Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sheffield, IA ranks #11,895 worldwide for total patents filed in 2021, with 6 patents from 3 inventors. Leading employers of inventors based in Sheffield, IA include Sukup Manufacturing. That works out to 5.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Bradley Allan Poppen Sukup Manufacturing 3
2 John A. Hanig Sukup Manufacturing 2
3 Jill Ihrke 1

Part of Iowa