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

Charles E. Maillefer

MSMaillefer S.A.: 4 patents #1 of 44Top 3%
Buchillon, CH: #3 of 10 inventorsTop 30%
Overall (All Time): #891,542 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5176062 Braiding machine 1993-01-05
4818206 Multi-screw extruder 1989-04-04
4718817 Drum loading and unloading apparatus 1988-01-12
4569595 Screw extruder for plastics 1986-02-11
4543051 Sizing device for extruded plastic tubing 1985-09-24
4491418 Plastics extruder 1985-01-01