Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Fonthill, CA ranks #13,187 worldwide for total patents filed all time, with 130 patents from 32 inventors. Leading employers of inventors based in Fonthill, CA include Shopify, Accipiter Radar Technologies, Inco Limited.

Showing 1–32 of 32 inventors

Rank Inventor Primary Company Patents
1 Michael Joseph DeFazio Shopify 46
2 Timothy J. Nohara Accipiter Radar Technologies 22
3 Anthony Edward Moline Warner Inco Limited 11
#4 Robert Snell Wahl Clipper 6
#5 Anthony Ruhe Foster Wheeler 5
#6 John Rosbak John Deere 4
#6 Dennis Eric Schoenmaker John Deere 4
#8 Fredrick M. Pettit Gsw 3
#9 Ronald P. Joll 2
#9 Jayson Zwierschke 2
#9 Carmelo Sferrazza Asi Group 2
#9 Robert Sowka 2
#9 Suzanne M. Rose 2
#14 James Wikston Hatch 1
#14 Alfredo Villazor Inco Limited 1
#14 Ahmad Saud Manzar Mapsted 1
#14 William M. Gibbon Augusta Developments 1
#14 H.-Rudi Kroeker 1
#14 Tim J. Nohara 1
#14 Donald Kobryn 1
#14 Gerald D. Cameron John Deere 1
#14 Frederick M. Petitt Gsw 1
#14 Joseph S. Bonfoco John Deere 1
#14 William John Heska John Deere 1
#14 Fredrick M. Petitt Gsw 1
#14 Dingxi Yao John Deere 1
#14 Anne Yagi 1
#14 Jordan Thomas Froese 1
#14 Travis Wilfred Banks Vineland Research And Innovation Centre 1
#14 Graeme Potts 1
#14 Joseph Keca University Health Network 1
#14 Jody A. Oickle John Deere 1