Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Guelph, CA ranks #1,264 worldwide for total patents filed in 2018, with 105 patents from 50 inventors. Leading employers of inventors based in Guelph, CA include Monsanto Technology, Mapsted, RTX (Raytheon).

Showing 1–50 of 50 inventors

Rank Inventor Primary Company Patents
1 Heinrich S. Wohleser Monsanto Technology 29
2 Sean Huberman Mapsted 10
3 Paul Stone RTX (Raytheon) 5
#4 Heinz W. Pauls University Health Network 4
#5 Xiaoming Nan Alcohol Countermeasure Systems (International) 3
#5 Mario Artur Monteiro US Air Force 3
#7 Colin Campbell Stmicroelectronics (Research & Development) Limited 2
#7 John R. Barta University Of Arkansas 2
#7 William Ben Miners Intel 2
#7 Bill Witherspoon Emseal Joint Systems 2
#7 Michael Sarchese Trojan Technologies 2
#7 Peter Anthony Van Eerd Blackberry Limited 2
#7 Igor Falak Pioneer (Corteva) 2
#14 Jamie Whitehouse Sonatype 1
#14 Antonio Facciuolo University Of Guelph 1
#14 David Brandow Sap Se 1
#14 Mukund Shukla University Of Guelph 1
#14 Mary Ann Cinanni 1
#14 Yury Yuryev Samsung 1
#14 James Clifford Rose Merck 1
#14 Donald Glenn Thompson U.S. Philips 1
#14 Branislav Sikljovan 1
#14 Manjusri Misra Michigan State University 1
#14 Jason Cadera Zenon Environmental 1
#14 Craig A. Dunk Research In Motion Limited 1
#14 James MCCRAE The Toronto-Dominion Bank 1
#14 Eng-Hong Lee Ceva Animal Health 1
#14 Christopher Peters Magna International 1
#14 Balwantrai Mistry Nortel Networks Limited 1
#14 Ehsan Roshani Bentley Systems, Incorporated 1
#14 Wael Hasan Ahmed KFUPM 1
#14 Farooq Ahmed Csl Silicones 1
#14 Lucy M. Mutharia University Of Guelph 1
#14 Reda Fayek Becton, Dickinson And 1
#14 David Ryan Groen 1
#14 John D. Cossar Croda International Plc 1
#14 Amar K. Mohanty Michigan State University 1
#14 Mikhail Alexand Zakharov Cognitive Systems 1
#14 Mesbah Abdulrahem 1
#14 John Clifford Sutton Bee Vectoring Technology 1
#14 Tengli Luo Polycorp 1
#14 Kevin Frank Piunno University Of Guelph 1
#14 Angelo Bartolomucci 1
#14 John Brennan Uop 1
#14 Timothy St. Germain 1
#14 Pha Ho 1
#14 Alexander David Black Primal Fusion 1
#14 Alejandro Marangoni Solazyme 1
#14 Kristopher Desrochers Intel 1
#14 Ronald Dutton RTX (Raytheon) 1