Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Walker, IA ranks #10,793 worldwide for total patents filed in 2021, with 7 patents from 3 inventors. Leading employers of inventors based in Walker, IA include Amvac Chemical, Rockwell Collins. That works out to 10.2 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 Larry M. Conrad Amvac Chemical 4
2 Patrick D. McCusker Rockwell Collins 2
3 Jeffrey Grundmeyer Rockwell Collins 1

Part of Iowa