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

Erich Gruber

AMAgru Kunststofftechnik Gesellschaft M.B.H.: 1 patents #1 of 2Top 50%
Marly, CH: #1 of 4 inventorsTop 25%
Overall (2021): #463,123 of 548,734Top 85%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11137095 Method for joining pipe pieces and centering device for the joining process Albert Lueghamer 2021-10-05