Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Delavan, WI ranks #8,325 worldwide for total patents filed all time, with 262 patents from 69 inventors. Leading employers of inventors based in Delavan, WI include Blue Skies Global, K.W. Muth Company, Watlow Electric Manufacturing. That works out to 30.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 69 inventors

Rank Inventor Primary Company Patents
1 Paul F. Nehlen, III Blue Skies Global 18
2 Allen A. Bukosky K.W. Muth Company 17
3 William C. Schuh Watlow Electric Manufacturing 16
3 William F. Chapman, III Motorola 16
#5 Jeffery C. Emmerich Weber-Stephen Products 14
#6 Scott A. Woods HP 13
#7 Christopher J. Rozman Sundstrand 12
#8 Aaron E. Painter 11
#9 David M. Kucharski Hamilton Sundstrand 9
#10 Tracy A. Markling Poly-Flex 8
#11 James Walby 7
#11 Scott J. Emmerich 7
#13 J. Michael Clumpner Lce Partnership 6
#14 Jeanne Yaunke Caterpillar 5
#14 Michael Clumpner Nova Molecular Technologies 5
#14 Davin T. Heyd Bracemasters International 5
#17 Christine Richardson Generac Power Systems 4
#17 Lewis James Danforth Tcl 4
#17 Theresa A. Foley Spx 4
#17 Richard Claypool Cameron Sta-Rite Industries 4
#17 Aaron Beaver San Jamar 4
#17 William Mitchell Ilsco 4
#23 Monroe Putnam 3
#23 William M. Kralovec Sta-Rite Industries 3
#23 John Mathews IBM 3
#23 Steven D. Schneider Sta-Rite Industries 3
#23 Timothy F. O'Keefe Bracemasters International 3
#28 LaVerne L. Frey Borg Instruments Ag 2
#28 Christopher J. Beall 2
#28 Raymond Gosz Fairbanks Morse 2
#28 Judy A. Morris Continental Plastic 2
#28 Chris Fredrickson Swimc 2
#28 William Darling Kendro Laboratory Products 2
#28 Karlheinz H. Bockholt Western Publishing Co. 2
#28 Sal Cialdella Howard Foundation Holdings 2
#28 Curtis L. Hagen Spx 2
#28 Jon Michael Clumpner Nova Molecular Technologies 2
#28 Richard R. Alter Continental Plastic 2
#28 Kristopfer Lee Weiner Power Solutions International 2
#40 Thomas A. McQueen 1
#40 Karl H. Bockholt Master Appliance 1
#40 Elton K. Feffer Continental Plastic 1
#40 Mark A. Abbott Quartex, Division Of Primex 1
#40 Peter J. McDonough Elgin Sweeper 1
#40 Sebastien Buzit Pentair Flow Technologies 1
#40 Richard James Szczepanski 1
#40 Robin J. Fields 1
#40 Akshay Hoskote Novares Us Engine Components 1
#40 Chris Corbett Novares Us Engine Components 1
#40 Craig S. Hubertz Cree 1

Part of Wisconsin