Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bismarck, ND ranks #4,155 worldwide for total patents filed all time, with 680 patents from 226 inventors. Leading employers of inventors based in Bismarck, ND include Clark Equipment, AT&T, Envirogen. That works out to 9.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 226 inventors

Rank Inventor Primary Company Patents
1 Daniel J. Krieger Clark Equipment 26
2 Michael D. Wetzel Clark Equipment 20
3 Matthew J. Kaldor Clark Equipment 15
3 Oryn B. Wagner Clark Equipment 15
#5 Jonathan J. Roehrl Clark Equipment 14
#5 Charles Young Clark Equipment 14
#7 John Pfaff Clark Equipment 13
#8 Patrick Kuhn Clark Equipment 12
#8 Jane Marie Simmons AT&T 12
#8 Dennis A. Fuller Clark Equipment 12
#8 Knute K. Brock Clark Equipment 12
#12 Troy D. Kraft Clark Equipment 11
#12 Scott N. Schuh Clark Equipment 11
#14 Robert Jon Steffan Envirogen 10
#14 Bernard R. Schumacher 10
#14 Jeremy A. Harms Clark Equipment 10
#17 David Glasser Clark Equipment 9
#17 Brandon J. Kisse Clark Equipment 9
#17 Brent Durkin Clark Equipment 9
#17 Tyler Jeffrey Beauchamp Asana 9
#21 William C. Shelbourn Clark Equipment 8
#21 Kevin J. Zent Clark Equipment 8
#21 Ryan Eberhardt Arctic Cat 8
#24 Corey Alan Johnson China Pacificarbide 7
#24 Shawn M. Bauer Clark Equipment 7
#24 Jason J. Asche Clark Equipment 7
#24 Gerald J. Duppong Clark Equipment 7
#24 Weston Lee Hecker Ncr 7
#24 Jeret L. Hoesel Clark Equipment 7
#30 Marty Carpenter Clark Equipment 6
#30 John H. Warford, III Dakota Dental Development 6
#30 Scott Becker Clark Equipment 6
#30 Wallace T. Wheeler The Texacone 6
#30 Cody Erhardt Clark Equipment 6
#30 Mark W. Binstock Clark Equipment 6
#30 David A. Owens Clark Equipment 6
#30 Matthew Sagaser Doosan Bobcat North America 6
#38 Matt Sagaser Doosan Bobcat North America 5
#38 Brandon D. Leverson Clark Equipment 5
#38 Scott J. LaCoe Clark Equipment 5
#38 Robert R. Lacher Clark Equipment 5
#38 Gunter Matt Ingersoll-Rand 5
#38 Donald K. Schmidt Clark Equipment 5
#38 Jay A. Schmeichel 5
#38 Albert G. Schoonover 5
#46 Boston Zachmann Doosan Bobcat North America 4
#46 Michael A. Vig Clark Equipment 4
#46 Michael Riepl Unknown 4
#46 Eric Zabel Clark Equipment 4
#46 Charles W. Bullinger Great River Energy 4

Part of North Dakota