Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DL

David W. Larkin — 1 Patent in 2021

PPPhillips Petroleum: 1 patents #40 of 106Top 40%
Baton Rouge, LA: #32 of 120 inventorsTop 30%
Louisiana: #161 of 687 inventorsTop 25%
Overall (2021): #482,899 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10899974 Light oil reflux heavies removal process Paul R. Davies, Michael J. Calderon, Dale L. Embry, Qi Ma 2021-01-26 $586,901,000