Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
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27/00
Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
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B64D2027/005
Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
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