Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Stoughton, WI ranks #2,208 worldwide for total patents filed all time, with 1,436 patents from 201 inventors. Leading employers of inventors based in Stoughton, WI include Cummins Filtration Ip, Pioneer (Corteva), Mallinckrodt Hospital Products Ip Unlimited. That works out to 109.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 201 inventors

Rank Inventor Primary Company Patents
1 Peter K. Herman Cummins Filtration Ip 126
2 Barry M. Verdegan Cummins Filtration Ip 111
3 Michael Adam Chandler Pioneer (Corteva) 75
#4 Mark V. Holzmann Cummins Filtration Ip 66
#5 Craig R. Tolmie Mallinckrodt Hospital Products Ip Unlimited 47
#6 Arun P. Janakiraman Cummins Filtration Ip 38
#7 Michael J. Connor Cummins Filtration Ip 37
#8 Andrew Burroughs Lifeline Scientific 36
#8 Benjamin L. Scheckel Cummins Filtration Ip 36
#10 Scott P. Heckel Cummins Filtration Ip 31
#11 Michael W. Kaiser Third Wave Technologies 29
#12 Craig Clerkin Heartland Ag Tech 27
#13 Noel R. Johnson Johnson Health Tech Co. 25
#13 Jeffrey S. Morgan Nelson Industrial 25
#13 Francis S. Smidler Wabash National 25
#16 Chad Zimprich Promega 23
#17 Brian Wylie Wolf Appliance 18
#18 Laura E. Strong Quintessence Biosciences 17
#19 Tadeusz Jaroszczyk Nelson Industrial 16
#19 Kelly R. Schmitz Cummins Filtration Ip 16
#19 Jens Housley Fiskars Brands 16
#22 Ken Tofsland Cummins Filtration Ip 15
#23 Gregory K. Loken Cummins Filtration Ip 14
#23 Robert Schellin Nelson Global Products 14
#23 Mark Sehmer Promega 14
#23 Jonathan D. Benson Arrowhead Pharmaceuticals 14
#27 William H. Tepp WARF 13
#28 Alan Rapraeger WARF 12
#28 Travis Phillips Promega 12
#28 Kevin Mark Beale American Tel-A-Systems 12
#28 Brian K. Wagner Cummins Filtration Ip 12
#32 Rajan A. Jaisinghani Nelson Industrial 11
#33 Andrew A. Lukowiak Third Wave Technologies 10
#34 Jeffrey T. Sedlacek Fleetguard 9
#34 Gary D. Goplen Nelson Industrial 9
#36 Vincil A. Varghese Cummins Filtration Ip 8
#36 Shane Williams Kuhn North America 8
#36 Andrew Leroy Hjortland Tyco Fire & Security Gmbh 8
#36 Matthew Hennek Energizer Brands 8
#36 Stephanie F. Severance Cummins Filtration Ip 8
#36 Laurence A. Carlson Therma-Stor 8
#42 Richard K. Cole AT&T 7
#42 Jay V. Warner Cummins Filtration Ip 7
#42 Karthik Muruganantham Cummins Emission Solutions 7
#42 Paul M. Hager Iii Holdings 12 7
#42 Kenneth M. Tofsland Cummins Filtration Ip 7
#42 Kaarthik Venkataraman Cummins Filtration Ip 7
#42 Paul Meier Qualcomm 7
#42 Patrick Peterson Gen-Probe Incorporated 7
#42 Thomas O. Roe Cummins Emission Solutions 7

Part of Wisconsin