Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319416 | Method of fluid filtering employing a novel cartridge sealing mechanism | Dennis R. Morgan | 2001-11-20 |
| 6270668 | Filter element sealing mechanism | Dennis R. Morgan | 2001-08-07 |
| 5368746 | Environmentally beneficial bypass filter system for use with low pressure centrifugal refrigeration equipment | — | 1994-11-29 |
| 5232588 | Environmentally beneficial bypass filter system for use with low pressure centrifugal refrigeration equipment | — | 1993-08-03 |