Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chester, MD ranks #10,793 worldwide for total patents filed in 2021, with 7 patents from 2 inventors. Leading employers of inventors based in Chester, MD include Black & Decker. That works out to 1.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–2 of 2 inventors

Rank Inventor Primary Company Patents
1 James R. Windgassen 5
2 Corey Jacob Salemi Black & Decker 2

Part of Maryland