Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Guilford, CT ranks #888 worldwide for total patents filed all time, with 3,723 patents from 437 inventors. Leading employers of inventors based in Guilford, CT include Hyperfine Research, Butterfly Network, Abbott.

Showing 1–50 of 437 inventors

Rank Inventor Primary Company Patents
1 Gregory L. Charvat Hyperfine Research 108
2 Nevada J. Sanchez Butterfly Network 100
3 Robert A. Levine Abbott 93
#4 Earl M. Zergiebel Covidien Lp 82
#5 Gerard Schmid Quantum-Si Incorporated 80
#6 Gerald Hodgkinson Covidien Lp 78
#7 Christopher Thomas McNulty Hyperfine Research 74
#8 Michael Stephen Poole Hyperfine Research 72
#9 Christopher Penna Covidien Lp 63
#10 John R. Nobile Pitney Bowes 60
#10 James E. Hansen Eaton 60
#12 Joseph A. Abys AT&T 59
#13 Michael Weiner Encodia 56
#14 Laura Sacolick Hyperfine Research 55
#15 Shadi Alex AbuGhazaleh Hubbell Incorporated 54
#15 Brian Rockrohr Covidien Lp 54
#17 Richard Flavell Yale University 51
#18 Brooks Rorke Sunbeam Products 47
#19 Cedric Hugon Hyperfine Research 46
#19 Richard D. Gresham Tyco Healthcare Group Lp 46
#21 Ali Kabiri Quantum-Si Incorporated 45
#22 Kyle Preston Quantum-Si Incorporated 43
#23 John S. Moore Weather Central, Lp 41
#24 Thomas J. Gray Olin 40
#24 Timothy Sargeant Covidien Lp 40
#24 Robert P. Colwell Intel 40
#27 Jan Wasley Neurogen 33
#27 Tian Xu Yale University 33
#29 Adam Charles Talbot Forma Therapeutics 32
#30 Jeffrey G. Weissman Precision Combustion 31
#30 Darin S. Lussier RTX (Raytheon) 31
#30 James G. Moore Amerityre 31
#33 Adam Matthew Gilbert Pfizer 30
#33 John F. Davidson Thermo Fisher 30
#33 Bruce A. Andrien, Jr. Analytica Of Branford 30
#36 Douglas M. Hoon Meltz 29
#37 Andrew J. Phillips C4 Therapeutics 28
#38 Farshid Ghasemi Quantum-Si Incorporated 25
#38 Eric Mull Bristol-Myers Squibb 25
#40 Demetrios Braddock Yale University 24
#40 Harold Mastalerz Bristol-Myers Squibb 24
#42 Rafael O'Halloran Hyperfine Operations 23
#43 Warren Platner Litton Business Systems 22
#44 David J. Verzella RTX (Raytheon) 20
#44 Jonathan A. Ellman University of California 20
#44 Samuel Gerritz Bristol-Myers Squibb 20
#44 Arthur Rosenthal Boston Scientific Scimed 20
#44 Paul Maxted Butterfly Network 20
#44 Jennifer Tran Neurogen 20
#50 Faisal R. Ahmad Quantum-Si Incorporated 19

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