Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Westfield, MA ranks #3,528 worldwide for total patents filed all time, with 838 patents from 180 inventors. Leading employers of inventors based in Westfield, MA include Spalding Sports Worldwide, Mitel Networks, Smith & Wesson. That works out to 20.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 180 inventors

Rank Inventor Primary Company Patents
1 R. Dennis Nesbitt Spalding Sports Worldwide 130
2 Thomas A. Gray Mitel Networks 58
3 Robert L. Constant Smith & Wesson 21
#4 Kathleen Tremblay Covidien Lp 19
#5 Salvatore C. Scuderi Scuderi Group 18
#6 Richard L. Belinda Handy & Harman 17
#7 David P. Nagle RTX (Raytheon) 16
#7 David M. Kroll Good Ideas 16
#9 John D. Plumadore Photon Chroma 15
#9 Paul E. Dunn IBM 15
#9 David J. Horan AbbVie 15
#12 Aaron K. Alexander Savage Arms 14
#12 Jason Barnes Flodesign Sonics 14
#14 Stephen P. Scuderi Scuderi Group 12
#14 Frederick A. Enko Omg 12
#14 Peter Howe Biotechnology Australia Pty. 12
#17 Shawn P. Kelly Honda Motor Co. 11
#17 Robert P. Wichowski Hamilton Sundstrand Space Systems 11
#19 Paul A. Adamski RTX (Raytheon) 10
#20 Mark Lawrence Stanford University 9
#20 Erick Garstka Covidien Lp 9
#20 Joseph J. Houle Irwin Industrial Tool 9
#20 R. Timothy Irwin Omg 9
#24 Chuck Heidenreich Spalding Sports Worldwide 8
#24 Martin G. Riccitelli The Torrington 8
#26 Kenneth Hamilton Molecular Biosystems 7
#26 David Novotney Ensign-Bickford Aerospace & Defense 7
#26 Dennis Nesbitt Lisco 7
#26 Hubert T. McGovern Olympic Manufacturing Group 7
#26 Richard M. Auclair Bayer Healthcare 7
#31 Gerald Gadbois Hollingsworth & Vose 6
#31 Gary R. Bowers 6
#31 Leslie C. Blahut Drake Holdings 6
#31 Richard A. Prince 3M 6
#31 Scott J. Beloncik Hamilton Sundstrand 6
#31 James M. Witsch Hollingsworth & Vose 6
#31 Donald F. Peters American Stabilis 6
#31 David Knapp 6
#31 Richard A. Kominsky Itt Manufacturing Enterprises 6
#31 Conrad Anthony D'Elia Ozite 6
#31 Alvin B. See Thomcast Communications 6
#42 John R. Reuss Gretag Imaging Ag 5
#42 Ronald Musiak Flodesign Sonics 5
#42 Stephen Canary The Mead 5
#42 James Gosselin Unknown 5
#42 Jason Labrie Hamilton Sundstrand 5
#47 Merritt B. Andrews RTX (Raytheon) 4
#47 Thaddeus J. Strzempko 4
#47 Paul Anthony Viveiros 4
#47 Kevin R. Bordage Hamilton Sundstrand 4

Part of Massachusetts