Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Springfield, TN ranks #9,339 worldwide for total patents filed all time, with 220 patents from 52 inventors. Leading employers of inventors based in Springfield, TN include Electrolux Home Products, Illinois Tool Works, Plum Laboratories. That works out to 11.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 Steven M. Swayne Electrolux Home Products 29
2 Grant McGuffey Illinois Tool Works 22
2 Michael Padgett Electrolux Home Products 22
#4 Dawson Lee Williams Plum Laboratories 16
#5 Andrew Worley Electrolux Home Products 12
#6 Warren Fowler Electrolux Home Products 10
#6 Charles E. Highsmith Unarco Industries 10
#8 Daniel Hill Electrolux Home Products 7
#9 Duane A. Lee White Consolidated Industries 6
#9 James Leavy Eastman Kodak 6
#11 Timothy J. Tupa White Consolidated Industries 5
#11 Sarbjeet S. Kumar 5
#13 R. David Lee 4
#13 Scott M. Speck Electrolux Home Products 4
#13 Jon J. Gretz Wilson Sporting Goods 4
#13 Sondra Denice Proffitt Maytag 4
#17 J. W. Graves 3
#17 Joseph A. Donoho Electrolux Home Products 3
#17 Michael L. Dorris 3
#17 Cathy L. May Electrolux Home Products 3
#17 Richard E. Benton Unr Industries 3
#17 George Lewis Electrolux Home Products 3
#23 Steve Swayne Electrolux Consumer Products 2
#23 Phillip Mark Moss 2
#23 Harold J. Doss 2
#23 Joseph F. Benton Unarco Material Handling 2
#23 Roy E. Brooks 2
#23 Larry L. Keefover White Consolidated Industries 2
#29 Cassidy Rose Graves 1
#29 Rhea-Anne Pendley Electrolux Home Products 1
#29 Kurt Welfel Sonoco Development 1
#29 Catherine L. May Electrolux Home Products 1
#29 Pamela S. Thomason 1
#29 Ronnie Lee Buck, Jr. 1
#29 Sheika Latrice Taylor 1
#29 Diane Marie Gilmore 1
#29 Vernon D. Price Autosense L.L.C. 1
#29 James Lee Gilmore 1
#29 Maureen Mae 1
#29 Paul A. Iannello 1
#29 Billy Joe Armour Wilson Sporting Goods 1
#29 Dave Scottorn Unr Industries 1
#29 William M. Simmons E.I. Du Pont De Nemours And 1
#29 James R. Quarles 1
#29 Raymond L. Vermillion 1
#29 Ronald M. Gallagher Unarco Industries 1
#29 Rick E. Galphin White Consolidated Industries 1
#29 Billy Floyd Willis 1
#29 Debi Ryan 1
#29 Harvey W. Coombs 1

Part of Tennessee