Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Libertyville, IL ranks #530 worldwide for total patents filed all time, with 6,347 patents from 868 inventors. Leading employers of inventors based in Libertyville, IL include Cree, Nxstage Medical, Abbott. That works out to 308.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 868 inventors

Rank Inventor Primary Company Patents
1 Kurt S. Wilcox Cree 248
2 William J. Schnell Nxstage Medical 111
3 Dale J. Kempf Abbott 87
#4 Dustin Jonathan Smith Research In Motion Limited 75
#5 Dennis S. Murphy Unilever Home & Personal Care Usa, Division Of Conopco 72
#6 Charles W. Hutchins Abb Vie 69
#6 Stevan W. Djuric G.D. Searle 69
#8 John L. Toner Abbott 65
#8 Christopher J. Wegener Fenwal 65
#10 Philip R. Kym Abbott 59
#11 Thomas Gitzinger Motorola Mobility 58
#12 Xilu Wang Abb Vie 54
#12 Shawn Barrett Krueger International 54
#12 Daniel R. Boggs Fenwal 54
#15 George A. Doherty Abb Vie 53
#16 Lecon Woo Baxter International 51
#17 James B. McAlpine Abbott 49
#18 Daniel F. Heiman Valent Biosciences 45
#19 Gary T. Wang Abb Vie 44
#19 Milan Bruncko Abb Vie 44
#21 John T. Randolph Abb Vie 42
#21 James Robert Ault Chicagoland Grows 42
#21 Bill Ryan Motorola Mobility 42
#24 Stephen D. Stroupe Abbott 41
#24 Stuart Feen Plastic Bottle 41
#24 Michael R. Michaelides Abbott 41
#24 James W. Malecha G.D. Searle 41
#28 Jason Moss House Of Atlas 40
#29 Dee W. Brooks Abbott 38
#29 Kenyon A. Hapke Illinois Tool Works 38
#29 David A. Betebenner Abbott 38
#32 Zongjie Yuan Cree 37
#32 Andrew O. Stewart Abbott 37
#32 Ahmed A. Othman Abb Vie 37
#32 Daniel Kraft Allstate Insurance 37
#36 Suresh M. Desai Abbott 36
#36 Michael A. Stealey G.D. Searle 36
#38 Rodney S. Kenley Aksys Gmbh 34
#39 Robert Lockwood Medline Industries, Lp 33
#39 Bradley P. Smith Freeescale Semiconductor 33
#41 Jimbay P. Loh Kraft Foods Holdings 32
#41 Zhonghua Pei Abbott 32
#43 James P. Martucci Baxter International 31
#44 Francis A. Czajka Medline Industries, Lp 30
#44 Jen-Huang Albert Chiou 30
#46 Saul H. Rosenberg Abbott 29
#46 Timothy G. Laud Zenith Electronics 29
#46 Joseph F. Julian AbbVie 29
#49 Dinesh O. Shah Abbott 28
#49 William D. Arendt Velsicol Chemical 28

Part of Illinois