Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Michael T. Williams Nova Chemicals 5
2 Ronald W. Brand Eaton 3
2 John K. Madish Nova Chemicals 3
#4 Tricia Guevara Nova Chemicals 2
#4 Joseph B. Humbert Eaton 2
#4 Richard Watson Symbol Technologies 2
#7 Kenneth R. Letzkus 1
#7 Roger W. Helms Eaton 1
#7 James A. Hendrickson Mine Safety Appliances Company 1
#7 James P. Dock Siemens Energy 1
#7 Robert Prunchak Basf Se 1
#7 Althea M. Baxa 1
#7 Paul R. Rakus Eaton 1
#7 Samuel P. Hopkins Tiversa Ip 1

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