Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Francis, CA ranks #33,703 worldwide for total patents filed all time, with 26 patents from 8 inventors. Leading employers of inventors based in Francis, CA include Dupont Canada, Aurora Cannabis Enterprises, Proprietect.

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Richard W. Oughton Dupont Canada 6
1 Istok Gorazd Nahtigal Aurora Cannabis Enterprises 6
3 Allan K. Cathcart Proprietect 5
#4 Gregory Allen 3
#5 Donald R. McGaughey Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources 2
#5 Stephen P. Lapp Utdc 2
#7 Ernst U. Bruns Dupont Canada 1
#7 Douglas R. Buchanan Dupont Canada 1