Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DP

David K. Prendergast

ExxonMobil: 3 patents #3,051 of 10,161Top 35%
Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,525,826 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8623796 Oil-in-oil compositions and methods of making Evelyn N. Drake, Samuel C. Bainbridge, David A. Blain, James T. Carey, Angela S. Galiano-Roth +4 more 2014-01-07
7790660 High efficiency polyalkylene glycol lubricants for use in worm gears James T. Carey, Kevin Buzdygon 2010-09-07
7683013 Base stock lubricant blends for enhanced micropitting protection James T. Carey, Angela S. Galiano-Roth 2010-03-23