Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Alexandria, SD ranks #27,026 worldwide for total patents filed all time, with 39 patents from 3 inventors. Leading employers of inventors based in Alexandria, SD include Roofguard Manufacturing, Dakota Manufacturing Company, Kustom Cycles. That works out to 60.1 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 Donald G. Huber Roofguard Manufacturing 35
2 Don L. Huber Dakota Manufacturing Company 2
2 Jason P. Hanson Kustom Cycles 2

Part of South Dakota