HP

Herbert Perfahl

VK Voith Hydro Holding Gmbh & Co. Kg: 2 patents #1 of 5Top 20%
📍 Steinheim, DE: #96 of 207 inventorsTop 50%
Overall (All Time): #2,238,290 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6065935 Cycloidal propeller having blades which may be set into a sailing position — 2000-05-23
5993157 Cycloidal propeller having wings operated by hydraulic clutches — 1999-11-30