Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Freeport, IL ranks #3,601 worldwide for total patents filed all time, with 819 patents from 186 inventors. Leading employers of inventors based in Freeport, IL include Honeywell, Taylor Commercial Foodservice, M Group. That works out to 34.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 186 inventors

Rank Inventor Primary Company Patents
1 Jamie Speldrich Honeywell 54
2 Jeffrey L. Sands Taylor Commercial Foodservice 31
3 Brian S. Potempa M Group 26
#4 Michael M. Potempa M Group 25
#5 Edward H. Donselman Elkay Manufacturing 18
#6 Curtis Johnson Honeywell 17
#7 Gary W. Eisenhower, Jr. Honeywell 16
#8 Richard Gehman Honeywell 15
#8 Joel Stolfus Honeywell 15
#8 Brian Speldrich Honeywell 15
#11 Bruce E. Reid Hydro-Gear Limited Partnership 13
#11 Doyle Raymer King-Seeley Thermos 13
#13 Brad L. Cummins Honeywell 12
#13 Anthony M. Dmytriw Honeywell 12
#15 Michael G. Marchini Honeywell 11
#15 Silvo Stanojevic Exar 11
#15 Hongzhi Kong Delphi Technologies 11
#15 Wayne Lamb Honeywell 11
#15 Michael J. Skarlupka Honeywell 11
#15 Kenneth Gall Honeywell 11
#21 Fred Hintz Honeywell 10
#21 Daniel D. Kilker Ut Automotive Dearborn 10
#21 Richard A. Alderman Honeywell 10
#21 Wilbur Keith Moffatt Greenlee Texron 10
#21 Mark A. Mantua Honeywell 10
#21 Robert L. Cushman Electrolux Home Products 10
#21 Nicholas F. Busch Honeywell 10
#28 Joel E. Leiser Elkay Manufacturing 8
#28 Robert Kitchen Honeywell 8
#28 Robert E. Bicking Honeywell 8
#28 Daniel Johnson S.A. Robotics 8
#28 Timothy A. Christensen Eaton 8
#28 Joseph J. Hanagan Thermos L.L.C. 8
#28 M. Jeremy Lieb Outboard Marine 8
#35 Gregory Furlong Honeywell 7
#35 Dipak J. Negandhi King-Seeley Thermos 7
#35 Dale Peacock Thermos L.L.C. 7
#35 Hans Sitte Agilent Technologies 7
#35 Duane J. Sies Honeywell 7
#40 Thomas R. Giuffre Honeywell 6
#40 Michael S. Marszalec Elkay Manufacturing 6
#40 Kent E. Van Ostrand Honeywell 6
#43 W. Keith Moffatt Greenlee Texron 5
#43 Greg R. Furlong Honeywell 5
#43 Peter J. Puskas Ultrasonic Power 5
#43 Kenneth Bechtold Honeywell 5
#47 John A. Elsenheimer Newell Operating 4
#47 Kenneth L. Eichholz, Jr. Honeywell 4
#47 S. Todd Sanders Honeywell 4
#47 Robert H. Kimes 4

Part of Illinois