Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hartford, SD ranks #13,266 worldwide for total patents filed in 2021, with 5 patents from 5 inventors. Leading employers of inventors based in Hartford, SD include Alumend, Terex Usa, Daktronics. That works out to 1.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Barbara R. Haberer Alumend 1
1 Thomas Walter Spisak Terex Usa 1
1 Stephen Nathaniel Bostrom Daktronics 1
1 Camille Kelly Nelson Poet Research 1
1 Cyrus Albright 1

Part of South Dakota