Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Park Forest, IL ranks #6,248 worldwide for total patents filed all time, with 394 patents from 101 inventors. Leading employers of inventors based in Park Forest, IL include Viskase Companies, IBM, Electric Power Research Institute. That works out to 18.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 101 inventors

Rank Inventor Primary Company Patents
1 Stanley Lustig Viskase Companies 38
2 David A. George IBM 32
3 Richard D. Smith Electric Power Research Institute 25
#4 Eugene H. Hirschberg Standard Oil Company (Indiana) 19
#5 P. Sean Gallagher S-B Power Tool 17
#5 Matthew M. Wagner Panduit 17
#7 James A. Brownlee Panduit 15
#7 Brian G. Markey Icu Medical 15
#9 Howard L. Gerber Inland Steel 12
#10 Michael E. Hrinda Rhone-Poulenc Rorer Pharmaceuticals 11
#11 Fred Feldman NVIDIA 10
#11 Ronald Pinaire Koch Engineering Company 10
#13 Roger H. Jansma Nalco Chemical 8
#14 George H. Scherr Deroyal Industries 7
#15 Curt Brown The Idod Trust 5
#15 Jon S. Elliott Unknown 5
#15 William F. Wolff Standard Oil Company (Indiana) 5
#15 James P. Gallagher Atlantic Richfield 5
#15 Aaron James Starling 5
#15 Eddie C. Gay US Dept of Energy 5
#21 Kermit D. Longley Witco Chemical 4
#21 F. Paul Marshall White Cap 4
#21 Alexander Stiles Holland 4
#21 Du Y. Hsiung Helene Curtis Industries 4
#21 Melanie M. Hagar Panduit 4
#26 Richard Peter Ericson Ameritech 3
#26 Stanley Perlman Intec 3
#26 Robert Timm 3
#26 James A. Henkel Amsted Industries Incorporated 3
#26 Henry Erickson Atlantic Richfield 3
#26 Willie M. Curry NVIDIA 3
#26 Takashi Enkoji Aventis Behring Gmbh 3
#26 Sherman Susman US Dept of Energy 3
#34 Paula M. Fuller 2
#34 Gary L. Wood Unknown 2
#34 Kiyoshi Norikane 2
#34 Gerald J. Bender R. R. Donnelley & Sons 2
#34 Lee R. Ullery, Jr. Continental Can Company 2
#34 William J. Yapp The Sherwin-Williams 2
#34 Frederick R. Kin Ari Technologies 2
#34 Martin J. Steindler US Dept of Energy 2
#34 Anthony P. Wagener The Sherwin-Williams 2
#34 Richard M. Purpura Panduit 2
#34 Tracy E. Ustinov Applied Systems 2
#34 Terrell Wilson 2
#34 William Kanellos 2
#34 Harold Herman US Dept of Energy 2
#34 Kurt Gutfreund Unknown 2
#34 ROBERT DONAHUE Unknown 2
#50 Thomas Ramon Amsted Industries Incorporated 1

Part of Illinois