Sikorsky aircraft patents

[hesham]

Hi,

Sikorsky designed an unknown tilt-propeller aircraft
in 1996;
http://www.google.com/patents?id=n7cZAAAAEBAJ&printsec=abstract&zoom=4&dq=Dornier+design+of+airplane&num=100#PPP1,M1

 

[JAZZ]

Variable diameter tilt-rotor artists impression

 

[hesham]

Hi,


here is a patent for Igor Sikorsky of 1931,which was granted in 1935.


http://www.sikorskyarchives.com/S-46%20_VS-300_%20VS-300A.php

 

[hesham]

Hi,

here is a patent for M.E. Gluhareff when he worked for Sikorsky;

USD155004S - Gluhareff helicopter - Google Patents

 

[hesham]

Also a tailless patent airplane,designed by M. E. Gluharref.

http://archive.aviationweek.com/image/spread/19451101/103/2