Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Marshfield, WI ranks #9,907 worldwide for total patents filed all time, with 203 patents from 72 inventors. Leading employers of inventors based in Marshfield, WI include Bally Gaming, Celera, Kerr-Mcgee Chemical. That works out to 10.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 72 inventors

Rank Inventor Primary Company Patents
1 Mettu R. Reddy Bally Gaming 15
2 Steven Schrodi Celera 14
3 S. Hudson Owen Kerr-Mcgee Chemical 12
#4 Justin Marshall Lafferty Curt G. Joa 10
#4 Timothy J. Isenberg Cheese & Whey Systems 10
#4 John E. Zirbel Cheese & Whey Systems 10
#4 Frank Wilhelm Newfrey 10
#8 James L. Wirsbinski J. I. Case 9
#9 Simon Larson Siemens Energy 8
#10 Tom Faciszewski Medicine Lodge 6
#10 Nicholas F. DeNardis Transpo Electronics 6
#12 Shane Wiercinski Siemens Energy 5
#13 Vern L. Ader 4
#13 Vitaly Herasevich Mayo Foundation 4
#15 Matthew Meyer C2N Diagnostics 3
#15 Eric P. Hansotia Unknown 3
#15 Vernon R. Berg, Jr. 3
#15 Bruce Edward DeLau 3
#15 Kale Schulte Visteon Global Technologies 3
#20 Mark J. Weber Ese Co. 2
#20 Wesley C. Kuehl 2
#20 Donald G. Pannhoff Imi Cornelius 2
#20 James Banks 2
#20 William P. Wendt 2
#20 John Seehafer Alpha Technology U.S.A. 2
#20 Travis Pischel Gamber-Johnson 2
#20 David Dejarlais 2
#20 Craig J. Scholin 2
#20 Shubel Hudson Owen 2
#20 Steve Bartsch 2
#20 James K. Burmester Marshfield Clinic 2
#32 Terry Rusch Marshfield Clinic 1
#32 Pamela J. Squires Marshfield Clinic 1
#32 Kurt D. Reed Marshfield Clinic 1
#32 Doug Spannring HGST 1
#32 Scott Martin Ertl 1
#32 Duane A. Tewksbury Marshfield Clinic 1
#32 Jianhong Che Marshfield Clinic 1
#32 Jon P. Chudyk Marshfield Clinic 1
#32 Angela Zirbel 1
#32 John D. Ewing 1
#32 Kim M. Fieweger Marshfield Clinic 1
#32 Monte W. Haugland 1
#32 John Williams Helios Pompano 1
#32 Mark Allen Eckes 1
#32 Howard J. Larsen WARF 1
#32 Wayne C. Mielke Land O'Lakes 1
#32 Alan P Deiler 1
#32 Leon D. Gustafson Land O'Lakes 1
#32 Patrick J. Langreck 1

Part of Wisconsin