Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Richard Allen Hayes E.I. Du Pont De Nemours And 7
2 Chris Richardson Quality Mat 2
2 James Donald Simpson Grupo Petrotemex, S.A. De C.V. 2
#4 James E. McIntosh Invista North America S.A.R.L. 1
#4 William C. Jennings Rockwell Collins 1
#4 Timothy W. Stephens Sage Automation 1
#4 Darden Sinclair ExxonMobil 1
#4 John W. Paul E.I. Du Pont De Nemours And 1
#4 Nathaniel Welch Ecolab Usa 1
#4 Royce E. Ennis E.I. Du Pont De Nemours And 1
#4 Terry Haynes Eastman Kodak 1
#4 David J. Sandell ExxonMobil 1
#4 Wei-Hwa Her Meadwestvaco 1
#4 Kathryn L. Peretti ExxonMobil 1
#4 Dirk W. Franklin Unknown 1
#4 Richard Alan Hayes E.I. Du Pont De Nemours And 1
#4 Meredith B. Gustafsson ExxonMobil 1
#4 Roy L. Adams 1
#4 Lu Han ExxonMobil 1

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