Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Delafield, WI ranks #4,945 worldwide for total patents filed in 2019, with 23 patents from 14 inventors. Leading employers of inventors based in Delafield, WI include GE, Tetra Laval Holdings & Finance S.A., Innovative Environmental Companies. That works out to 3.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Adrian F. Warner GE 6
2 Gary L. Nesheim Tetra Laval Holdings & Finance S.A. 3
3 Walter Hawkins Innovative Environmental Companies 2
3 Joseph Thomas Dalum Power Technology Holdings 2
#5 Michael E. Wagner Johnson Service 1
#5 David Thomas Rutledge 1
#5 Robert G. Townsend Briggs & Stratton 1
#5 Christopher Rebholz Follicle 1
#5 Richard Edward Gray Milwaukee Electric Tool 1
#5 Paul Kirk Rasmussen Harley-Davidson Motor Company 1
#5 Ben M. Lund Harley-Davidson Motor Company 1
#5 Scott Koss 1
#5 David G. Oteman American Superconductor 1
#5 David R. Bauer Milwaukee Electric Tool 1

Part of Wisconsin