Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083506 | Double action simplex pump | Daniel Allan Beilke | 2011-12-27 |
| 7775781 | Double action simplex diaphragm pump | Daniel Allan Beilke | 2010-08-17 |
| 7390175 | Double action simplex plunger pump | Daniel Allan Beilke | 2008-06-24 |
| 6808374 | Sanitary design gear pump | Iver J. Phallen, Richard J. Jezuit, Jr., David Messing, Gregory N. Tufte, Frank L. Amyotte | 2004-10-26 |
| 6394753 | Flexible impeller removal and installation method | Dan Beilke, Jeffrey W. Bona | 2002-05-28 |
| 6203302 | Rubber impeller pump | — | 2001-03-20 |
| 6116855 | Flexible impeller removal system | — | 2000-09-12 |
| 6095776 | Peristalic rubber impeller pump | — | 2000-08-01 |
| 5449280 | Pump including integral reservoirs for permitting dry run of pump | David L. Thompson | 1995-09-12 |
| 5402569 | Method of manufacturing a pump with a modular cam profile liner | David L. Thompson | 1995-04-04 |