Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702862 | Detection of fuel contamination in lubricating oil | — | 2017-07-11 |
| 8643388 | Detection of fuel contamination in lubricating oil | — | 2014-02-04 |
| 8614588 | Active filtering of oil | — | 2013-12-24 |
| 7928741 | Oil monitoring system | Paul J. Voelker | 2011-04-19 |
| 7521945 | Oil monitoring system | Paul J. Voelker | 2009-04-21 |
| 5789665 | Oil quality sensor for use in a motor | Paul J. Voelker | 1998-08-04 |
| 5777210 | Oil quality sensor measuring bead volume | Paul J. Voelker | 1998-07-07 |
| 5435170 | Method and apparatus for fluid quality sensing | Paul J. Voelker | 1995-07-25 |