Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LB

Louis C. Barbieri

Seattle, WA: #8,251 of 21,776 inventorsTop 40%
Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,675,192 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4650011 Method and apparatus for drilling a hole in an ice formations and pumping water out from such hole 1987-03-17
4448273 Endless track attachment for a vehicle 1984-05-15
4400968 Apparatus for reforming deformed container structures and the like 1983-08-30