Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Watertown, SD ranks #10,221 worldwide for total patents filed all time, with 194 patents from 83 inventors. Leading employers of inventors based in Watertown, SD include Lsi, Goodrich, Illinois Tool Works. That works out to 8.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 83 inventors

Rank Inventor Primary Company Patents
1 David Noeldner Lsi 22
2 Jean C. Rodriguez Goodrich 11
3 Robert W. Wakeman Illinois Tool Works 10
#4 David Levasseur Teradyne 8
#5 John P. Devine 7
#6 Ryan Mark Hansen Daktronics 6
#6 Danny A. Heaton 6
#8 Todd Settergren Tyco Electronics Co. 4
#8 Kenneth L. Norberg 4
#8 Matthew Brant Frey 4
#8 Keith W. Carlson 4
#8 Harold B. Henley 4
#13 Jimmy D. Holdahl Tyco Electronics Co. 3
#13 Bruce A. Buhler Illinois Tool Works 3
#13 Byron M. Dahl Esco Group 3
#13 Wally Brownlee 3
#13 Charles A. Schulte Delaware Capital Formation 3
#13 Charles H. Raml 3
#19 Nick Ksenych 2
#19 Rod Redlin 2
#19 Quentin Grismer 2
#19 Vincent Foley Analog Devices 2
#19 Jay E. Grabow 2
#19 Angelo A. Polsinelli 2
#19 Les Robinson 2
#19 Eric W. Beutler 2
#19 Jay Christenson Best Gen Modular 2
#19 Zachary FUNG Terex South Dakota 2
#19 Arnold A. Koistinen 2
#19 Wendell E. Corbett Unknown 2
#19 Charles T. Lanning 2
#19 John H. Holmquest 2
#19 Arne Ray Anderson Clam 2
#19 Gregory L. Fischer Clark Equipment 2
#19 Tom Devine 2
#19 Donald Burnell Rigdon 2
#19 David A. Abel 2
#19 Terrence P. Duggins 2
#19 Gary A. Foos Illinois Tool Works 2
#40 Randall R. Peterson Unknown 1
#40 Jonathan David Tesch 1
#40 Shannon Kruse 1
#40 Marvin P. Eggen 1
#40 Merle A. Bruner 1
#40 James S. Stadheim 1
#40 Eugene E. McManus 1
#40 Don Jellis 1
#40 Jackie Schaefer 1
#40 Glenn A. Sorlien Fki Industries 1
#40 David S. Brandriet 1

Part of South Dakota