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USPTO Patent Rankings Data through Sept 30, 2025
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Chicago, IL All Time

63,287 patents  ·  13,327 inventors  ·  23.0/1k pop.

Ranked #82 of 111,555 cities Top 1%

Chicago, IL ranks #82 worldwide for total patents filed all time, with 63,287 patents from 13,327 inventors. Leading employers of inventors based in Chicago, IL include Purdue Research Foundation, Sivananthan Laboratories, Showingtime.Com. That works out to 23.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 8,851–8,900 of 13,327 inventors

Rank Inventor Primary Company Patents
#7538 Alfred R. Diggs Purdue Research Foundation 1
#7538 Jered Feldman Sivananthan Laboratories 1
#7538 Victoria Richard-York Showingtime.Com 1
#7538 Robin L. Littleworth Wms Gaming 1
#7538 Mehmet B. Ozer Baxter Healthcare Sa 1
#7538 Elsa V. Madrigal Panduit 1
#7538 John Kokontis The University Of Chicago 1
#7538 Erika E. Skoe Northwestern University 1
#7538 Ryan Walters US Air Force 1
#7538 Ethan Hall Zih 1
#7538 Margo W. Steward Uop 1
#7538 Geoff Preston — 1
#7538 Dacheng Peng The University Of Chicago 1
#7538 Jeffrey H. Hartzell — 1
#7538 Saha Ankan IBM 1
#7538 Kent Steffen — 1
#7538 Bob Engel Exteria Building Products 1
#7538 Avinoam Eden — 1
#7538 Brook Ragle The University Of Chicago 1
#7538 Emilio D. Perez Wms Gaming 1
#7538 Krasimir Zahariev Layne Christensen 1
#7538 Antanas Grazulis — 1
#7538 Thomas R. Stelmaszek Unknown 1
#7538 Daniel Schaumann PepsiCo 1
#7538 Dan Zimbler Carefusion 2200 1
#7538 Cynthia E. Murray Bank of America 1
#7538 Lucas Hartmann Woodhead Industries 1
#7538 Benjamin C. Start — 1
#7538 Arlene Olea Sanoy — 1
#7538 Michael O. Hill Ocean Tomo 1
#7538 Richard Conroy Ocean Tomo 1
#7538 Francis Daly Ward — 1
#7538 Gina Vericella — 1
#7538 Aylin Candan Erenguc Prestone Products 1
#7538 Charles Ryan Veers Prestone Products 1
#7538 Marie Ferrante Drinkwater — 1
#7538 Brandon L. Mapes Tempus Labs 1
#7538 Kristin H. Rubin — 1
#7538 David Makowski — 1
#7538 Scott Aron Tarver Unknown 1
#7538 Adam J. Voracek Wms Gaming 1
#7538 Clayton Andrew Neigher — 1
#7538 Joseph Peter Loban — 1
#7538 Boyett Judgson Hennington, IV Arrowstream 1
#7538 Joshua Lynn Billions — 1
#7538 Alan S. Jeffrey Alcatel Lucent 1
#7538 Eric Goeken — 1
#7538 Lois Ann Polatnick — 1
#7538 Christopher Bissonnette Northwestern University 1
#7538 Pamela S. Smtih Wms Gaming 1

Part of Illinois

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