VR

Vincent J. L. Routhieau

EF Eurocopter France: 3 patents #4 of 77Top 6%
Overall (All Time): #1,643,730 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5634611 Counter-torque device with rotor and flow straightening stator, both of which are ducted, and inclined flow-straightening vanes Henri-James Marze, Gilles Arnaud, Remy-Elian Arnaud 1997-06-03
5588618 Counter-torque device with rotor and flow-straightening stator, both of which are ducted, and phase modulation of the blades of the rotor, for helicopter Henri-James Marze, Gilles Arnaud, Remy-Elian Arnaud 1996-12-31
5566907 Counter-torque device with ducted rotor and phase modulation of the blades, for helicopter Henri-James Marze, Gilles Arnaud, Remy-Elian Arnaud 1996-10-22