Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Laverne R. Durfee Irwin Industrial Tool 4
2 Ben Dunlap Elmer'S Products 2
2 William Scott McDonald Teradyne 2
#4 Paul Hemingfield Irwin Industrial Tool 1
#4 Rick Davis US Air Force 1
#4 Kenneth Okamuro Dana Heavy Vehicle Systems Group 1
#4 Oliver A. Bell, Jr. Colt Industries Operating 1
#4 K. E. Crispin Culbertson 1
#4 Stephen Phillips Varian Medical Systems 1
#4 Michael J. Murphy Advanced Interconnections 1
#4 Sheldon Brent Murdock 1
#4 William Lane Ball Zibra 1

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