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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Darien, WI ranks #23,811 worldwide for total patents filed all time, with 49 patents from 11 inventors. Leading employers of inventors based in Darien, WI include Ligchine International, Tps Ip, Miniature Precision Components. That works out to 31.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Peter A. Ligman Ligchine International 14
2 Jon Allen Ludlum Tps Ip 13
3 Daniel G. Baughman 6
#4 Brent J. Ertl Miniature Precision Components 5
#5 Steve Damon Agrigenics 4
#6 Nathan Levande Provisur Technologies 2
#7 Somchai Sahachaisere Sta-Rite Industries 1
#7 Brad S. Gramly 1
#7 Andrew Brovold 1
#7 Matt Leroy 1
#7 Timothy R. Bliss 1

Part of Wisconsin