Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oak Forest, IL ranks #6,098 worldwide for total patents filed in 2021, with 16 patents from 6 inventors. Leading employers of inventors based in Oak Forest, IL include National Service Alliance—Houston, Panduit, Ecolab Usa. That works out to 0.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 John J. Crosetto National Service Alliance—Houston 9
2 Scott R. Hartman Panduit 2
2 William A. Von Drasek Ecolab Usa 2
#4 Krzysztof Mikrut The University Of Chicago 1
#4 James Nowaczyk Sun Chemical 1
#4 Tara O'Connor Windsor 1

Part of Illinois