Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Annandale, MN ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 4 inventors. Leading employers of inventors based in Annandale, MN include Qlogic, IBM, Adc Telecommunications. That works out to 2.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Frank R. Dropps Qlogic 6
2 Jamie B. Marsnik IBM 1
2 Eric M. Ferguson 1
2 Duane Sand Adc Telecommunications 1

Part of Minnesota