Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Lennart Hagelstam 1
1 Kaj Backman Wartsila Diesel International Ltd Oy 1
1 Lauri Kangas Orion-Yhtyma Oy 1
1 Ilkka Jokioinen Valmet Paper Machinery 1