Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cassopolis, MI ranks #12,279 worldwide for total patents filed all time, with 146 patents from 31 inventors. Leading employers of inventors based in Cassopolis, MI include Lippert Components Manufacturing, Bayer Healthcare, Dometic Sweden Ab. That works out to 85.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–31 of 31 inventors

Rank Inventor Primary Company Patents
1 Michael A. Schwindaman Lippert Components Manufacturing 24
2 Greg P. Beer Bayer Healthcare 19
3 Darren M. Grumm Dometic Sweden Ab 17
#4 Tommy Y. Leung Asante Technologies 11
#5 William A. Aske Norco Industries 9
#6 Jon L. Krager Reese Products 8
#6 Daniel John Wagner Ecolab Usa 8
#8 Elmer J. Subera Tyler Refrigeration 6
#9 Keith Miles Fpinnovations 5
#9 H. Edward Lowe Unknown 5
#11 Charles E. Brothers Miles Laboratories 3
#11 Carol A. Terry Environmental Test Systems 3
#11 Richard M. Anders Composite Tech Holdings Limited 3
#11 David W. Severson Indiana University Research And Technology 3
#11 Nickie L. Stanage 3
#16 Gary L. Ray Dura Automotive Systems 2
#16 William Westrate 2
#16 John L. Aleva Leer Group 2
#19 Nicholas P. Kraus 1
#19 Jack J. Biek 1
#19 Wesley Christian Brubaker 1
#19 Lawrence W. Holz Msx Consulting 1
#19 Rolfe L. Wells 1
#19 Roger D. Bowser 1
#19 Robert W. Graff 1
#19 Timothy P. Braun Emnet 1
#19 Cory Harding Products Unlimited 1
#19 Cathy A. LaPointe 1
#19 M. Darren Grumm Excel Industries 1
#19 Joseph L. Blazek 1
#19 Mary Foltz Miles 1

Part of Michigan