Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Canton, SD ranks #28,583 worldwide for total patents filed in 2022, with 1 patent from 1 inventor. Leading employers of inventors based in Canton, SD include Copper John. That works out to 0.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–1 of 1 inventors

Rank Inventor Primary Company Patents
1 Eric C. Springer Copper John 1

Part of South Dakota