Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chester, SD ranks #64,437 worldwide for total patents filed all time, with 6 patents from 5 inventors. Leading employers of inventors based in Chester, SD include Timbren Industries, Daktronics. That works out to 23.4 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 Brian L. Reynolds Timbren Industries 2
2 Daniel E. Apland 1
2 Jimmy Krsnak 1
2 David G. Philips Daktronics 1
2 Tye Heidelberger 1

Part of South Dakota