Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D673243 | Filtration capsule | Deborah M. Bryan | 2012-12-25 |
| D669155 | Filtration capsule | Deborah M. Bryan | 2012-10-16 |
| 8257594 | Twin tank water-on-water filtration system | Robert Astle, Katrina Prutzman | 2012-09-04 |
| 7081201 | Encapsulated filter cartridge | Laurence W. Bassett, Thomas J. Hamlin | 2006-07-25 |
| 6887378 | Handles for lenticular filter cartridge | — | 2005-05-03 |