Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Howard Sommerfeld Wabtec Holding 4
2 Scott R. Hartman Panduit 2
2 Robert J. Krisel Panduit 2
#4 Michael T. Gattone Illinois Tool Works 1
#4 James P. Sima 1
#4 Richard A. Marcus Panduit 1
#4 Michael Dow Nxp B.V. 1
#4 Sean Hughes Ykk 1
#4 Robert Wilk Lifescan 1
#4 Brandon Feliszak 1
#4 Martin J. Durbin One Plus 1
#4 Timothy J. Mazies Federal Signal 1
#4 David De John 1

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