Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Carol Stream, IL ranks #1,945 worldwide for total patents filed all time, with 1,663 patents from 346 inventors. Leading employers of inventors based in Carol Stream, IL include Lear, Chicago Mercantile Exchange, The Clorox. That works out to 41.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 346 inventors

Rank Inventor Primary Company Patents
1 Slobodan Pavlovic Lear 87
2 James W. Farrell Chicago Mercantile Exchange 45
3 Michael J. Hall The Clorox 44
#4 Gregory A. Funk Uop 40
#5 James Dawson IBM 38
#6 Steven F. Gillig Motorola 35
#7 James M. Beck Creative Packaging 34
#8 Brantley Natter Lear 33
#8 Carl Opel Chicago Tag & Label 33
#10 Mohamad Zeidan Lear 30
#11 Susie C. Martins Uop 27
#11 Chaitanya Chukka Sprint Communications 27
#13 William Fechalos C&C Power 24
#13 Christopher M. Flood Advanced Custom Engineered Systems & Equipment 24
#13 Ashok Hirpara Delphian Systems 24
#16 Mark Power Rockwell Electronic Commerce Technologies 21
#17 Daniel Francis Kliebhan First Orion 20
#17 Eric Robb The Chamberlain Group 20
#17 Timothy A. Rogers Houghton Mifflin Harcourt Publishing 20
#20 Samantha Juna Tricorbraun 19
#21 Trevor L. Dzwiniel Uchicago Argonne 17
#21 Edward Yonan G.D. Searle 17
#21 Jason Degen Eaton Intelligent Power Limited 17
#21 William Turner Hanks Arris Enterprises 17
#25 David P. Helm Motorola 16
#25 Hong Li 3Com 16
#27 Robert J. Tezak Control Solutions 15
#28 Boguslaw Biel M&R Printing Equipment 14
#28 David J. Fenoglio Amoco 14
#30 Donald Rimdzius Amgen 13
#30 Karl M. Ritter Jefferson Smurfit 13
#30 Julio C. Marte Uop 13
#30 Douglas Anthony Deutsch AT&T 13
#34 Rashid M. Osmani Motorola 12
#34 Walter D. Keefe, Jr. International Paper 12
#34 Brian Foos Stericycle 12
#34 Wonjin Lee LG 12
#38 Robert J. Thrash Amoco 11
#39 Robert Spindler Nxp B.V. 10
#39 Bhupendra Patel A. J. Antunes & 10
#41 Andrew J. Pines P&P Marketing 9
#41 Jeff James Big Play Scoring 9
#41 Scott C. Cwik Senior Engineering Investments Ag 9
#41 David E. Espenlaub Upload Technologies S.A. 9
#41 Steven Zeilinger Molex 9
#41 Robert Bakos Intel 9
#41 Andrew L. Oleson M&R Printing Equipment 9
#41 Dennis Smith Celsion 9
#49 Lawrence Dolan Marconi Communications Gmbh 8
#49 Brian J. Truesdale Prince Castle 8

Part of Illinois