Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

South Glastonbury, CT ranks #2,282 worldwide for total patents filed all time, with 1,386 patents from 92 inventors. Leading employers of inventors based in South Glastonbury, CT include Cidra, RTX (Raytheon), Otis Elevator.

Showing 1–50 of 92 inventors

Rank Inventor Primary Company Patents
1 Alan D. Kersey Cidra 182
2 Daniel L. Gysling Cidra 156
3 Zaffir A. Chaudhry RTX (Raytheon) 80
#4 Wesley K. Lord RTX (Raytheon) 78
#5 Arthur Hsu Otis Elevator 60
#6 Chakrapani Subramanyam Pfizer 59
#7 Kevin W. Schlichting RTX (Raytheon) 57
#8 Jason Husband RTX (Raytheon) 56
#9 Christopher D. Hageman Gilmour 48
#10 Annapurna Pendri Enzon 45
#11 Jean Yamanis 42
#12 Gregory E. Reinhardt RTX (Raytheon) 40
#13 Nigel David Sawyers-Abbott RTX (Raytheon) 32
#14 Jeffrey S. Beattie RTX (Raytheon) 26
#15 Weina Li RTX (Raytheon) 24
#16 David Scampoli Koniniklijke Philips N.V. 23
#17 Ross Wilson RTX (Raytheon) 22
#17 Peter Cocks RTX (Raytheon) 22
#19 Wangen Lin RTX (Raytheon) 19
#19 Craig R. Walker Carrier 19
#21 Susan Yan General Motors 18
#21 Xiaomei Fang RTX (Raytheon) 18
#21 Larry Foster RTX (Raytheon) 18
#24 Michael Parkin RTX (Raytheon) 15
#25 Mark Bamberger Stealth Biotherapeutics 11
#25 John McBrien RTX (Raytheon) 11
#27 John Zhiqiang Wang GE 10
#27 Luis Arnedo Carrier 10
#27 Philip E. Zwicke RTX (Raytheon) 10
#27 Tetsuo Kawamura Toyota 10
#31 Cheng Gao RTX (Raytheon) 9
#31 Kevin J. Seifert 9
#33 Kenneth W. Strickland 8
#33 David Kwoka RTX (Raytheon) 8
#35 Scott Magner Rockbestos Surprenant Cable 6
#35 Stephen M. Antonellis RTX (Raytheon) 6
#35 Joseph D. Coughlan, III RTX (Raytheon) 6
#35 Xuetao Li RTX (Raytheon) 6
#39 Martine M. Boutte Beekly 5
#39 Benoit Olsommer Hamilton Sundstrand 5
#39 Marien J. Zanyk 5
#39 Javier Nebero Johnson RTX (Raytheon) 5
#43 Norbert Antony Murray Hootsmans Otis Elevator 4
#43 Samuel S. Descoteaux RTX (Raytheon) 4
#43 Robert Christie 4
#43 Peter Cocks Goodrich 4
#43 Edward A. Rothman RTX (Raytheon) 4
#43 Yuhang Liu Pfizer 4
#49 Jocelyn Maxine Kluger MIT 3
#49 Chi Law RTX (Raytheon) 3

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