Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Norwalk, CT ranks #823 worldwide for total patents filed all time, with 4,086 patents from 720 inventors. Leading employers of inventors based in Norwalk, CT include United States Surgical, Covidien Lp, IBM. That works out to 44.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 720 inventors

Rank Inventor Primary Company Patents
1 David T. Green United States Surgical 241
2 Jacob C. Baril Covidien Lp 184
3 Arun Hampapur IBM 173
#4 Stuart A. Schweid Xerox 125
#5 Henry Bolanos United States Surgical 121
#6 Joseph P. Orban, III Intuitive Surgical 78
#7 Glenn William Kaye Henkel Ag & Co. Kgaa 72
#8 Alton B. Eckert Pitney Bowes 54
#9 Eric Juntwait Hon Hai Precision Ind. Co. 53
#10 Charles A. Curtiss Stokely-Van Camp 49
#11 Kenneth A. Goldman IBM 46
#12 Walter J. Kulpa Pitney Bowes 40
#13 George Brookner Neopost Technologies 39
#14 Thomas P. Blackadar Nike 38
#15 Demetri Giannopoulos Philips 36
#16 Constantin Mircea Adam IBM 35
#17 Richard A. McGarry United States Surgical 32
#18 Louis Rosati Cytec Technology 31
#19 Stephen R. W. Cooper Trw Limited 30
#20 Vichai Levy Protegrity 29
#21 Lev Ryzhikov Asml Holding N.V. 28
#21 Matthew E. Hermes United States Surgical 28
#23 Geoffrey Zampiello AT&T 27
#23 Lawrence A. Flood Cytec Technology 27
#23 Donald J. Mattis Casco Products 27
#26 Michael P. Chesterfield United States Surgical 26
#27 Jean-Hiram Coffy Pitney Bowes 25
#28 Richard A. Bernard Pitney Bowes 24
#28 Pradeep K. Govil Asml Holding N.V. 24
#30 Punyashloka Biswal Palantir Technologies 21
#30 James J. Coffey Cfph 21
#30 Anthony Storace Pitney Bowes 21
#33 Po Hu Mastercard 20
#33 Jason Hintersteiner Asml Holding N.V. 20
#35 Wenceslao A. Cebuhar Asml Holding N.V. 19
#36 Nagabhushanam Totakura United States Surgical 18
#37 Francisco Jose Restrepo Duracell U.S. Operations 17
#37 Christopher L. Helbling Verizon 17
#37 John G. Maxim Unknown 17
#37 Daniel Murphy Synchrony Bank 17
#37 Jeno G. Szita Cytec Technology 17
#42 John H. Steinmetz Pitney Bowes 16
#42 Graham W. Bryan United States Surgical 16
#44 Clare E. Woodman Pitney Bowes 15
#44 Raymond S. Farinato Cytec Technology 15
#44 Matthew Murray Sony 15
#44 Paul G. Saviano Perkinelmer 15
#44 Laura D. Elliott Johnson & Johnson 15
#49 Zachary T. Smith Igt 14
#50 Craig D. Cuttner General Instrument 13

Part of Connecticut