Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Waagner-Biro Aktiengesellschaft › Walter Hell
WH

Walter Hell — 1 Patent

WAWaagner-Biro Aktiengesellschaft: 1 patents #8 of 30Top 30%
Kaltenleutgeben, AT: #1 of 8 inventorsTop 15%
Overall (All Time): #4,006,753 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4629565 Process for the biological treatment of sewage Bruno Hillinger 1986-12-16

Nearby-Ranked Inventors

Constantin Tsintavis1
Albert Fehrer1
Thomas M. Hilderbrand1
Lawrence K. Garritty1
Oskar Pinato1
Martin W. Langhorst1
Paul Chuchana1
Rolf D. Gimbel1
Joel S. Jordon1