Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Winnetka, IL ranks #2,224 worldwide for total patents filed all time, with 1,425 patents from 229 inventors. Leading employers of inventors based in Winnetka, IL include Northwestern University, Cummins-Allison, Tenex. That works out to 111.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 229 inventors

Rank Inventor Primary Company Patents
1 Richard B. Silverman Northwestern University 107
2 John E. Jones Cummins-Allison 94
3 Mark Dziersk Tenex 89
#4 Michael R. Miller Miller Dowel 83
#5 Sanjay Mehrotra 77
#6 Jiin-Huey Chern Lin Calcitec 69
#7 Robert W. Sheldon Medline Industries, Lp 60
#8 Richard G. Fessler In Queue Innovations 48
#9 David F. Zucker Igt 31
#10 Dean Lindsay Stokely-Van Camp 30
#11 George Valliath Motorola 27
#12 Mitchell H. Saranow Suretint Technologies 26
#13 Maurice J. Pigott Nucon 23
#14 John Wooster Cobra Golf Incorporated 22
#15 Dirk Hondmann Mead Johnson Nutrition 21
#15 Howard M. Hess IBM 21
#17 Colin Knight Sears Brands, L.L.C. 19
#18 Sami El-Saden Ignite Usa 16
#19 Christine Fotteler Sap Ag 13
#19 Mariann Straub The Kyjen Company 13
#19 Leslie G. West Kraft Foods Holdings 13
#22 Sean Lavin Generation Brands 11
#22 Jacob Price Thermoflex 11
#24 Ross D. Moore Careband 10
#24 Stephenson Nelson Encore Packaging 10
#24 Rudyard Istvan Motorola 10
#24 Horacio D. Espinosa Northwestern University 10
#28 John W. Hart Motorola 9
#28 George C. Crowley Sunbeam Corporation Limited 9
#28 Craig Witty Tetra Laval Holdings & Finance S.A. 9
#28 Heidi S. Camp Abb Vie 9
#32 Jennifer Macritchie Stokely-Van Camp 8
#32 Walter L. Cherry Cherry Electrical Products Limited 8
#32 Henry M. Gajewski Baxter Travenol Laboratories 8
#35 Sami Elsaden Ignite Usa 7
#35 Nicole Steel Steel American Luxury 7
#35 Philip Preston 7
#35 Stephen E. Schmitt 7
#35 William Ready PayPal 7
#35 John Hirschey Kraft Foods Group Brands 7
#35 Steven R. Austin 3M 7
#35 Arthur Holden Oracle 7
#43 Norbert Scherer The University Of Chicago 6
#43 Matthew A. Bluhm Decon7 Systems 6
#45 Ellen L. Oschmann Spectrix 5
#45 Gary Allen Kemp, II Trading Technologies International 5
#45 John T. Ivers PepsiCo 5
#45 Robert R. Snediker Chicago Show Printing 5
#45 Patrick M. Birmingham Zimmer 5
#45 Keith Armato 5

Part of Illinois