Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Caledonia, CA ranks #24,998 worldwide for total patents filed all time, with 45 patents from 27 inventors. Leading employers of inventors based in Caledonia, CA include Stelco, 1929803 Ontario, Invisage Technologies.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Leonard E. Guest Stelco 5
2 Chelsea Munding 1929803 Ontario 4
3 Michael Bettiol 3
3 Stanley Reitsma 3
#5 Fraser Evans 2
#5 Jim Skerlan 2
#5 Glynn Burke 2
#5 Steven Ashworth McDonald Invisage Technologies 2
#5 Ranjit Chandra 2
#5 Arslan Akhmetov ExxonMobil 2
#5 Sunil V. Pansare 2
#12 David Isaac Morgan 1
#12 Michael Paul Spearns 1
#12 Kevin Hannigan 1
#12 Randale C. Murdock 1
#12 Michael Rondell 1
#12 Joanne Dube 1
#12 Chengliang Wu Mcmaster University 1
#12 Wallace Jackson 1
#12 Glenn Robert Sargent 1
#12 Sarkis Abrahamian Evertz Microsystems 1
#12 James S. Medves Erco Industries Limited 1
#12 Thakor R. Patel Canadian Patents And Development Limited 1
#12 Jan Furst Nordco 1
#12 Roman Bialach 1
#12 Amanda Clifford Mcmaster University 1
#12 Caleb Gordon Smid 1