Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sioux Falls, SD ranks #1,461 worldwide for total patents filed all time, with 2,309 patents from 532 inventors. Leading employers of inventors based in Sioux Falls, SD include Monsanto Technology, Pioneer (Corteva), Hansen Engine. That works out to 12.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 532 inventors

Rank Inventor Primary Company Patents
1 Roger L. Lussenden Monsanto Technology 216
2 Debra Kay Steiger Pioneer (Corteva) 103
3 Craig N. Hansen Hansen Engine 61
#4 Gerhard P Weber Pioneer (Corteva) 59
#5 Patrick W. Kelly Sanford Health 55
#6 Vance M. Thompson Tearoptix 41
#7 David Schiller Bedford Industries 31
#7 Stephen M. Lewis Poet Research 31
#9 Gary E. Tagtow Amesbury Group 28
#10 Mark West Raven Industries 24
#10 Daniel S. Smith Curators Of The University Of Missouri 24
#10 Jeffrey D. Tschetter Bedford Industries 24
#13 John Berdahl Unknown 23
#13 Mark D. Johnson Master Lock Company 23
#13 Jason Bootsma Poet Research 23
#16 Randy Cowan Goldman Sachs 22
#16 Tracy Lammers Amesbury Group 22
#18 Mark Greer Laser Band 21
#19 David Hoffman Monsanto Technology 20
#19 Jared Ernest Kocer Raven Industries 20
#19 Yoshimi Kuroiwa Kyowa Hakko Kirin Co. 20
#22 Alex Pearson Pearson Incorporated 19
#22 Angus Macdonald Davis Tellme Networks 19
#22 Steven T. Bly Poet Research 19
#22 Derin Michael Zerr Sonifi Solutions 19
#26 Roy Olson Pearson Incorporated 18
#27 Andrew J. Manning Poet Research 16
#28 Chi Li Ford 15
#28 James J. Anderson Mastercard 15
#30 Lawrence J. VerSteeg Amesbury Group 14
#30 David M. Christensen Empire Comfort Systems 14
#32 Diane Miller Production Resource Group, L.L.C. 12
#32 Alex T. McCurdy Poet Research 12
#32 Cory J. Sarks Poet Research 12
#32 David Allan Swanson Sanford Health 12
#32 Douglas Samuel Prairie Case Gmbh 12
#37 Allen Rickenbaugh Amesbury Group 11
#37 Eric Aasen GE 11
#37 Leon P. Stoel Lodgenet Entertainment 11
#37 James V. Pottala Motorola 11
#37 John W. Lawton, Jr. Poet Research 11
#37 Yuyu Sun University Of Texas System 11
#37 Kory D. Kludt Daktronics 11
#37 James M. Geraets Poet Research 11
#37 Derek Joel Mazula Integrated Composite Products 11
#46 Nicholas O. Michael Raven Industries 10
#46 Stuart J. Uken Amesbury Group 10
#46 Hiroaki Matsushita Chugai Pharmaceutical 10
#49 Timothy D. Miller Lubrizol Advanced Materials 9
#49 Kevin J. Vaska Alumend 9

Part of South Dakota