and a replaceable coreless filter element | Kenneth J. Wolbeck | 1997-10-28 |
| 5647504 | Laser welded fluid filter housing | Ronald T. Taylor, Daniel J. Techtow | 1997-07-15 |