Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Leamington, CA ranks #10,940 worldwide for total patents filed all time, with 175 patents from 52 inventors. Leading employers of inventors based in Leamington, CA include Dispensing Dynamics International, Langeman Manufacturing Limited, Global Standard Financial.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 John Friesen Dispensing Dynamics International 18
2 Gary D. Langeman Langeman Manufacturing Limited 16
3 Michael G. Lalonde Global Standard Financial 12
3 Paul Mastronardi Mastronardi Produce 12
#5 Laurence George Herbert Barton The Torrington 10
#6 Jules Cazabon Navistar Canada 8
#7 Lisa Whaley Siemens Vdo Automotive Ag 7
#7 Joseph Z. Sleiman Joe & Samia Management 7
#9 James F. Boak Salford Farm Machinery 5
#9 Peter C. Nielsen Joe & Samia Management 5
#9 Jake Friesen Schukra Geratebau Gmbh 5
#12 Jacob Friesen 4
#13 Philip W. Brown Doben Limited 3
#13 William R. Parr 3
#13 Edgardo A. San Miguel Proprietect 3
#13 John Knelsen 3
#13 Kenneth Kyle Friesen 3
#13 Lee R. Jacobs Delphi Technologies Ip Limited 3
#13 Albert A. Macksoud 3
#13 Jamie Rawlings Autoliv Asp 3
#13 Farhat Hanna Unknown 3
#13 James L. Tulen 3
#23 David Gerard Saris 2
#23 David J. Raheb International Truck Intellectual Property Company 2
#23 Christina RAY 2
#23 Timothy J. Isles 2
#23 Adam Suder 2
#23 Dennis J. Koestler 2
#29 Feipeng Zhao Joe & Samia Management 1
#29 Jacob Klassen 1
#29 David E. Whitesell 1
#29 Ann Arquette 1
#29 Ed Keck Centoco Plastics Limited 1
#29 Roger Charles Crathorne Rover Group Limited 1
#29 Gerard Boutin 1
#29 Jaime J. Rawlings Proprietect 1
#29 Benjamin Koop 1
#29 Robert Colaizzi 1
#29 Johan Redecop 1
#29 Jacob Peters 1
#29 Andrew Wales Cadbury Holdings Limited 1
#29 David Knelsen Dyck 1
#29 Kevin Kantati 1
#29 Sharbel elKantati Rivian Ip Holdings 1
#29 Dave Dyck 1
#29 Henry Fast 1
#29 Joseph Mancebo 1
#29 Eric M. Labbate 1
#29 Panayiotakys Vourakes 1
#29 Paul W. Beaupre 1