Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Jefferson, WI ranks #10,648 worldwide for total patents filed all time, with 183 patents from 31 inventors. Leading employers of inventors based in Jefferson, WI include Nelson Industrial, E.I. Du Pont De Nemours And, Cummins Filtration Ip. That works out to 23.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–31 of 31 inventors

Rank Inventor Primary Company Patents
1 Kent J. Kallsen Nelson Industrial 43
2 Jonathan Lightner E.I. Du Pont De Nemours And 32
3 Eric A. Janikowski Cummins Filtration Ip 24
#4 Roland Gleisner USDA 11
#4 Kevin Nedzlek Valenite 11
#6 Brian P. Bourke Spacesaver 9
#7 Duane A. Neumann Road Widener 8
#8 Peter Winnie Generac Power Systems 6
#9 Timothy Lindemann Evoqua Water Technologies 5
#10 Matthew D Wittenberg Johnson Health Tech Co. 4
#11 Mary Tilton Brillian 3
#12 Daniel Christianson 2
#12 Judith M. Johnson 2
#12 Richard L. Schocker Fulton Performance Products 2
#12 Kerry W. Marti 2
#12 Keith Krausse Amgen 2
#12 Michael Repasky Generac Power Systems 2
#12 Richard John Kurlinski Koniniklijke Philips N.V. 2
#19 Earlyn E. Zimmerman 1
#19 Rolland Gleisner 1
#19 Robert Schumacher 1
#19 Hashim A. Rama 1
#19 Bryan P. Stewart Rockwell Automation 1
#19 Susan Sheil 1
#19 John F. Negus 1
#19 Timothy L. Hauser Beloit 1
#19 Nathan A. Wedl 1
#19 Steven L. Hein Ransomes America 1
#19 Philip Clement 1
#19 Dale F. Radtke 1
#19 Taylor James Bahr Orbis 1

Part of Wisconsin