Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8883090 | Sample collector and components thereof | Frederick A. Nabity, Henry L. Walters | 2014-11-11 |
| 8393166 | Sample collector and components thereof | Frederick A. Nabity, Henry L. Walters | 2013-03-12 |
| 8056353 | Sample collector and components thereof | Frederick A. Nabity, Henry L. Walters | 2011-11-15 |
| 6354345 | Pumping system | Frederick A. Nabity, James Masek, Brian D. Dawson, Russell Todd Barker, Frederick Detlef Sueverkruepp, III +3 more | 2002-03-12 |
| 5915932 | Peristaltic pump having a roller support | Frederick A. Nabity, James Masek, Brian D. Dawson, Russell Todd Barker, Frederick Detlef Sueverkruepp, III +3 more | 1999-06-29 |
| 5901603 | Liquid level monitor | — | 1999-05-11 |
| 5844147 | Method and apparatus for water sampling utilizing solid phase extraction | Dale A. Davison | 1998-12-01 |
| 5576503 | Pumping system | Frederick A. Nabity, James Masek, Brian D. Dawson, Russell Todd Barker, Frederick Detlef Sueverkruepp, III +3 more | 1996-11-19 |
| 5183391 | Valve pump | — | 1993-02-02 |
| 5161956 | Valve pump | — | 1992-11-10 |
| 4810172 | Gas-operated positive displacement pump | Louis F. Lederer | 1989-03-07 |