Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Newtown, CT ranks #1,772 worldwide for total patents filed all time, with 1,873 patents from 309 inventors. Leading employers of inventors based in Newtown, CT include The Procter & Gamble, Advanced Technology & Materials Co., Covidien Lp. That works out to 978.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 309 inventors

Rank Inventor Primary Company Patents
1 Peter Brian Clarke The Procter & Gamble 88
2 Peter C. Van Buskirk Advanced Technology & Materials Co. 53
3 Gregg Krehel Covidien Lp 46
#4 L. Gordon Letts Nitromed 45
#5 Azeez Bhavnagarwala NVIDIA 40
#6 John Proudfoot BOE 37
#7 Miro S. Cater Bespak Plc 33
#7 Marshall L. Grant Mannkind 33
#9 John R. Masotta Pitney Bowes 32
#10 John Coates Saam 29
#11 Joseph Oreste Carnali Conopco 27
#11 Michael Ryan Cidra Corporate Services 27
#11 Michael J. Burke BOE 27
#14 Robert Wright, Jr. Entegris 25
#15 Christopher Mason Asml Holding N.V. 24
#16 Robert Owen Hughes BOE 23
#16 Robert J. Schroeder Schlumberger Technology 23
#18 Thomas M. Cameron Entegris 21
#18 William Fitler Morris Duracell U.S. Operations 21
#18 Melissa A. Petruska Entegris 21
#21 Sergiu G. Mihu Rheem Manufacturing 20
#21 Donald L. Ferris RTX (Raytheon) 20
#23 Anne B. Eldrup Isis Pharmaceuticals 18
#23 Harry F. Smith Intel 18
#25 Robert M. Grow Burroughs 17
#25 Paul E. Allen Logic Devices Incorporated 17
#25 David M. Carson Kendro Laboratory Products 17
#25 Stephen W. Gerry United States Surgical 17
#25 Elyse Clark Kool Wraps, L.L.C. 17
#30 Philip Edward Miner 16
#30 Felix Chen Schlumberger Technology 16
#32 Wayne C. Person United States Surgical 15
#32 Nicholas Ihm Bytemark 15
#34 Walter Koda ExxonMobil 14
#34 John M. Wefer Uniroyal 14
#34 Stephen Kubik Sikorsky Aircraft 14
#37 Christopher A. Thornberg Sikorsky Aircraft 13
#37 Deborra J. Zukowski Pitney Bowes 13
#37 Franklin Hargrave Itt 13
#40 Wenda C. Carlyle St. Jude Medical 12
#40 Michael J. Bordash IBM 12
#40 Timothy Christensen Synchrony Bank 12
#40 John Maliskas Gte Communication Systems 12
#44 Barry L. Dumican American Cyanamid 11
#44 William Joyce Advanced Fusion Systems 11
#44 Yong Serock PepsiCo 11
#44 Andrew H. Jones B&W Group 11
#44 Barry H. Axelrod Pitney Bowes 11
#49 Peter D'Amico Mercutek 10
#49 William B. Telfair Visx, Incorporated 10

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