Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bloomfield, CT ranks #3,834 worldwide for total patents filed all time, with 757 patents from 164 inventors. Leading employers of inventors based in Bloomfield, CT include Sirrus, RTX (Raytheon), Abb Schweiz Ag.

Showing 1–50 of 164 inventors

Rank Inventor Primary Company Patents
1 Bernard M. Malofsky Sirrus 53
2 Michael D. Greenberg RTX (Raytheon) 42
3 William J. Eakins Abb Schweiz Ag 41
#4 James Tilsley Auxier RTX (Raytheon) 39
#5 Zdenek S. Meistrick Jacobs Vehicle Systems 29
#6 Robert A. Love Premier Manufacturing Group 20
#7 Malcolm P. MacDonald Hamilton Sundstrand 18
#8 Michael S. McCartney Combustion Engineering 16
#8 Jay W. Kokas Hamilton Sundstrand 16
#10 Keven G. Van Duyn RTX (Raytheon) 15
#11 Salwa A. Elgebaly Nour Heart 12
#11 Leonard Paul Chrysler Group 12
#13 Jeffrey R. Lavin RTX (Raytheon) 11
#13 Won-Wook Kim RTX (Raytheon) 11
#15 Herbert L. Walker RTX (Raytheon) 10
#15 Peter G. Engeldrum Lightsurf Technologies 10
#15 Robert B. Bossler, Jr. Lucas Western 10
#15 Michael B. Johnson Guardian Industries 10
#15 Van Dang GE 10
#15 Sylvester W. Bies 10
#15 Bradley D. Molinsky Hartford Fire Insurance 10
#22 Mark E. Simcik Ascom Hasler Mailing Systems 9
#22 Catherine H. Wu University Of Connecticut 9
#22 Rahul J. Terdalkar Alstom Technology 9
#25 Stephen P. Schaffer The J. M. Ney 8
#26 Robert J. Donoghue 7
#26 David J. Buzzeo Stanley Fastening Systems 7
#26 Alexander H. Levy International Fuel Cells 7
#26 Lucas Dvorozniak RTX (Raytheon) 7
#26 Jundong Zhang Ipsen Pharma S.A.S. 7
#26 David F. Dickie Hamilton Sundstrand 7
#26 Robert A. Wheeler Otis Elevator 7
#26 Joseph W. Quinn Abb Automation Gmbh 7
#34 Edward B. Gardner 6
#34 Kevin B. Sheehan Omnissa 6
#34 Peter M. Hill Hartford Fire Insurance 6
#34 Charles F. Ridolfo Westinghouse Electric 6
#34 Norbert W. Overfield Stanadyne 6
#34 James P. Horne Milwaukee Electric Tool 6
#40 Paul Buettiker Combustion Engineering 5
#40 George F. Shulof, Jr. Fuel Tech 5
#40 Matthew J. Patterson Weatherford/Lamb 5
#40 James F. Durant Alstom (Switzerland) 5
#40 Joseph R. Comparato Combustion Engineering 5
#40 Xavier Ollat Alstom (Switzerland) 5
#46 Roland R. Barnes RTX (Raytheon) 4
#46 Joseph Grillo RTX (Raytheon) 4
#46 Anders C. Olson GE 4
#46 Aaron Kellner Sikorsky Aircraft 4
#50 Ernest L. Hartman Combustion Engineering 3

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