Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oak Bluff, CA ranks #31,779 worldwide for total patents filed all time, with 29 patents from 5 inventors. Leading employers of inventors based in Oak Bluff, CA include Rhone-Poulenc Agriculture, Macdon Industries.

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Richard H. Hewett Rhone-Poulenc Agriculture 15
2 Daniel Cormier Macdon Industries 11
3 Normal L. Loewen 1
3 Edward Chivers 1
3 Tom Hopper 1