Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Calumet, MI ranks #12,706 worldwide for total patents filed all time, with 138 patents from 30 inventors. Leading employers of inventors based in Calumet, MI include Somero Enterprises, 3M, Delaware Capital Formation. That works out to 222.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–30 of 30 inventors

Rank Inventor Primary Company Patents
1 Philip D. Halonen Somero Enterprises 19
2 Steven John Tarnowski 3M 11
2 Charles Hallstrom Delaware Capital Formation 11
2 William Allen Yates Interlink Electronics 11
#5 Josh E. Loukus Rel 10
#5 Adam R. Loukus Rel 10
#7 David McKinstry Circor Pumps North America 8
#8 Neil Anderson Gunite 7
#9 Neil D. Anderson Poet Research 5
#9 Douglas B. Brumm Michigan Technological University 5
#9 Andrew Halonen Sentera 5
#9 Ryan Kangas Somero Enterprises 5
#13 Gary W. Pennala Michigan Technological University 4
#13 James E. Kangas Somero Enterprises 4
#15 Matthew Paul Kero 3
#15 Thomas Michael Halt Tyco Fire Products Lp 3
#17 Matt Kero Gunite 2
#17 Edward K. Hamar 2
#17 Daniel R. Kemppainen Michigan Technological University 2
#20 Aaron P. Kangas 1
#20 Benjamin H. Daavettila General Motors 1
#20 Roy H. Loukus 1
#20 John J. Perrero 1
#20 James Kuusisto 1
#20 Vernon W. Kangas USDA 1
#20 Tony Mendelin, legal representative 1
#20 George L. Oikarinen 1
#20 Donald Elander 1
#20 Paul H. Poyhonen Delaware Capital Formation 1
#20 Lyon Brad King Michigan Technological University 1

Part of Michigan