Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Spring Grove, IL ranks #4,663 worldwide for total patents filed in 2021, with 23 patents from 11 inventors. Leading employers of inventors based in Spring Grove, IL include Medline Industries, Lp, Fenwal, Hollister Incorporated. That works out to 4.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 David Noskowicz Medline Industries, Lp 6
2 Daniel Lynn Fenwal 4
3 Arthur Christopher Leyh 2
3 Thomas H. Gilman Hollister Incorporated 2
3 Anthony R. Brown Zih 2
3 Gregory G. Pieper S. C. Johnson & Son 2
#7 John T. Filiczkowski S. C. Johnson & Son 1
#7 Neal Anthony Zupec Baxter Healthcare Sa 1
#7 Karl F. Jobst Specialty Equipment Companies 1
#7 Kathy Lee Downie Illinois Tool Works 1
#7 Mark S. Miller Rosemount Aerospace 1

Part of Illinois