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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Windham, OH ranks #30,108 worldwide for total patents filed all time, with 32 patents from 10 inventors. Leading employers of inventors based in Windham, OH include R B & W, Layer Zero Power Systems, W.R. Grace & Co.-Conn.. That works out to 19.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Stanley H. Umbel R B & W 9
2 Mijo Dejanovic Layer Zero Power Systems 6
3 Wesley P. Bullock W.R. Grace & Co.-Conn. 5
#4 Daniel T. Lassiter 3
#5 John Raley IBM 2
#5 Danny Finley Unknown 2
#5 Gary Joe Hamlin General Motors 2
#8 Matthew M. Knepper Selas Heat Technology Company 1
#8 Jospeh T Hickman 1
#8 Andrew C. Brunn Parker-Hannifin 1

Part of Ohio