Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8632322 | Plunger pump with atmospheric bellows | Stephen D. Able, Kerry G. Vonalt | 2014-01-21 |
| 6816071 | Information display status indicator | — | 2004-11-09 |
| 6722256 | Reduced icing valves and gas-driven motor and diaphragm pump incorporating same | Charles O. Roberts, Nicholas Kozumplik, Jr., Gordon M. Schroeder | 2004-04-20 |
| 5848878 | Pump with improved manifold | James Timothy Carr | 1998-12-15 |
| 5848615 | Check valve cartridge for fluid pump | Lawrence W. White, William R. Tate, Stephen D. Able | 1998-12-15 |
| 5711658 | Diaphragm pump with improved flow manifolds | Gerald M. Distel | 1998-01-27 |
| D388796 | Diaphragm pump | Gerald M. Distel | 1998-01-06 |
| D388797 | Diaphragm pump | Gerald M. Distel | 1998-01-06 |