Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Plainfield, IN ranks #3,916 worldwide for total patents filed in 2021, with 29 patents from 15 inventors. Leading employers of inventors based in Plainfield, IN include Rolls-Royce North America, Merck, Endress+Hauser Se+Co. Kg. That works out to 0.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Patrick E. Bailey 5
2 Kevin Sauer 4
3 Michael Abraham Karam Rolls-Royce North America 3
3 Andrew Bollman Rolls-Royce North America 3
#5 Mark Jon Blackwelder Rolls-Royce North America 2
#5 Zhijian Lu Merck 2
#5 Tareq Al Qaisi Endress+Hauser Se+Co. Kg 2
#8 John W. Lynn Stack-On Products 1
#8 Mindi D. Moore 1
#8 Jeremy Roehm Rolls-Royce High Temperature Composites 1
#8 Jordan Cook Westfield Outdoor 1
#8 Randall Yablonowski Cpy 2 1
#8 Jason A. Schaefer Pocared Diagnostics 1
#8 Charles Alan Bulgrin 1
#8 John F. Matlik 1

Part of Indiana