Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Union, MI ranks #14,395 worldwide for total patents filed all time, with 113 patents from 34 inventors. Leading employers of inventors based in Union, MI include Transhield, Morryde International, Ferranti Sciaky.

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 Gregory L. Todt Transhield 22
2 David E. Heitzmann Morryde International 13
3 Timothy J. Haynie Ferranti Sciaky 10
#4 Philip K. Hoopes Reese Products 6
#5 Harold G. Wentzel 5
#5 Aurora F. DeCastro Gds Technology 5
#7 Jack G. Barben Penda 4
#7 Dennis E. Fuller 4
#7 Jason Barhydt Leer Group 4
#10 Dennis Leon Haeck 3
#10 Kirk A. Myers Carter Associates 3
#10 Cary J. Harwood 3
#10 Sally E. Cahill Bayer Healthcare 3
#10 James S. Southard Kimball International 3
#15 Aurora L. Fernandez de Castro 2
#15 George A. Moyer 2
#15 Gerald Kasner 2
#15 Donald E. Culveyhouse Hall Surgical Div. Of Zimmer 2
#15 Aurora L. Fernandez DeCastro 2
#20 Eugene F. Davenport 1
#20 Michael S. Stutz 1
#20 Sydney Hagerty Dover Associates 1
#20 Aurora L. Fernandez-DeCastro Unknown 1
#20 Steven R. Bachman Miles 1
#20 David Nethers 1
#20 Donald F. Voelkert 1
#20 Robin L. Jaworski 1
#20 James E. Slager Miles Laboratories 1
#20 Christopher J. Jawarski 1
#20 Beverly T. Adams 1
#20 Kevin Bestul Forest River 1
#20 William P. Pleasants, III 1
#20 Terrence P. McGrath 1
#20 Samuel M. Adams 1

Part of Michigan