Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Northfield, IL ranks #5,942 worldwide for total patents filed all time, with 424 patents from 110 inventors. Leading employers of inventors based in Northfield, IL include Allstate Insurance, Northwestern University, Papermasters. That works out to 73.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 110 inventors

Rank Inventor Primary Company Patents
1 Kurt M. Stricker Allstate Insurance 41
2 Joseph T. Hupp Northwestern University 31
3 John K. Volkert Papermasters 25
#4 Scott Yu-Fan Chu Integrated Device Technology 20
#5 John G Louis 15
#6 Robert Knight Cohesionib 14
#7 Michael M. Shulski Wm. Wrigley Jr. 13
#8 Robert Adler Elo Touchsystems 12
#8 Henry P. Glass Unknown 12
#10 David E. Detlefsen Bally Gaming 10
#10 Valentine Hechler, IV Unknown 10
#12 Ronald L. Schultz GE 7
#12 Srinivas Chari IBM 7
#12 Victor Viner V2 Fitness 7
#12 Stephen M. Collins Clearwater Holdings 7
#12 Leo P. Niemiec Lawnware Products 7
#17 Arun Kousik Medline Industries, Lp 6
#17 Edward H. Ruff Santa'S Best 6
#17 Andrew M. Volkert Volkert 6
#20 Sho Chen Sabratek 5
#20 Lewis J. Milton Motorola 5
#20 Deborah Zelinsky Unknown 5
#20 Jon D. Poulos 5
#20 Suzy Zeng 5
#25 Catherine S. Thomas Chicagoland Grows 4
#25 Larry Allen Thermogen 4
#25 Xiang PAN City University Of Hong Kong 4
#25 Norbert L. Cwik Quake Industries 4
#25 Srdjan Mirkovic Decima Spine 4
#25 Rhett R. Dennerline 4
#31 John Coulter Aeg Westinghouse Transportation Systems 3
#31 Gary W. Hardesty S&C Electric 3
#31 Eli Charles Share Robert Bosch Tool 3
#31 Frank J. Charhut 3
#31 William Shelley 3
#31 Robert B. Pfannkuch Bell And Howell 3
#31 Howard Downs Cognizant Trizetto Software Group 3
#31 Lois R. Sherry Abbott 3
#31 Louis Weber Publication International 3
#31 Dogan Civgin Allstate Insurance 3
#41 Morton Goldsholl 2
#41 Byron A. Denenberg 2
#41 Xiuguang A. Guo Cargill, Incorporated 2
#41 Thomas Bolling 2
#41 Jonathan Mohandessi Stepan 2
#41 Susan B. Findlay 2
#41 Ahmet Baris Taser Blackhawk Network 2
#41 Judson F. Stone 2
#41 Porter T. McCauley Cole-Parmer Instrument Company 2
#41 Walter Glass American Louver 2

Part of Illinois