Springfield, IL All Time

1,505 patents  ·  358 inventors  ·  13.2/1k pop.

Ranked #2,678 of 111,555 cities Top 3%

Showing 1–50 of 358 inventors

Rank Inventor Primary Company Patents
1 Christopher Hardy Design Ideas 111
2 Rick A. Briggs Whitewater West Industries 73
3 R. Neal Post Design Ideas 65
#4 Jeffrey Hall Monsanto Technology 56
#4 John T. Knepler Bunn-O-Matic 56
#6 Terence P. Purcell IBM 55
#7 Dean Ulbrich Monsanto Technology 43
#8 William E. Midden Bunn-O-Matic 32
#9 Arthur H. Bunn Bunn-O-Matic 27
#10 Burton L. Hart Bunn-O-Matic 24
#11 Suresh Radhakrishnan Bunn-O-Matic 23
#12 Charles H. Clark Bunn-O-Matic 22
#12 John J. Lord Access Business Group International 22
#14 Otto Koch Bayer Healthcare 21
#15 John Zimmerman Philips 20
#16 Randy D. Pope Bunn-O-Matic 18
#16 Duane Lee Marzinzik State Farm 18
#18 Vaidya Balasubramanian Pillai State Farm 17
#19 Keith A. Kabrick Caterpillar 14
#20 Robert W. Fox Hubbell Incorporated 13
#21 Wayne F. Gorsek Vitacost.Com 12
#21 Mina Andujar Design Ideas 12
#23 David C. Reardon Unknown 11
#23 Kenneth W. Stover Bunn-O-Matic 11
#23 Christopher W. Rahn Bunn-O-Matic 11
#23 Donald E. Wiley Bunn-O-Matic 11
#23 Ronald W. Steffen Dickey-John 11
#28 Jason M. Banning Bunn-O-Matic 10
#28 James A. McGill — 10
#30 David K. Wyness Chicago Bridge & Iron 9
#30 John Bodjack Faro Technologies 9
#30 Jason Walsh Design Ideas 9
#33 Mark W. Bandixen Bunn-O-Matic 8
#33 Thomas E. Baird The Scott Fetzer 8
#33 Rex Allen Rogers Bunn-O-Matic 8
#33 Peter Gale Precision Medical Partners 8
#33 John D. Bishop Bunn-O-Matic 8
#33 Eric Alan Samuelson Eaton 8
#33 Krishna Rocha-Singh Cardiosonic 8
#40 Patrick Nudo — 7
#40 Seth Cody Ensign The Goodyear Tire & Rubber 7
#40 William Krause Baker Oil Tools 7
#40 Ronald L. Voller — 7
#40 Timothy O. Green — 7
#40 Steven H. Plume Emerson Electric 7
#46 James D. Freeman — 6
#46 Joel MORTON Dickey-John 6
#46 Alexander S. Nudo — 6
#46 Michelle Williams Cadence Design Systems 6
#46 Kent James Amvac Chemical 6

Part of Illinois