Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Elmhurst, IL ranks #1,075 worldwide for total patents filed all time, with 3,158 patents from 619 inventors. Leading employers of inventors based in Elmhurst, IL include G.D. Searle, Flex Lighting Ii, Uchicago Argonne. That works out to 69.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 619 inventors

Rank Inventor Primary Company Patents
1 Thomas D. Penning G.D. Searle 94
2 Zane Coleman Flex Lighting Ii 87
2 Jeffrey W. Elam Uchicago Argonne 87
#4 Eric Michael Jacobsthal Cnh Industrial America 76
#5 Curtis Leroy Cruver, IV Sub-Zero Group 68
#6 Russell W. Johnson Uop 66
#7 Joseph D. Comerci Molex 57
#8 Kevin J. Overend AT&T 42
#9 Kenneth W. Larson Motorola 41
#9 E. Philip Horwitz Arch Development 41
#11 Maryellen L. Giger Arch Development 40
#12 Jeremias C. Rivera, Jr. Amtab Manufacturing 38
#12 Daniel E. Molter Peerless Industries 38
#14 Michael H. Baker 33
#15 Wayne A. Kuna Marvin Glass & Associates 32
#16 John R. Iacono Zero Friction 31
#17 Christopher Dorion Amco Houseworks 30
#18 Thomas Dohan, II Capital One Services 29
#18 Manfred Ackermann Robert Bosch Gmbh 29
#18 Kevin G. Doberstein 29
#21 John T. Vaughey Uchicago Argonne 27
#22 Raymond G. Capek Zenith Electronics 25
#23 Anthony J. Tortorello Desoto 24
#24 Kenneth D. Peters Uop 23
#25 Gregory P. Frankiewicz Abl Ip Holding 21
#25 Boby Iyer Motorola Mobility 21
#25 Brian Roy Skotty The Chamberlain Group 21
#28 John M. Forgac Amoco 19
#28 John DeCicco Robert Bosch Gmbh 19
#28 Craig A. Bixler Molex 19
#28 Daniel P. Brown Motorola 19
#32 Mark J. Marsan Motorola 18
#32 Daniel Waski Henkel Ip & Holding Gmbh 18
#32 Joseph W. Ruta S&C Electric 18
#32 Timothy J. Murphy Allen-Bradley Company 18
#32 Kristin Marie Affatato Cna International 18
#37 Michael T. Cleary Uop 17
#37 John R. Beach Illinois Tool Works 17
#39 Hakim H. Iddir Apple 16
#39 Christopher D. DiGiulio Uop 16
#39 Bryan C. Tieman Abbott 16
#39 Michael Homeier 3Com 16
#43 Morteza M. Chamran Perkinelmer 15
#43 Herbert B. Krakau Dytel 15
#43 Jeffrey P. Heuel Cobra Electronics 15
#43 Shimao Ni H.A. Phillips & 15
#43 Vanessa Wickenkamp Rovi Guides 15
#48 Scott G. Jankovec Chicago Metallic 14
#48 Carl E. Tack, Jr. Transdyne 14
#48 Joseph J. Pilolla Sloan Valve 14

Part of Illinois