JH

Johann Werner Hettenkofer

KA Kopter Group Ag: 2 patents #8 of 12Top 70%
📍 Ottobrunn, DE: #140 of 341 inventorsTop 45%
Overall (All Time): #1,729,140 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12377971 Drive unit with gear mechanism and electric drive for a main rotor of a rotary wing craft Detlev Matthias Even, Andreas Dummel, Andreas Löwenstein 2025-08-05
12043374 Hybrid propulsion system of a helicopter Detlev Matthias Even, Andreas Dummel 2024-07-23