United States Patent
US Patent 6854686: VTOL aircraft
US 6854686 ยท granted 2005-02-15

| Patent Number | 6854686 |
|---|---|
| Title | VTOL aircraft |
| Filed | 2003-07-25 |
| Granted | 2005-02-15 |
| Inventor(s) | Piero Perlo, Denis Bollea, Stefano Alacqua, Roberto Finizio, Cosimo Carvignese, Elena Balocco |
| Assignee | Centro Ricerche Fiat SCpA |
| CPC Classification | B64C39/00, B64C39/026, B64C39/02 |
| Number of Claims | 1 |
Claims Summary
1. A vertical takeoff and landing aircraft, comprising:
a first ducted rotor and a second ducted rotor mutually aligned and distanced according to a vertical axis and each including a propeller rotatable within a respective annular cowling,