Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ivoryton, CT ranks #16,156 worldwide for total patents filed all time, with 94 patents from 38 inventors. Leading employers of inventors based in Ivoryton, CT include Whelen Engineering Company, RTX (Raytheon), Pfizer.

Showing 1–38 of 38 inventors

Rank Inventor Primary Company Patents
1 David J. Sousa Whelen Engineering Company 15
2 Peter Karkos RTX (Raytheon) 8
3 Susan Sobolov-Jaynes Pfizer 6
#4 Robert J. Kolp The Lee 5
#4 Michael J. Hines Ofs Fitel 5
#6 Art Bauer The Siemon 4
#6 Leo Avondoglio Aercology Incorporated 4
#8 Eric Sterner Tower Laboratories 3
#8 Jeffrey F. Carlson The Travelers Indemnity 3
#8 Janice Ethel Sieser Pfizer 3
#8 Chong H. Park Lg-Nortel Co. 3
#12 Sabena Uddowla USDA 2
#12 Douglas Calegari The Travelers Indemnity 2
#12 Dave Sousa Whelen Engineering Company 2
#12 John Laine 2
#12 Burton H. Jaynes Pfizer 2
#12 James J. Eastland, Jr. 2
#12 George W. Norton 2
#12 Albert W. Nordquist 2
#20 John J. Paholski 1
#20 Raymond Leroy Frosti 1
#20 Robert Hathaway Radio Frequency Systems 1
#20 Rob Hathaway Radio Frequency Systems 1
#20 Robert A. Lloyd, Jr. 1
#20 Shawn Black Merck 1
#20 Josh Elliott 1
#20 James Lorello Unknown 1
#20 Gilbert B. Cutler RTX (Raytheon) 1
#20 Samuel R. Hanford The Lee 1
#20 Kjell T. Tollefsen 1
#20 Ken Cornett Parker-Hannifin 1
#20 Kennet W. Cornett Alstom Technology 1
#20 Norman Needleman 1
#20 William D. Brelig The Lee 1
#20 Ronald P. Vitarelli 1
#20 Vinneth Carvalho 1
#20 Frank P. Simkowski 1
#20 Gary Baier 1

Part of Connecticut