WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B64C　AEROPLANES; HELICOPTERS (air-cushion vehicles B60V)

B64C 1/00 Fuselages; Constructional features common to fuselages, wings, stabilising surfaces and the like (aerodynamical features common to fuselages, wings, stabilising surfaces, and the like B64C 23/00; flight-deck installations B64D)

B64C 1/0009 ・{Aerodynamic aspects}

B64C 1/06 ・Frames; Stringers; Longerons; {Fuselage sections}

B64C 1/061 ・・{Frames}

B64C 1/062 ・・・{specially adapted to absorb crash loads}

B64C 1/063 ・・・{Folding or collapsing to reduce overall dimensions, e.g. foldable tail booms (folding or collapsing wings B64C 3/56)}

B64C 1/064 ・・{Stringers; Longerons}

B64C 1/065 ・・{Spars}

B64C 1/066 ・・{Interior liners}

B64C 1/067 ・・・{comprising means for preventing icing or condensation conditions}

B64C 1/068 ・・{Fuselage sections}

B64C 1/069 ・・・{Joining arrangements therefor}

B64C 1/08 ・・Geodetic or other open-frame structures

B64C 1/10 ・・Bulkheads

B64C 1/12 ・・Construction or attachment of skin panels

B64C 1/14 ・Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens {accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers}(fairings movable in conjunction with undercarriage elements B64C 25/16; bomb doors B64D 1/06)

B64C 1/1407 ・・{Doors; surrounding frames}

B64C 1/1415 ・・・{Cargo doors, e.g. incorporating ramps}

B64C 1/1423 ・・・{Passenger doors}

B64C 1/143 ・・・・{of the plug type}

B64C 1/1438 ・・・・{of the sliding type} [N0804

B64C 1/1446 ・・・{Inspection hatches (for engine cowls B64D 29/08)}

B64C 1/1453 ・・・{Drain masts}

B64C 1/1461 ・・・{Structures of doors or surrounding frames}

B64C 1/1469 ・・・{Doors between cockpit and cabin}

B64C 1/1476 ・・{Canopies; Windscreens or similar transparent elements}

B64C 1/1484 ・・・{Windows (B64C 1/1492 takes precedence)}

B64C 1/1492 ・・・{Structure and mounting of the transparent elements in the window or windscreen}

B64C 1/16 ・specially adapted for mounting power plant

B64C 1/18 ・Floors

B64C 1/20 ・・specially adapted for freight

B64C 1/22 ・Other structures integral with fuselages to facilitate loading {e.g. cargo bays, cranes (cargo door type ramps B64C 1/1415)}

B64C 1/24 ・Step mounted on an retractable within fuselages (readily removable B64D 9/00)

B64C 1/26 ・Attaching the wing or tail units or stabilising surfaces

B64C 1/28 ・Parts of fuselage relatively movable to improve pilots view

B64C 1/30 ・Parts of fuselage relatively movable to reduce overall size for storage

B64C 1/32 ・Severable or jettisonable parts of fuselage facilitating emergency escape (ejector seats B64D 25/10)

B64C 1/34 ・comprising inflatable structural components (connection of valves to inflatable elastic bodies B60C 29/00)

B64C 1/36 ・adapted to receive aerials or radomes (aerials or radomes per se H01Q)

B64C 1/38 ・Constructions adapted to reduce effects of aerodynamic or other external heating {(cooling structural parts of aircrafts with air flow B64D 13/006)}

B64C 1/40 ・Sound or heat insulation, {e.g. using insulation blankets (insulating elements for vehicles, in general B60R 13/08)}

B64C 1/403 ・・{Arrangement of fasteners specially adapted therefor, e.g. of clips (in vehicles in general B60R 13/0206)}

B64C 1/406 ・・・{in combination with supports for lines, e.g. for pipes or cables (arrangement of elements of electric or fluid circuits specially adapted for vehicles, in general B60R 16/00; supports for pipes, cables or protective tubing F16L 3/00; installations of electric cables or lines in vehicles H02G 3/00)}

B64C 3/00 Wings (stabilising surfaces B64C 5/00; ornithopter wings B64C 33/02)

B64C 3/10 ・Shape of wings

B64C 3/14 ・・Aerofoil profile

B64C 3/141 ・・・{Circulation Control Airfoils}

B64C 3/16 ・・Frontal aspect

B64C 3/18 ・Spars; Ribs; Stringers (attaching wing unit to fuselage B64C 1/26)

B64C 3/182 ・・{Stringers, longerons}

B64C 3/185 ・・{Spars}

B64C 3/187 ・・{Ribs}

B64C 3/20 ・Integral or sandwich constructions (layered products or sandwich constructions in general B32B)

B64C 3/22 ・Geodetic or other open-frame structures

B64C 3/24 ・Moulded or cast structures

B64C 3/26 ・Construction, shape, or attachment of separate skins, e.g. panels

B64C 3/28 ・Leading or trailing edges attached to primary structures, e.g. forming fixed slots

B64C 3/30 ・comprising inflatable structural components (connection of valves to inflatable elastic bodies B60C 29/00)

B64C 3/32 ・specially adapted for mounting power plant

B64C 3/34 ・Integrally-constructed tanks, e.g. for fuel (other aircraft fuel tanks or fuel systems B64D)

B64C 3/36 ・Structures adapted to reduce effects of aerodynamic or other external heating {(cooling structural parts of aircrafts with air flow B64D 13/006)}

B64C 3/38 ・Adjustment of complete wings or parts thereof

B64C 3/385 ・・{Variable incidence wings}

B64C 3/40 ・・Varying angle of sweep

B64C 3/42 ・・Adjusting about chordwise axes

B64C 3/44 ・・Varying camber

B64C 3/46 ・・・by inflatable elements (connection of valves to inflatable elastic bodies B60C 29/00)

B64C 3/48 ・・・by relatively-movable parts of wing structures

B64C 3/50 ・・・by leading or trailing edge flaps (ailerons B64C 9/00)

B64C 3/52 ・・Warping

B64C 3/54 ・・Varying in area (flaps extendable to increase camber B64C 3/44)

B64C 3/546 ・・・{by foldable elements}

B64C 3/56 ・・Folding or collapsing to reduce overall dimensions of aircraft

B64C 3/58 ・provided with fences or spoilers (adjustable for control purposes B64C 9/00)

B64C 5/00 Stabilising surfaces (attaching stabilising surfaces to fuselage B64C 1/26)

B64C 5/02 ・Tailplanes (fins B64C 5/06)

B64C 5/04 ・Noseplanes

B64C 5/06 ・Fins (specially for wings B64C 5/08)

B64C 5/08 ・mounted on or supported by wings

B64C 5/10 ・adjustable

B64C 5/12 ・・for retraction against or within fuselage or nacelle

B64C 5/14 ・・Varying angle of sweep

B64C 5/16 ・・about spanwise axes

B64C 5/18 ・・in area (attaching stabilising surfaces to fuselage B64C 1/26)

B64C 7/00 Structures or fairings not otherwise provided for

B64C 7/02 ・Nacelles

B64C 9/00 Adjustable control surfaces or members, e.g. rudders (trimming stabilising surfaces B64C 5/10)

B64C 9/02 ・Mounting or supporting thereof

B64C 9/04 ・with compound dependent movements

B64C 9/06 ・with two or more independent movements

B64C 9/08 ・bodily displaceable (varying camber of wings B64C 3/44)

B64C 9/10 ・one surface adjusted by movement of another, e.g. servo tabs (B64C 9/04 takes precedence; adjusting surfaces of different type or function B64C 9/12)

B64C 9/12 ・surfaces of different type or function being simultaneously adjusted

B64C 9/14 ・forming slots (boundary-layer control B64C 21/00)

B64C 9/146 ・・{at an other wing location than the rear or the front (wings provided with fixed fences or spoilers B64C 3/58)}

B64C 9/16 ・・at the rear of the wing

B64C 9/18 ・・・by single flaps

B64C 9/20 ・・・by multiple flaps

B64C 9/22 ・・at the front of the wing

B64C 9/24 ・・・by single flap

B64C 9/26 ・・・by multiple flaps

B64C 9/28 ・・by flaps at both the front and rear of the wing operating in unison

B64C 9/30 ・Balancing hinged surfaces, e.g. dynamically

B64C 9/32 ・Air braking surfaces (braking by parachutes B64D 17/80)

B64C 9/323 ・・{associated with wings}

B64C 9/326 ・・{associated with fuselages}

B64C 9/34 ・collapsing or retracting against or within other surfaces or other members

B64C 9/36 ・・the members being fuselages or nacelles

B64C 9/38 ・Jet flaps

B64C 11/00 Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (rotors specially adapted for rotorcraft B64C 27/32)

B64C 11/001 ・{Shrouded propellers}

B64C 11/002 ・{Braking propellers, e.g. for measuring the power output of an engine}

B64C 11/003 ・{Variable-diameter propellers; Mechanisms therefor}

B64C 11/005 ・{Spiral-shaped propellers}

B64C 11/006 ・{Paddle wheels}

B64C 11/007 ・{Propulsive discs, i.e. discs having the surface specially adapted for propulsion purposes}

B64C 11/008 ・{characterised by vibration absorbing or balancing means (for rotorcraft B64C 27/001)}

B64C 11/02 ・Hub construction

B64C 11/04 ・・Blade mountings

B64C 11/06 ・・・for variable-pitch blades

B64C 11/065 ・・・・{variable only when stationary}

B64C 11/08 ・・・for non-adjustable blades

B64C 11/10 ・・・・rigid

B64C 11/12 ・・・・flexible

B64C 11/14 ・・Spinners

B64C 11/16 ・Blades

B64C 11/18 ・・Aerodynamic features

B64C 11/20 ・・Constructional features

B64C 11/205 ・・・{for protecting blades, e.g. coating}

B64C 11/22 ・・・Solid blades

B64C 11/24 ・・・Hollow blades

B64C 11/26 ・・・Fabricated blades

B64C 11/28 ・・・Collapsible or foldable blades

B64C 11/30 ・Blade pitch-changing mechanisms

B64C 11/301 ・・{characterised by blade position indicating means}

B64C 11/303 ・・{characterised by comprising a governor}

B64C 11/305 ・・{characterised by being influenced by other control systems, e.g. fuel supply}

B64C 11/306 ・・{specially adapted for contrarotating propellers}

B64C 11/308 ・・・{automatic}

B64C 11/32 ・・mechanical

B64C 11/325 ・・・{comprising feathering, braking or stopping systems}

B64C 11/34 ・・・automatic

B64C 11/343 ・・・・{actuated by the centrifugal force or the aerodynamic drag acting on the blades}

B64C 11/346 ・・・・{actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces}

B64C 11/36 ・・・non-automatic

B64C 11/38 ・・fluid, e.g. hydraulic

B64C 11/385 ・・・{comprising feathering, braking or stopping systems}

B64C 11/40 ・・・automatic

B64C 11/42 ・・・non-automatic

B64C 11/44 ・・electric

B64C 11/46 ・Arrangements of or constructional features peculiar to multiple propellers {(B64C 11/306 takes precedence)}

B64C 11/48 ・・Units of two or more coaxial propellers

B64C 11/50 ・・Phase synchronisation between multiple propellers

B64C 13/00 Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers

B64C 13/02 ・Initiating means

B64C 13/04 ・・actuated personally

B64C 13/06 ・・・adjustable to suit individual persons

B64C 13/08 ・・・Trimming zero positions

B64C 13/10 ・・・comprising warning devices

B64C 13/12 ・・・Dual control apparatus

B64C 13/14 ・・・lockable (locking in position to suit individual persons B64C 13/06)

B64C 13/16 ・・actuated automatically, e.g. responsive to gust detectors

B64C 13/18 ・・・using automatic pilot

B64C 13/20 ・・・using radiated signals

B64C 13/22 ・・・readily revertible to personal control

B64C 13/24 ・Transmitting means

B64C 13/26 ・・without power amplification or where power amplification is irrelevant

B64C 13/28 ・・・mechanical

B64C 13/30 ・・・・using cable, chain, or rod mechanisms

B64C 13/32 ・・・・using cam mechanisms

B64C 13/34 ・・・・using toothed gearing

B64C 13/36 ・・・fluid

B64C 13/38 ・・with power amplification

B64C 13/40 ・・・using fluid pressure

B64C 13/42 ・・・・having duplication or stand-by provisions

B64C 13/44 ・・・・overriding of personal controls; with automatic return to inoperative position

B64C 13/46 ・・・・with artificial feel

B64C 13/48 ・・・・characterised by the fluid being gaseous

B64C 13/50 ・・・using electrical energy

B64C 13/503 ・・・・{Fly-by-Wire}

B64C 15/00 Attitude, flight direction, or altitude control by jet reaction

B64C 15/02 ・the jets being propulsion jets

B64C 15/12 ・・the power plant being tiltable

B64C 15/14 ・the jets being other than main propulsion jets (jet flaps B64C 9/38)

B64C 17/00 Aircraft stabilisation not otherwise provided for

B64C 17/02 ・by gravity or inertia-actuated apparatus

B64C 17/04 ・・by pendular bodies

B64C 17/06 ・・by gyroscopic apparatus (automatic pilot control B64C 13/18)

B64C 17/08 ・by ballast supply or discharge (for lighter-than-air aircraft B64B)

B64C 17/10 ・Transferring fuel to adjust trim

B64C 19/00 Aircraft control not otherwise provided for

B64C 19/02 ・Conjoint controls

B64C 21/00 Influencing air-flow over aircraft surfaces by affecting boundary-layer flow (boundary-layer control in general F15D)

B64C 21/02 ・by use of slot, ducts, porous areas, or the like

B64C 21/025 ・・{for simultaneous blowing and sucking}

B64C 21/04 ・・for blowing (B64C 21/08 takes precedence)

B64C 21/06 ・・for sucking (B64C 21/08 takes precedence)

B64C 21/08 ・・adjustable

B64C 21/10 ・using other surface properties, e.g. roughness

B64C 23/00 Influencing air-flow over aircraft surfaces, not otherwise provided for

B64C 23/005 ・{by other means not covered by groups B64C 23/02 to B64C 23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds}

B64C 23/02 ・by means of rotating members of cylindrical or similar form

B64C 23/04 ・by generating shock waves

B64C 23/06 ・by generating vortices

B64C 23/065 ・・{at the wing tip, e.g. winglets, splines}

B64C 23/08 ・using Magnus effect

B64C 25/00 Alighting gear (air-cushion alighting gear B60V 3/08)

B64C 25/001 ・{Devices not provided for in the groups B64C 25/02 to B64C 25/68}

B64C 25/02 ・Undercarriages

B64C 25/04 ・・Arrangement or disposition on aircraft

B64C 25/06 ・・fixed

B64C 25/08 ・・non-fixed, e.g. jettisonable

B64C 25/10 ・・・retractable, foldable, or the like

B64C 25/12 ・・・・sideways

B64C 25/14 ・・・・fore-and-aft

B64C 25/16 ・・・・Fairings movable in conjunction with undercarriage elements

B64C 25/18 ・・・・Operating mechanisms

B64C 25/20 ・・・・・mechanical

B64C 25/22 ・・・・・fluid

B64C 25/24 ・・・・・electric

B64C 25/26 ・・・・・Control or locking systems therefor

B64C 25/28 ・・・・・・with indicating or warning devices

B64C 25/30 ・・・・・・emergency actuated

B64C 25/32 ・characterised by the ground or like engaging elements (arrester hooks B64C 25/68)

B64C 25/34 ・・wheeled type, e.g. multi-wheeled bogies

B64C 25/36 ・・・Arrangements or adaptations of wheels, tyres, or axles in general (construction of wheels or axles B60B; construction of tyres in general B60C)

B64C 25/38 ・・Endless-track type

B64C 25/40 ・・the elements being rotated before touch-down

B64C 25/405 ・・・{Powered wheels, e.g. for taxing}

B64C 25/42 ・・Arrangements or adaptations of brakes (the ground braking force being regulated, at least in part, by a speed condition, e.g. acceleration or deceleration of the ground engaging alighting gear, B60T 8/32)

B64C 25/423 ・・・{Braking devices acting by reaction of gaseous medium (B64C 25/426 takes precedence; using rockets B64D 27/023)}

B64C 25/426 ・・・{Braking devices providing an automatic sequence of braking}

B64C 25/44 ・・・Actuating mechanisms

B64C 25/445 ・・・・{Brake regulators for preventing somersaulting}

B64C 25/46 ・・・・Brake regulators for preventing skidding or aircraft somersaulting {(anti-skidding regulators; electric or electronic controllers therefor B60T 8/1703)}

B64C 25/48 ・・・・differentially operated for steering purposes

B64C 25/50 ・・Steerable undercarriages; Shimmy damping (steering devices applicable to land vehicles B62D)

B64C 25/505 ・・・{Shimmy damping}

B64C 25/52 ・・Skis or runners

B64C 25/54 ・・Floats

B64C 25/56 ・・・inflatable (connection of valves to inflatable elastic bodies B60C 29/00)

B64C 25/58 ・・Arrangements or adaptations of shock-absorbers or springs (shimmy dampers B64C 25/50; vehicle suspension arrangements in general B60G; shock absorber per se F16F)

B64C 25/60 ・・・Oleo legs

B64C 25/62 ・・・Spring shock-absorbers; Springs

B64C 25/64 ・・・・using rubber or like elements

B64C 25/66 ・・Convertible alighting gear; Combinations of different kinds of ground or like engaging elements

B64C 25/68 ・Arrester hooks (arresting gear, e.g. on aircraft carriers B64F)

B64C 27/00 Rotorcraft; Rotors peculiar thereto (alighting gear B64C 25/00)

B64C 27/001 ・{Vibration damping devices}

B64C 27/006 ・{Safety devices}

B64C 27/007 ・・{adapted for detection of blade cracks}

B64C 27/008 ・{Rotors tracking or balancing devices}

B64C 27/02 ・Gyroplanes

B64C 27/021 ・・{Rotor or rotor head construction (for helicopters B64C 27/32)}

B64C 27/022 ・・・{Devices for folding or adjusting the blades}

B64C 27/023 ・・・{Construction of the blades; Coating of the blades}

B64C 27/024 ・・・{Devices for shifting the rotor axis}

B64C 27/025 ・・・{Rotor drives, in particular for taking off; Combination of autorotation rotors and driven rotors}

B64C 27/026 ・・・{Devices for converting a fixed wing into an autorotation rotor and viceversa}

B64C 27/027 ・・{Control devices using other means than the rotor}

B64C 27/028 ・・{Other constructional elements; Rotor balancing}

B64C 27/04 ・Helicopters

B64C 27/06 ・・with single rotor

B64C 27/08 ・・with two or more rotors

B64C 27/10 ・・・arranged coaxially

B64C 27/12 ・・Rotor drives

B64C 27/14 ・・・Direct drive between power plant and rotor hub

B64C 27/16 ・・・Drive of rotors by means, e.g. propellers, mounted on rotor blades

B64C 27/18 ・・・・the means being jet-reaction apparatus

B64C 27/20 ・Rotorcraft characterised by having shrouded rotors, e.g. flying platforms

B64C 27/22 ・Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft

B64C 27/24 ・・with rotor blades fixed in flight to act as lifting surfaces

B64C 27/26 ・・characterised by provision of fixed wings

B64C 27/28 ・・with forward-propulsion propellers pivotable to act as lifting rotors

B64C 27/30 ・・with provision for reducing drag of inoperative rotor

B64C 27/32 ・Rotors (features common to rotors and propellers B64C 11/00)

B64C 27/322 ・・{Blade travel limiting devices, e.g. droop stops}

B64C 27/325 ・・{Circulation-control rotors}

B64C 27/327 ・・{Retention means relieving the stress from the arm, e.g. tie-bars}

B64C 27/33 ・・having flexing arms

B64C 27/35 ・・having elastomeric joints

B64C 27/37 ・・having articulated joints (B64C 27/33, B64C 27/35 take precedence)

B64C 27/39 ・・・with individually articulated blades, i.e. with flapping or drag hinges

B64C 27/41 ・・・with flapping or universal joint, common to the blades

B64C 27/43 ・・・・see-saw type, i.e. two-bladed rotor

B64C 27/45 ・・・with a feathering hinge only

B64C 27/46 ・・Blades

B64C 27/463 ・・・{Blade tips}

B64C 27/467 ・・・Aerodynamic features {(B64C 27/463 takes precedence)}

B64C 27/473 ・・・Constructional features {(B64C 27/463 takes precedence)}

B64C 27/48 ・・・・Root attachment to rotor head

B64C 27/50 ・・・・Blades foldable to facilitate stowage of aircraft

B64C 27/51 ・{Damping of blade movements}

B64C 27/52 ・Tilting of rotor bodily relative to fuselage (of see-saw type construction B64C 27/43)

B64C 27/54 ・Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement

B64C 27/56 ・・Initiating means, e.g. actuated personally

B64C 27/57 ・・・automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust

B64C 27/58 ・・Transmitting means

B64C 27/59 ・・・mechanical

B64C 27/605 ・・・・including swash plate, spider or cam mechanisms

B64C 27/615 ・・・・including flaps mounted on blades

B64C 27/625 ・・・・including rotating masses or servo rotors

B64C 27/635 ・・・・specially for controlling lag-lead movements of blades

B64C 27/64 ・・・・using fluid pressure

B64C 27/68 ・・・・using electrical energy

B64C 27/72 ・・Means acting on blades

B64C 27/78 ・・in association with pitch adjustment of blades of anti-torque rotor

B64C 27/80 ・・for differential adjustment of blade pitch between two or more lifting rotors

B64C 27/82 ・characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft

B64C 29/00 Aircraft capable of landing or taking-off vertically (attitude, flight direction, or altitude control by jet reaction B64C 15/00; rotorcraft B64C 27/00; air-cushion vehicles B60V)

B64C 29/0008 ・{having its flight directional axis horizontal when grounded}

B64C 29/0016 ・・{the lift during taking-off being created by free or ducted propellers or by blowers}

B64C 29/0025 ・・・{the propellers being fixed relative to the fuselage}

B64C 29/0033 ・・・{the propellers being tiltable relative to the fuselage}

B64C 29/0041 ・・{the lift during taking-off being created by jet motors}

B64C 29/005 ・・・{the motors being fixed relative to the fuselage}

B64C 29/0058 ・・・{with vertical jet}

B64C 29/0066 ・・・{with horizontal jet and jet deflector}

B64C 29/0075 ・・・{the motors being tiltable relative to the fuselage}

B64C 29/0083 ・・{the lift during taking-off being created by several motors of different type}

B64C 29/0091 ・{Accessories not provided for elsewhere}

B64C 29/02 ・having its flight directional axis vertical when grounded

B64C 29/04 ・・characterised by jet-reaction propulsion

B64C 30/00 Supersonic-type aircraft

B64C 31/00 Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft

B64C 31/02 ・Gliders, e.g. sailplanes (hang-gliders B64C 31/028)

B64C 31/024 ・・with auxiliary power plant

B64C 31/028 ・Hang-glider-type aircraft; Microlight-type aircraft

B64C 31/0285 ・・{Safety devices}

B64C 31/032 ・・having delta shaped wing

B64C 31/036 ・・having parachute-type wing (parachutes B64D 17/00)

B64C 31/04 ・Man-powered aircraft (ornithopters B64C 33/00)

B64C 31/06 ・Kites (hang-gliders B64C 31/028; toy aspects A63H 27/08; towed targets F41J{for propelling boats B63H 9/0685; for propelling wind driven boards, control means and harnesses therefor B63B 35/7976})

B64C 33/00 Ornithopters

B64C 33/02 ・Wings; Actuating mechanisms therefor

B64C 33/025 ・・{the entire wing moving either up or down}

B64C 35/00 Flying-boats; Seaplanes (alighting gear B64C 25/00)

B64C 35/001 ・{with means for increasing stability on the water}

B64C 35/002 ・・{using adjustable auxiliary floats}

B64C 35/003 ・・{using auxiliary floats at the wing tips}

B64C 35/005 ・{with propellers, rudders or brakes acting in the water}

B64C 35/006 ・{with lift generating devices}

B64C 35/007 ・{Specific control surfaces therefor}

B64C 35/008 ・{Amphibious sea planes}

B64C 37/00 Convertible aircraft (vehicles capable of travelling in or on different media B60F)

B64C 37/02 ・Flying units formed by separate aircraft (towing, air-refuelling, or aircraft-carrying aircraft B64D)

B64C 39/00 Aircraft not otherwise provided for

B64C 39/001 ・{Flying saucers}

B64C 39/003 ・{with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage (rotorcraft B64C 27/00, ornithopters B64C 33/00)}

B64C 39/005 ・・{about a horizontal transversal axis}

B64C 39/006 ・・{about a vertical axis}

B64C 39/008 ・・{about a longitudinal axis}

B64C 39/02 ・characterised by special use

B64C 39/022 ・・{Tethered aircraft}

B64C 39/024 ・・{of the remote controlled vehicle type, i.e. RPV}

B64C 39/026 ・・{for use as personal propulsion unit}

B64C 39/028 ・・{Micro-sized aircraft}

B64C 39/04 ・having multiple fuselages or tail booms

B64C 39/06 ・having disc- or ring-shaped wings {(B64C 39/001 takes precedence)}

B64C 39/062 ・・{having annular wings}

B64C 39/064 ・・・{with radial airflow}

B64C 39/066 ・・{having channel wings}

B64C 39/068 ・・{having multiple wings joined at the tips}

B64C 39/08 ・having multiple wings {(B64C 39/06 takes precedence)}

B64C 39/10 ・All-wing aircraft {(B64C 39/001 takes precedence)}

B64C 39/12 ・Canard-type aircraft

B64C 2001/00 Fuselages; Constructional features common to fuselages, wings, stabilising surfaces and the like (aerodynamical features common to fuselages, wings, stabilising surfaces, and the like B64C 23/00; flight-deck installations B64D)

B64C 2001/0018 ・comprising two decks adapted for carrying passengers only

B64C 2001/0027 ・・arranged one above the other

B64C 2001/0036 ・・arranged side by side at the same level

B64C 2001/0045 ・Fuselages characterised by special shapes

B64C 2001/0054 ・Fuselage structures substantially made from particular materials

B64C 2001/0063 ・・from wood

B64C 2001/0072 ・・from composite materials

B64C 2001/0081 ・・from metallic materials

B64C 2001/009 ・comprising decompression panels or valves for pressure equalisation in fuselages or floors

B64C 2003/00 Wings (stabilising surfaces B64C 5/00; ornithopter wings B64C 33/02)

B64C 2003/10 ・Shape of wings

B64C 2003/14 ・・Aerofoil profile

B64C 2003/142 ・・・with variable camber along the airfoil chord

B64C 2003/143 ・・・comprising interior channels

B64C 2003/144 ・・・including a flat surface on either the extrados or intrados

B64C 2003/145 ・・・comprising 'Gurney' flaps

B64C 2003/146 ・・・comprising leading edges of particular shape

B64C 2003/147 ・・・comprising trailing edges of particular shape

B64C 2003/148 ・・・comprising protuberances, e.g. for modifying boundary layer flow

B64C 2003/149 ・・・for supercritical or transonic flow

B64C 2003/38 ・Adjustment of complete wings or parts thereof

B64C 2003/44 ・・Varying camber

B64C 2003/445 ・・・by changing shape according to the speed, e.g. by morphing

B64C 2003/54 ・・Varying in area (flaps extendable to increase camber B64C 3/44)

B64C 2003/543 ・・・by changing shape according to the speed, e.g. by morphing

B64C 2009/00 Adjustable control surfaces or members, e.g. rudders (trimming stabilising surfaces B64C 5/10)

B64C 2009/005 ・Ailerons

B64C 2009/14 ・forming slots (boundary-layer control B64C 21/00)

B64C 2009/143 ・・comprising independently adjustable elements for closing or opening the slot between the main wing and leading or trailing edge flaps

B64C 2013/00 Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers

B64C 2013/24 ・Transmitting means

B64C 2013/38 ・・with power amplification

B64C 2013/50 ・・・using electrical energy

B64C 2013/503 ・・・・{Fly-by-Wire}

B64C 2013/506 ・・・・・using electro-hydrostatic actuators (EHA's)

B64C 2025/00 Alighting gear (air-cushion alighting gear B60V 3/08)

B64C 2025/001 ・{Devices not provided for in the groups B64C 25/02 to B64C 25/68}

B64C 2025/003 ・・Means for reducing landing gear noise, or turbulent flow around it, e.g. landing gear doors used as deflectors

B64C 2025/005 ・・Tail skids for fuselage tail strike protection on tricycle landing gear aircraft

B64C 2025/006 ・・Landing gear legs comprising torque arms

B64C 2025/008 ・・Comprising means for modifying their length, e.g. for kneeling, for jumping, or for leveling the aircraft

B64C 2025/02 ・Undercarriages

B64C 2025/08 ・・non-fixed, e.g. jettisonable

B64C 2025/10 ・・・retractable, foldable, or the like

B64C 2025/12 ・・・・sideways

B64C 2025/125 ・・・・・into the fuselage, e.g. main landing gear pivotally retracting into or extending out of the fuselage

B64C 2025/32 ・characterised by the ground or like engaging elements (arrester hooks B64C 25/68)

B64C 2025/325 ・・specially adapted for helicopters

B64C 2025/34 ・・wheeled type, e.g. multi-wheeled bogies

B64C 2025/345 ・・・Multi-wheel bogies having one or more steering axes

B64C 2027/00 Rotorcraft; Rotors peculiar thereto (alighting gear B64C 25/00)

B64C 2027/001 ・{Vibration damping devices}

B64C 2027/002 ・・mounted between the rotor drive and the fuselage

B64C 2027/003 ・・mounted on rotor hub, e.g. a rotary force generator

B64C 2027/004 ・・using actuators, e.g. active systems

B64C 2027/005 ・・using suspended masses

B64C 2027/04 ・Helicopters

B64C 2027/12 ・・Rotor drives

B64C 2027/125 ・・・including toroidal transmissions, e.g. of the CVT type

B64C 2027/32 ・Rotors (features common to rotors and propellers B64C 11/00)

B64C 2027/46 ・・Blades

B64C 2027/473 ・・・Constructional features {(B64C 27/463 takes precedence)}

B64C 2027/4733 ・・・・Rotor blades substantially made from particular materials

B64C 2027/4736 ・・・・・from composite materials

B64C 2027/54 ・Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement

B64C 2027/72 ・・Means acting on blades

B64C 2027/7205 ・・・on each blade individually, e.g. individual blade control (IBC)

B64C 2027/7211 ・・・・without flaps

B64C 2027/7216 ・・・・・using one actuator per blade

B64C 2027/7222 ・・・・・using airfoil deformation

B64C 2027/7227 ・・・・・using blowing slots actuated by piezoelectric actuators

B64C 2027/7233 ・・・・・using higher-harmonic control (HHC)

B64C 2027/7238 ・・・・・・by controlling existing swash plate actuators

B64C 2027/7244 ・・・・・・by using dedicated actuators

B64C 2027/725 ・・・・・using jets controlled by piezoelectric actuators

B64C 2027/7255 ・・・・・using one or more swash plates

B64C 2027/7261 ・・・・with flaps

B64C 2027/7266 ・・・・・actuated by actuators

B64C 2027/7272 ・・・・・・of the electro-hydraulic type

B64C 2027/7277 ・・・・・・of the magnetostrictive type

B64C 2027/7283 ・・・・・・of the piezoelectric type

B64C 2027/7288 ・・・・・・of the memory shape type

B64C 2027/7294 ・・・・・actuated mechanically, e.g. by means of linkages

B64C 2027/82 ・characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft

B64C 2027/8209 ・・Electrically driven tail rotors

B64C 2027/8218 ・・wherein the rotor or the jet axis is inclined with respect to the longitudinal horizontal or vertical plane of the helicopter

B64C 2027/8227 ・・comprising more than one rotor

B64C 2027/8236 ・・including pusher propellers

B64C 2027/8245 ・・using air jets

B64C 2027/8254 ・・Shrouded tail rotors, e.g. "Fenestron" fans

B64C 2027/8263 ・・comprising in addition rudders, tails, fins, or the like

B64C 2027/8272 ・・・comprising fins, or movable rudders

B64C 2027/8281 ・・・comprising horizontal tail planes

B64C 2027/829 ・・・comprising a V-tail units

B64C 2031/00 Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft

B64C 2031/06 ・Kites (hang-gliders B64C 31/028; toy aspects A63H 27/08; towed targets F41J{for propelling boats B63H 9/0685; for propelling wind driven boards, control means and harnesses therefor B63B 35/7976})

B64C 2031/065 ・・of inflatable wing type

B64C 2039/00 Aircraft not otherwise provided for

B64C 2039/105 ・of blended wing body type

B64C 2201/00 Unmanned aerial vehicles; Equipment therefor

B64C 2201/02 ・characterized by type of aircraft

B64C 2201/021 ・・Airplanes, i.e. having wings and tail planes

B64C 2201/022 ・・Balloons, blimps or airships

B64C 2201/024 ・・Helicopters, or autogiros

B64C 2201/025 ・・Ornithopters, i.e. generating lift and propulsion by flapping wings or insect like means

B64C 2201/027 ・・Flying platforms

B64C 2201/028 ・・of all-wing types

B64C 2201/04 ・characterised by type of power plant

B64C 2201/042 ・・by electric motors; Electric power sources therefor, e.g. fuel cells, solar panels or batteries

B64C 2201/044 ・・by internal combustion engines, e.g. oscillating piston or rotary piston engines

B64C 2201/046 ・・by rocket engines, ramjets, or pulse-reactors

B64C 2201/048 ・・by jet turbines, or turbofans

B64C 2201/06 ・characterised by in-flight supply of energy

B64C 2201/063 ・・by refueling

B64C 2201/066 ・・by recharging of batteries, e.g. by induction

B64C 2201/08 ・characterised by the launching method

B64C 2201/082 ・・Released from other aircraft

B64C 2201/084 ・・using catapults

B64C 2201/086 ・・by taking-off horizontally by own power, e.g. from a runway

B64C 2201/088 ・・Vertical take-off using special means (for helicopters B64C 2201/024; for balloons B64C 2201/022)

B64C 2201/10 ・characterised by the lift producing means

B64C 2201/101 ・・Lifting aerostatically, e.g. using lighter-than-air gases in chambers

B64C 2201/102 ・・Deployable wings, e.g. foldable or morphing wings

B64C 2201/104 ・・Fixed wings

B64C 2201/105 ・・Inflatable wings

B64C 2201/107 ・・Parachutes; Parasails; Kites; Membranes

B64C 2201/108 ・・using rotors, or propellers

B64C 2201/12 ・adapted for particular use

B64C 2201/121 ・・for dropping bombs; for electronic warfare; Flying bombs

B64C 2201/122 ・・as communication relays, e.g. high altitude platforms

B64C 2201/123 ・・for imaging, or topography

B64C 2201/125 ・・for meteorology

B64C 2201/126 ・・adapted for performing different kinds of missions, e.g. multipurpose use

B64C 2201/127 ・・for photography, or video recording, e.g. by using cameras

B64C 2201/128 ・・for transporting goods other than bombs

B64C 2201/14 ・characterised by flight control

B64C 2201/141 ・・autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems (INS)

B64C 2201/143 ・・・adapted for flying in formations

B64C 2201/145 ・・・using satellite radio beacon positioning systems, e.g. GPS

B64C 2201/146 ・・Remote controls

B64C 2201/148 ・・・using tethers for connecting to ground station

B64C 2201/16 ・characterised by type of propulsion unit

B64C 2201/162 ・・using ducted fans or propellers

B64C 2201/165 ・・using unducted propellers

B64C 2201/167 ・・using rockets, ramjets, pulse jets, plasma, or the like

B64C 2201/18 ・characterised by landing method

B64C 2201/182 ・・by being caught in mid-air, or next to the ground, e.g. using a net

B64C 2201/185 ・・by deploying parachutes, or the like

B64C 2201/187 ・・by landing horizontally, e.g. on a runway

B64C 2201/20 ・Methods for transport, or storage of unmanned aerial vehicles

B64C 2201/201 ・・in containers

B64C 2201/203 ・・in rucksacks, or bags to be carried by persons

B64C 2201/205 ・・by waterborne vehicles, e.g. ships or submarines or by hovercraft

B64C 2201/206 ・・by airborne vehicles, e.g. airplanes or helicopters

B64C 2201/208 ・・by landborne vehicles, e.g. trucks, lorries, tanks or cars

B64C 2201/22 ・having stealth characteristics

B64C 2203/00 Flying model aircraft, flying toy aircraft

B64C 2211/00 Modular constructions of airplanes or helicopters

B64C 2220/00 Active noise reduction systems

B64C 2230/00 Boundary layer controls

B64C 2230/02 ・by using acoustic waves generated by transducers

B64C 2230/04 ・by actively generating fluid flow

B64C 2230/06 ・by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure

B64C 2230/08 ・by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null

B64C 2230/10 ・by influencing fluid flow by heating using other means than combustion

B64C 2230/12 ・by using electromagnetic tiles, fluid ionizers, static charges or plasma

B64C 2230/14 ・achieving noise reductions

B64C 2230/16 ・by blowing other fluids over the surface than air, e.g. He, H, O2 or exhaust gases

B64C 2230/18 ・by using small jets that make the fluid flow oscillate

B64C 2230/20 ・by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct

B64C 2230/22 ・by using a surface having multiple apertures of relatively small openings other than slots

B64C 2230/24 ・by using passive resonance cavities, e.g. without transducers

B64C 2230/26 ・by using rib lets or hydrophobic surfaces

B64C 2230/28 ・at propeller or rotor blades

B64C 2700/00 Codes corresponding to the former IdT classification

B64C 2700/62 ・Codes corresponding to the former IdT classification of class 62

B64C 2700/6201 ・・Airplanes, helicopters, autogyros

B64C 2700/6202 ・・・Characteristics not limited to an aircraft type

B64C 2700/6204 ・・・・Materials

B64C 2700/6205 ・・・・Protection means, e.g. against rust, water, fire

B64C 2700/6207 ・・・・Stabilisation

B64C 2700/6208 ・・・・・Longitudinal and transversal stability

B64C 2700/6209 ・・・・・・automatically controlled

B64C 2700/6211 ・・・・・・・with movable weight not acting as pendulum

B64C 2700/6212 ・・・・・・・with weight acting as pendulum

B64C 2700/6214 ・・・・・・・・with parts of the aircraft acting as pendulum

B64C 2700/6215 ・・・・・・・・with fluid acting as pendulum

B64C 2700/6216 ・・・・・・・by gyroscopical effect (also in combination with pendulum)

B64C 2700/6218 ・・・・・・・by other pulse power source, e.g. aerodynamical effect, propellers

B64C 2700/6219 ・・・・・・・・by auxiliary fixed or movable surfaces or other special devices, or surfaces acting as parachutes

B64C 2700/6221 ・・・・・・manually controlled

B64C 2700/6222 ・・・・・・・with movable weight not acting as pendulum

B64C 2700/6223 ・・・・・・・with weight acting as pendulum

B64C 2700/6225 ・・・・・・・by gyroscopical effet (also in combination with pendulum)

B64C 2700/6226 ・・・・・・・by other pulse power source; e.g. aerodymamical effet, popeller

B64C 2700/6228 ・・・・・・・・by auxiliary planes or parachutes

B64C 2700/6229 ・・・・・・Special devices to stabilise or to compensate a helicoper rotor by other means than counter rotating rotor

B64C 2700/623 ・・・・・・Special devices to stabilise or to compensate a gyroplane pivoting torque

B64C 2700/6232 ・・・Airplanes with fixed or movable wings

B64C 2700/6233 ・・・・Design, structure or mounting of wings

B64C 2700/6235 ・・・・・Guy-wires assemblies; Connections between wings and fuselage

B64C 2700/6236 ・・・・・Honeycomb stiffeners

B64C 2700/6238 ・・・・・Pressure equalising devices between the inside of the wing and the atmosphere

B64C 2700/6239 ・・・・・Ful wing structures

B64C 2700/624 ・・・・・Wings or parts thereof movable during flight

B64C 2700/6242 ・・・・・・adjustable about several axes

B64C 2700/6243 ・・・・Control systems

B64C 2700/6245 ・・・・・by warping of wings tips

B64C 2700/6246 ・・・・・by auxiliary surfaces at the wings tips

B64C 2700/6247 ・・・・・by auxiliary surfaces outside the wings tips

B64C 2700/6249 ・・・・・by propellers

B64C 2700/625 ・・・・・by jet flaps

B64C 2700/6252 ・・・・・Control systems assemblies

B64C 2700/6253 ・・・・・・Feedback compensation devices

B64C 2700/6254 ・・・・・Control systems or transmitting systems for actuating control surfaces

B64C 2700/6256 ・・・・・・Control devices for fins or rudders

B64C 2700/6257 ・・・・・・・by hydraulical, pneumatical or electrical means

B64C 2700/6259 ・・・・・・Control devices for feed-back compensating and guiding surfaces

B64C 2700/626 ・・・・・・・by hydraulical, pneumatical or electrical means

B64C 2700/6261 ・・・・・・Transmission systems

B64C 2700/6263 ・・・・・・・Servo actuators; Auxiliary motors

B64C 2700/6264 ・・・・・・Vibrations suppressing devices

B64C 2700/6266 ・・・・・・Safety devices

B64C 2700/6267 ・・・・・Control devices for a special position of the flying aircraft or a special position of the pilot

B64C 2700/6269 ・・・・・Control from outside the aircraft

B64C 2700/627 ・・・・Influencing airflow over aircraft surfaces

B64C 2700/6271 ・・・・・by fluid flow around the aircraft

B64C 2700/6273 ・・・・・lift being provided by static devices, e.g. balloons

B64C 2700/6274 ・・・・・by other means, e.g. propellers, rotors, air jets

B64C 2700/6276 ・・・Rotorcraft

B64C 2700/6277 ・・・・with driven or windmilling propellers

B64C 2700/6278 ・・・・・Features common for any type of rotorcraft

B64C 2700/628 ・・・・・・Devices for the adjustment of the blades; Folding blades

B64C 2700/6281 ・・・・・Helicopters

B64C 2700/6283 ・・・・・・Rotor construction

B64C 2700/6284 ・・・・・・・Blades control devices

B64C 2700/6285 ・・・・・・・・Drag reducing devices for an inoperative rotor

B64C 2700/6287 ・・・・・・・Rotor drives

B64C 2700/6288 ・・・・・・・・Hydraulic, electric or man powered rotorcrafts

B64C 2700/629 ・・・・・・・Rotors which can be used as propulsion means

B64C 2700/6291 ・・・・・・・Rotors stowable in the wings

B64C 2700/6292 ・・・・・・Control means using other devices than the rotor

B64C 2700/6294 ・・・・・・Construction parts, e.g. frames; Balancing; Flight control; Brakes

B64C 2700/6295 ・・・Aircraft specially adapted for special uses

B64C 2700/6297 ・・・・for military uses

B64C 2700/6298 ・・・Gliders