Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Columbia, CT ranks #11,180 worldwide for total patents filed all time, with 169 patents from 36 inventors. Leading employers of inventors based in Columbia, CT include RTX (Raytheon), American Prosthetic Components, AT&T.

Showing 1–36 of 36 inventors

Rank Inventor Primary Company Patents
1 Paul F. Croteau RTX (Raytheon) 29
2 Michael J. Curtis American Prosthetic Components 25
3 Luis Ramos AT&T 15
#4 Steven Butler Digital Equipment 14
#5 Joseph E. Cosgrove Image Insight 9
#6 Dwayne E. Messerschmidt RTX (Raytheon) 8
#6 Harold T. Couch RTX (Raytheon) 8
#8 Stephen P. Muron RTX (Raytheon) 7
#9 William E. Rosenkrans RTX (Raytheon) 5
#10 David J. Eigner RTX (Raytheon) 3
#10 Robert D. Vanasse US Air Force 3
#10 Daniel B. Bouley Science Engineering Associates 3
#10 Josh Dorsey Colt Defense 3
#10 William Blankson Southern California Edison 3
#15 Mark T. Faupel 2
#15 Fred A. Otter Northrop Grumman 2
#15 Kenneth T. Raczewski RTX (Raytheon) 2
#15 Dan Wertz Governors America 2
#15 Frances Warfield Teleflex Medical Incorporated 2
#15 Steven E. Eichner RTX (Raytheon) 2
#15 Michael Paul Houle 2
#15 Donald Schofield RTX (Raytheon) 2
#15 Russell Olson Samsung 2
#15 Robert M. Siragusa Hartford Fire Insurance 2
#15 Sheila Kaufman Crocs 2
#15 Chester Drew 2
#27 John P. Zavodjancik RTX (Raytheon) 1
#27 Michael Gnazzo 1
#27 Christopher E. Lamourine The Eastern 1
#27 Delbert Laughery RTX (Raytheon) 1
#27 William F. Bender RTX (Raytheon) 1
#27 Vernon Beausoleil Gerber Garment Technology 1
#27 Dennis C. Shooter RTX (Raytheon) 1
#27 Anthony Capizzi, Jr. RTX (Raytheon) 1
#27 Robert Rohan Cuno Incorporated 1
#27 Harry R. Paquin, III RTX (Raytheon) 1

Part of Connecticut