Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Spearfish, SD ranks #9,727 worldwide for total patents filed in 2019, with 9 patents from 6 inventors. Leading employers of inventors based in Spearfish, SD include Sram. That works out to 0.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 John Eppen Sram 2
1 OWEN ANDERS BRITTON Sram 2
1 Ryan Jennings Sram 2
#4 James Meyer Sram 1
#4 Linda Moffett 1
#4 TREVOR KRUGMAN Sram 1

Part of South Dakota