Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393626 | Continuously cured EPDM used in various dampening applications including vehicle axle cords | Frederick E. Pedersen | 2013-03-12 |
| 6746637 | Process for making chemical resistant pump diaphragm | Howard D. Huss, James Varney | 2004-06-08 |
| 6103048 | Abrasion resistant plastic bonded to a diaphragm | — | 2000-08-15 |
| 6085789 | Lightweight sleeve and spool arrangement for use in diaphragm pumps | James Varney, Howard D. Huss | 2000-07-11 |
| 6080685 | Abrasion resistant plastic bonded to a diaphragm | — | 2000-06-27 |
| 5996470 | Wear ring for diaphragm and outer piston | Larry Stephenson | 1999-12-07 |
| 5687633 | Insert type member for use in a flexible type pump diaphragm | — | 1997-11-18 |
| 5634391 | Inert plastic coated flexible type diaphragm for application in a sanitary type pump | — | 1997-06-03 |