JH

Joe D. Hedges

VS Voelker Sensors: 7 patents #1 of 2Top 50%
📍 Portola Valley, CA: #207 of 621 inventorsTop 35%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #643,390 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
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