Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Prospect, CT ranks #4,100 worldwide for total patents filed all time, with 692 patents from 105 inventors. Leading employers of inventors based in Prospect, CT include Covidien Lp, Conmed, Insinkerator.

Showing 1–50 of 105 inventors

Rank Inventor Primary Company Patents
1 Michael Zemlok Covidien Lp 151
2 Adam J. Ross Covidien Lp 49
3 Kevin Desjardin Covidien Lp 40
#4 Michael J. Augelli Conmed 38
#5 Craig Bures Insinkerator 27
#6 Mark Caterino Assa Abloy Ab 20
#7 Joseph F. Stieber Uniroyal Chemical Company 18
#8 Allen A. Crowe Ascom Hasler Mailing Systems 14
#8 Michael S. Bowsher Bristol-Myers Squibb 14
#8 Lee L. Nemeth 14
#11 Ronald M. Plante Fiber Mountain 12
#11 Christopher P. Grudzien, Jr. Dynisco 12
#13 Pietro Piazza Coleco Industries 11
#13 Ronald Redline Macdermid, Incorporated 11
#15 George H. Nybakken Uniroyal Chemical Company 10
#15 Kevin Golebieski Covidien Lp 10
#17 Michael A. Zemlock Black & Decker 9
#18 Steven Robert Hayse Gkn Aerospace Services Structures 8
#18 Joseph T. Driscoll Sikorsky Aircraft 8
#20 Philip Nicholas Gorman BOE 7
#20 Tiffany Mayo Assa Abloy Residential Group 7
#20 Thomas F. Marino 7
#20 Robert E. Peck Chandler Evans 7
#20 H. William Rinckel IBM 7
#20 Joseph W. Guiles Pitney Bowes 7
#26 Walter E. Allen Transamerica Delaval 6
#27 Michael P. Ciriello Emhart Glass Machinery Investments 5
#27 Earl Reilly Illinois Tool Works 5
#27 Joe Vincens Executone Information Systems 5
#27 Richard Droller Coleco Industries 5
#27 John P. Casey Usm Holding Ag 5
#27 Mike Zemlok Covidien Lp 5
#33 Leslie Lamontagne Otis Elevator 4
#33 Michael Paul Baran Sikorsky Aircraft 4
#33 Barkley Scott Harris Hartford Fire Insurance 4
#33 Joseph P. Tokarski Pitney Bowes 4
#33 Dallas Conway American Seal And Engineering Company 4
#33 David H. Goodwin Litton Industrial Products 4
#33 Clint F. Brandien Pitney Bowes 4
#33 Patricia A. Cacciatore Enthone-Omi 4
#33 Bruce E. McCoy Dataproducts New England 4
#33 Mark Broschart Eastman Kodak 4
#43 David T. Penniman 3
#43 Gary M. Trocola Waterbury Companies 3
#43 Jacquelynn K M Garofano Goodrich 3
#43 Walter Anthony Biercevicz Unilever Home & Personal Care Usa, Division Of Conopco 3
#43 Kenneth F. Ryder Rexam Cosmetic Packaging 3
#43 Gerald J. Miller North American Philips 3
#43 Eugene R. Lewis 3
#43 Kenneth E. Frink Mott Metallurgical 3

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