Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Elgin, MN ranks #14,470 worldwide for total patents filed all time, with 112 patents from 13 inventors. Leading employers of inventors based in Elgin, MN include IBM, Mortarless Technologies, Mayo Foundation. That works out to 100.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Michael T. Kalmbach IBM 40
2 Michael J. MacPherson IBM 18
3 Tammy L. Van Hove IBM 17
#4 Gregory Scott Ernst Mortarless Technologies 13
#5 Curtis H. Brobst IBM 10
#6 Dave van Eijl 3
#6 Mark V. Larson Mayo Foundation 3
#8 Charlotte B. Metzger IBM 2
#8 Timothy Jerald McQuire IBM 2
#10 Lawrence Carl Kleppe IBM 1
#10 Timothy McGuire IBM 1
#10 Donald Richard Swanson 1
#10 Gary Michael Melbostad IBM 1

Part of Minnesota