Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chester, CT ranks #9,567 worldwide for total patents filed all time, with 213 patents from 42 inventors. Leading employers of inventors based in Chester, CT include Arvinas Operations, Perkinelmer Health Sciences, Velobind.

Showing 1–42 of 42 inventors

Rank Inventor Primary Company Patents
1 Andrew P. Crew Arvinas Operations 54
2 David M. Aikens Perkinelmer Health Sciences 20
3 Peter Hotkowski Velobind 15
#4 Peter Harding Quantum Servo Pumping Technologies Pty 11
#5 Robert Stoner Zygo 9
#5 Michael Kuehn Advanced Drainage Systems 9
#7 Feng Yao Chen Roto-Frank Of America 8
#7 Robert Luther Hach 8
#9 Michael Luther Mx3 Diagnostics 7
#10 Kevin P. Orazietti Arris Enterprises 5
#11 Theodore J. Tine, Jr. 4
#11 Christian J. Mularski Pfizer 4
#11 Charles Van Over 4
#11 Robert Furguile Roto-Frank Of America 4
#11 Chad Hackman Roto-Frank Of America 4
#16 Dudley V. Bickford 3
#16 Peter J. Tiezzi Whelen Engineering Company 3
#16 Vincent Nevins RTX (Raytheon) 3
#16 James R. Kennish Gbr Systems 3
#16 David Thayer Gbr Systems 3
#16 Robert A. Putnam Siemens Energy 3
#16 Ethan Lawrence Fisher Pfizer 3
#23 Valerie R. Guglielmo 2
#23 Barclay Bingham Young, Jr. RTX (Raytheon) 2
#23 Roland Rylander 2
#23 Lida Kimmel Celldex Therapeutics 2
#23 Andrew Bakodledis Gbr Systems 2
#23 James Kniss Gbr Systems 2
#29 Frederick B. Barclay, Jr. Aetna 1
#29 Charles G. Nessler RTX (Raytheon) 1
#29 Scott D. Swartzell 1
#29 Richard H. Morrow Whelen Engineering Company 1
#29 William Zeigler Trs Holdings 1
#29 Amanda E Ziegler 1
#29 David E. Bitter RTX (Raytheon) 1
#29 Marty L. ERNSTOFF 1
#29 Mark C. Borton 1
#29 Bruce Maguire Pfizer 1
#29 Sean JUDGE Aps Technology 1
#29 Edward J. Grybowski RTX (Raytheon) 1
#29 Jack E. Gretta Whelen Engineering Company 1
#29 Robert E. Murac, Jr. RTX (Raytheon) 1

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