CPC Definition - Subclass B64D
This place covers:
- Dropping, ejecting, releasing or receiving articles in flight;
- Arrangements of military equipment;
- Equipment for handling freight;
- Flight suits;
- Passenger or crew accommodation; arrangements of seats:
- Air-treatment:
- De-icing;
- Parachutes;
- Emergency apparatus;
- Mounting power plant in aircraft, nacelles fairings, arrangement of power plants;
- Power plant control
- Transmitting power from power plants to propellers or rotors;
- Fuel supply;
- Fuel tanks;
- Refuelling during flight;
- Arrangements of instruments;
- Indicators.
Attention is drawn to the following places, which may be of interest for search:
Equipment for UAVs |
This place covers:
Ejector systems for missiles
Devices for separating bombs from fuselage.
Attention is drawn to the following places, which may be of interest for search:
This place covers:
Arrangements for holding the load in the aircraft fuselage or means adapted to release the load.
Attention is drawn to the following places, which may be of interest for search:
Retaining devices for pallets or freight containers |
This place covers:
Rockets used as braking devices.
Cushioning devices; shock absorbers, springs, etc. for absorbing landing chocks on load-carrying articles dropped/ejected/released from an aircraft.
Illustrative example of subject matter classified in this group:
One or more rocket could be positioned on the load and ignited just prior to touch-down, such that the rocket thrust brakes/cushions the arrival on the ground, as shown in this example (ignited rockets (22) circled in red):
This place covers:
Fire fighting aircraft
Water baskets hanging below helicopters.
This place does not cover:
Jettisoning fuel |
Attention is drawn to the following places, which may be of interest for search:
Fire fighting or fire prevention |
This place covers:
Devices adapted on aircraft for hanging loads
Helicopter devices for transporting hanging loads
Attention is drawn to the following places, which may be of interest for search:
Repair of electric lines |
This place does not cover:
Refuelling during flight |
Attention is drawn to the following places, which may be of interest for search:
Flying units formed by separate aircraft | |
Space shuttles |
This place covers:
Stealth structures
Armoured structures.
This place does not cover:
Dropping bombs or the like |
This place covers:
Rail systems for rockets.
This place covers:
Loading systems and methods
Cargo handling.
This place does not cover:
Emergency equipment | |
Structures integral with fuselage to facilitate loading, fuselage floors specially adapted for freight, steps mounted on and retractable within aircraft | |
Ground installations |
Attention is drawn to the following places, which may be of interest for search:
Securing or forwarding containers in vehicles | |
Aircraft floors adapted for freight | |
Aircraft ramps for loading | |
Containers | |
Roller ways | |
Weighing aircraft | |
Determining centre of gravity in aircraft |
In this place, the following terms or expressions are used with the meaning indicated:
Power Drive Unit (PDU) | Powered rollers and drives to move containers and pallets within aircraft fuselages or cargo bays |
This place covers:
Garments for pilots, e.g. g-suits, trousers or bladders.
Helmets.
Oxygen supply, e.g. valves, pilots' masks or controllers.
This place does not cover:
Helmets in general | |
Breathing helmets |
Attention is drawn to the following places, which may be of interest for search:
Respiratory or breathing apparatus | |
High-altitude pressure suits |
References A42B 3/00 and A62B 18/00 are non-limiting in the main group B64D 10/00. CPC will be updated/corrected once this inconsistency is resolved in IPC.
This place covers:
Cabin layouts
Passengers' oxygen masks.
This place covers:
Food and beverage distribution systems
Interaction between trolley and cabin.
Attention is drawn to the following places, which may be of interest for search:
Trolleys adapted to be used in vehicles |
This place covers:
Aircraft cabin layouts characterised by arrangements of components for amusement or media, e.g. arrangements of monitors, speakers or control means therefor
Arrangements of communication means for cabin crew or passenger use
Display of navigation data on monitors for passenger information
Attention is drawn to the following places, which may be of interest for search:
Accessories for chairs, adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like | |
Arrangements or adaptations of other passenger fittings (of radio sets, television sets, telephones, stowing or holding appliances) in land-type vehicles | |
Furniture for vessels | |
Combined measuring instruments indicating more than one navigational value, e.g. for aircraft |
Documents concerning only the data transfer between components of an aircraft cabin entertainment/communication system are attributed the symbol B64D 11/0015 as additional information only.
This place covers:
Arrangements, configurations or modifications of seats or chairs, or particular seat or chair structures for aeronautic passengers. For passengers only, unless otherwise stated (Seats specially adapted for pilots B64D 11/0689 and Seats specially adapted for cabin crew B64D 11/0691).
This place does not cover:
Crew seat constructions for emergency purposes |
Attention is drawn to the following places, which may be of interest for search:
Chairs adapted for special (ground) purposes | |
Theatre, auditorium, or similar chairs | |
Vehicle seats | |
Arrangement or mounting of seats in vehicles | |
Vehicle seat accessories | |
Railway seats | |
Marine vessel seats |
A document will be considered as disclosing an aircraft seat if:
- this use is explicitly mentioned,
- it is evident from the drawings that it is such a seat, or
- if the document originates from the aircraft industry or an airline.
This place covers:
- Seat or chair units combined with a generally horizontal surface for a reclining person and can include a canopy-type structure substantially enclosing the occupant(s)
- Additional and separate surfaces or parts to form a bed
Attention is drawn to the following places, which may be of interest for search:
Crew member rest berths | |
Passenger bed units attached to the fuselage ceiling | |
Arrangements of stretchers in aircraft cabins | |
Aircraft passenger seats convertible to a bed |
This place covers:
Seat or chair units combined with a generally horizontal surface above a floor and can include storage space
Attention is drawn to the following places, which may be of interest for search:
Arrangements or adaptations of other passenger fittings, of table or tray |
This place covers:
Seat or chair units combined with visual obstructions to other passengers
This place does not cover:
Class dividers |
This place covers:
Seats or chairs combined with appliances for a person's conditioning, muscle development, or anticlotting
Attention is drawn to the following places, which may be of interest for search:
Stools or chairs having exercising means or having special therapeutic or ergonomic effects | |
Pneumatic or hydraulic massage | |
Pneumatic massage with intermittent or alternately inflated bladders or cuffs | |
Physical therapy devices for anti-thrombosis or anti-clotting | |
Vehicle seats with massaging systems |
This place covers:
Seats or chairs combined with a structure to steady an upright person
Attention is drawn to the following places, which may be of interest for search:
Safety belts or body harnesses in vehicles |
This place covers:
Seat or chair modifications or accessories for accommodating a pre-adult aircraft passenger
Attention is drawn to the following places, which may be of interest for search:
Vehicle passenger seats for children |
This place covers:
Seats combined with a device to propel a passenger away from the seat
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Pilot type ejection seats |
Attention is drawn to the following places, which may be of interest for search:
Ejecting or escaping means |
This place covers:
Seats or chairs combined with a device or special design to dissipate deceleration
Attention is drawn to the following places, which may be of interest for search:
Seat modifications for pilots | |
Seat constructed to protect the occupant from the effect of abnormal g-forces | |
Arrangements or fittings on vehicles for protecting or preventing injuries to occupants |
This place covers:
Seats or chairs combined with a torso or limb encircling device, or a device to hold an aircraft passenger in place
Attention is drawn to the following places, which may be of interest for search:
Harnessing for pilots | |
Safety belts or body harnesses in general | |
Safety belts or body harnesses in vehicles |
This place covers:
Seats or chairs combined with a device to hold a passenger in place including an inflatable confining device
Attention is drawn to the following places, which may be of interest for search:
Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags |
This place covers:
Seats or chairs combined with a configuration of mated conductors used to transmit sound, images, or current
Attention is drawn to the following places, which may be of interest for search:
Arrangement of elements of electric or fluid circuits specially adapted for vehicles |
This place covers:
Seats or chairs combined with personal heating, cooling, or air circulation means
Attention is drawn to the following places, which may be of interest for search:
Cabin ventilation nozzles | |
Heating or ventilating devices for a vehicle |
This place covers:
Seats or chairs combined with a cabinet or cabinet-type structure
Attention is drawn to the following places, which may be of interest for search:
Stowage devices for passengers' personal luggage in aircraft | |
Personal storage means or waste disposal bags | |
Stowing or holding appliances inside vehicle primarily intended for personal property smaller than a suitcase |
This place covers:
Seats or chairs with storage means for a passenger's carry-on belongings or for garbage disposal
Attention is drawn to the following places, which may be of interest for search:
Stowage devices for passengers' personal luggage in aircraft | |
Seats combined with cabinet-type storage means | |
Stowing or holding appliances inside vehicle primarily intended for personal property smaller than a suitcase |
This place covers:
Seats or chairs having structures permitting repositioning seat or chair portions or altering the configuration
This place covers:
Arrangement of powered devices to reposition or alter a seat portion
Attention is drawn to the following places, which may be of interest for search:
Reclining or easy chairs adjustable via electric motor | |
Vehicle seat or part thereof being movable or adjustable via an electric motor |
This place covers:
Seat or chair tilt or position configuration
This place covers:
Seats or chairs with a repositionable support for a passenger's portion above the torso, including the neck and/or the head
Attention is drawn to the following places, which may be of interest for search:
Chairs with head rest | |
Vehicle seat with movable or adjustable head rest |
This place covers:
Seats or chairs with a repositionable support for a passenger's lower body, including legs and/or feet
Attention is drawn to the following places, which may be of interest for search:
Chairs with leg or foot rest | |
Seats for vehicle with leg or foot rest |
This place covers:
Seats or chairs with a repositionable passenger upper body extremity support, such as one or both arms
Attention is drawn to the following places, which may be of interest for search:
Chairs with adjustable arm rest | |
Vehicle seat with adjustable arm rests |
This place covers:
Seats or chairs with particular characteristic of fixed supports for body parts other than the torso
Attention is drawn to the following places, which may be of interest for search:
Chairs with head rest | |
Chairs with leg or foot rests | |
Chairs with stationary arm rests | |
Seats for vehicle with arm rests | |
Seats for vehicles with fixed head rest | |
Seats for vehicle with leg or foot rests |
This place covers:
Seats or chairs with particular characteristic of a soft covering or padding
This place covers:
Seat or chair frames, understructure or substructure between seat pan and fastening means to a floor
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Crash frames |
Attention is drawn to the following places, which may be of interest for search:
Vehicle seat constructed to protect the occupant from the effect of abnormal-forces, e.g. crash or safety seats |
This place covers:
Seat or chair design or components therefore minimizing the weight
- Designs without a frame, e.g. using a back plate
- Use of materials such as plastic, aluminum, composites, etc. with the objective task to reduce weight
- Pneumatic elements
- One piece design, i.e. integral back and bottom
- Hollow pieces, e.g. tubular frame members
This place covers:
Seats or chairs designed to be deployed during take-off and landing and stowed during flight, e.g. foldable seats on a wall or bulkhead specifically for a purser or flight attendant
This place covers:
Seats or chairs with means for transverse adjustment, e.g. to accommodate an additional person
Attention is drawn to the following places, which may be of interest for search:
Vehicle seats with transverse adjustment of arm rests |
This place covers:
Seat-side structures to attach a seat or chair to receiving means of a cabin floor
Attention is drawn to the following places, which may be of interest for search:
Vehicle seat positioning and locking mechanism | |
Floors specially adapted for fixing freight |
This place covers:
Structure to attach seats or chairs to the passenger cabin overhead surface
This place covers:
Structure to attach seats or chairs to the passenger cabin side or generally vertical surface
- Hammock type seats
- Seats used in troop transport aircraft
This place covers:
Accessories for air-conditioning systems, e.g. valves, nozzles, air mixing chambers.
Attention is drawn to the following places, which may be of interest for search:
Treatment rooms with artificial climate for medical purposes | |
Respiratory apparatus in general | |
For vehicles in general | |
Valves |
References A61G 10/02, A62B and B60H are non-limiting in the main group B64D 13/00. CPC will be updated/corrected once this inconsistency is resolved in IPC.
Looping references between B64D 13/00 and A61G 10/02 in CPC have been identified. Until the above title inconsistency is resolved in IPC, the current classification practice in CPC is as follows: A61G 10/02 is informative.
This place covers:
Arrangements and devices to direct cooling air from air-conditioning to structural parts of the aircraft.
Attention is drawn to the following places, which may be of interest for search:
Conditioning fuel | |
Fuselage structures adapted to reduce the effects of aerodynamic or other external heating | |
Aircraft heat insulation | |
Wing constructions adapted to reduce effects of aerodynamic or other external heating |
This place covers:
Cabin pressurising valves
Security devices.
Attention is drawn to the following places, which may be of interest for search:
Valves |
This place covers:
Cabin pressurising systems.
This place covers:
Air conditioning systems, e.g. air cycle machines.
Attention is drawn to the following places, which may be of interest for search:
Cabin pressurizing systems | |
Air cycle machines in general |
Reference B64D 13/02 is non-limiting in the subgroup B64D 13/06. CPC will be updated/corrected once this inconsistency is resolved in IPC.
In this place, the following terms or expressions are used with the meaning indicated:
ECS | Environmental control system |
OBOGS | On-Board Oxygen Generation System |
This place covers:
Systems for cooling or heating cabin air, e.g. using heat from radiator.
Heaters
Cabin ventilation systems.
Attention is drawn to the following places, which may be of interest for search:
Heating, cooling or ventilating devices in vehicles |
This place does not cover:
Motor vehicles specially adapted for carrying de-icing equipment |
Attention is drawn to the following places, which may be of interest for search:
Ground-installations for de-icing aircraft |
This place covers:
Fire extinguishing
Safety airbags.
Attention is drawn to the following places, which may be of interest for search:
Parachutes | |
Jettisoning of fuel tanks | |
Protection against criminal attack | |
Safety belts or body harnesses in general | |
Fire prevention, containment or extinguishing | |
Safety belts or body harnesses for vehicles | |
Jettisonable parts of fuselage facilitating emergency escape |
This place covers:
Restraining means for pilot's legs, head or arms in ejection seats.
This place covers:
Crashworthy seats
Adapted or integrated swimming vests.
Attention is drawn to the following places, which may be of interest for search:
Attitude, flight direction or altitude control of aircraft by jet reaction | |
Propulsion or power supply in UAVs |
This place covers:
Aircraft characterised by particular disposition or arrangement of power plants.
Aircraft characterised by the type of power plants.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Drive of rotors by means, e.g. propellers, mounted on rotor blades |
This place covers:
Structures for mounting piston type power plants in aircraft, independently of the position of the same.
This place covers:
Structures for mounting piston type power plant at the wing of the aircraft.
This place covers:
Structures for mounting piston type power plant at the fuselage of the aircraft.
This place covers:
Aircraft with power plants characterised by the use of gas turbines with negligible thrust from the turbine exhaust, e.g. by using turboshaft or turboprop powerplants.
This place does not cover:
Jet aircraft |
Attention is drawn to the following places, which may be of interest for search:
Hybrid electric aircraft | |
Auxiliary power units [APUs] |
This place covers:
Structures for mounting turboprop type power plants at the wing of the aircraft.
This place covers:
Structures for mounting turboprop type power plants at the fuselage of the aircraft.
This place covers:
Aircraft with power plants characterised by the use of exhaust jets for thrust, e.g. by using turbojet, turbofan, propfan or ramjet powerplants.
This place covers:
Structures for mounting turbofan type power plants at the wing of the aircraft.
This place covers:
Structures for mounting turbofan type power plants at the fuselage of the aircraft.
This place does not cover:
Jet aircraft |
This place covers:
Devices and arrangements for mounting power plants to aircraft wings, fuselages or the like, e.g. elastomeric joints for mounting power plants.
Attention is drawn to the following places, which may be of interest for search:
Frames and supporting elements for piston engines | |
Mounting arrangements for non-displacement engines, e.g. for turbine casings | |
Mounting of gas turbines |
This place covers:
Fairings
Seals
Liners.
This place does not cover:
Aerodynamic aspects of nacelles |
This place covers:
Aerodynamic aspects of connection elements between engine nacelle and wing.
Attention is drawn to the following places, which may be of interest for search:
Wings adapted for mounting power plant |
This place covers:
Aerodynamic aspects of connection elements between engine nacelle and fuselage.
This place covers:
Operating mechanisms for cowlings or panels
Latches
Supports for thrust reversers.
Attention is drawn to the following places, which may be of interest for search:
Panels or cowls per se | |
Latches | |
Thrust reversers for turbine engines |
This place covers:
Panels
Cowls.
This place does not cover:
Operating mechanisms for cowlings or panels |
Control specific to combustion engines or components thereof is classified in F02.
Attention is drawn to the following places, which may be of interest for search:
Aeroplane control systems for actuating flying-control surfaces | |
Mechanisms for controlling blade adjustment or movement relative to rotor head in rotorcraft |
Attention is drawn to the following places, which may be of interest for search:
Propeller blade pitch-changing mechanisms characterised by being influenced by power plant control systems |
Attention is drawn to the following places, which may be of interest for search:
Control of electric motors |
This place covers:
Power plant starting systems.
This place covers:
Air intakes.
Attention is drawn to the following places, which may be of interest for search:
Air intakes for gas-turbine power plants or jet propulsion plants per se | |
Combustion engines in general |
In this place, the following terms or expressions are used with the meaning indicated:
APU | Auxiliary Power Unit |
ECS | Environmental Control System |
This place covers:
Exhaust outlets
Turbine exhaust nozzles.
This place does not cover:
Attitude, flight direction or altitude control of aircraft by jet reaction |
Attention is drawn to the following places, which may be of interest for search:
References F01N and F02K are non-limiting in the subgroup B64D 33/04. CPC will be updated/corrected once this inconsistency is resolved in IPC.
Attention is drawn to the following places, which may be of interest for search:
Propellers | |
Helicopter transmissions | |
Rotors |
This place covers:
Fuel supply systems
Gauging.
This place does not cover:
Refuelling during flight |
Attention is drawn to the following places, which may be of interest for search:
Fuel tanks for vehicles |
This place covers:
Plugs for fuel tanks
Other accessories for fuel supply.
This place covers:
Inerting systems
Fire extinguishing
Ram shock protection.
Attention is drawn to the following places, which may be of interest for search:
Extinguishing or preventing fires in aircraft |
Reference A62C is non-limiting in the subgroup B64D 37/32. CPC will be updated/corrected once this inconsistency is resolved in IPC.
This place covers:
Controlling the position of the refuelling boom or hose.
Attention is drawn to the following places, which may be of interest for search:
Filling or emptying tanks |
In this place, the following terms or expressions are used with the meaning indicated:
Refuelling boom | rigid pipe for refuelling |
Refuelling house | flexible house for refuelling; normally rolled on a reel |
This place covers:
Reels for refuelling hoses
Telescopic arrangements for refuelling booms.
This place covers:
Constructional details or accessories for refuelling booms or hoses.
Attention is drawn to the following places, which may be of interest for search:
Pipes in general |
This place covers:
Valves for refuelling booms or hoses
Connection devices for booms or hoses
Connection devices for the receiving aircraft.
This place covers:
Mounting Auxiliary Power Units (APU) in aircraft.
Attention is drawn to the following places, which may be of interest for search:
Auxiliary Power Units (APU) |
In this place, the following terms or expressions are used with the meaning indicated:
APU | Auxiliary Power Unit |
This place covers:
Cockpit dashboards.
This place does not cover:
Arrangement of cameras |
Attention is drawn to the following places, which may be of interest for search:
Aircraft instruments | |
Head Up Displays (HUD) |
In this place, the following terms or expressions are used with the meaning indicated:
HUD | Head Up Display |
This place covers:
Arrangement of Pitot tubes.
Attention is drawn to the following places, which may be of interest for search:
Flight data probes |
This place covers:
Mounting and arrangements of crash recorders
Miscellaneous indicators.
This place does not cover:
Camouflage |
Attention is drawn to the following places, which may be of interest for search:
In patent documents, the following words/expressions are often used as synonyms:
- "crash recorder" and "black box"
This place covers:
Asymmetric flap detection systems
Landing gear deployment detection systems.
This place covers:
Protection systems against hijacking.
Doors or door arrangements specially adapted to restrict unauthorized access are classified in this place (B64D 45/0028) and in B64C 1/1469 (multiple classification).
Attention is drawn to the following places, which may be of interest for search:
Locks |
Attention is drawn to the following places, which may be of interest for search:
Armour; Armour plates |
This place covers:
Conductive rivets
Making composite structures conductive.
Attention is drawn to the following places, which may be of interest for search:
Lightning protectors in general |
Attention is drawn to the following places, which may be of interest for search:
Aircraft seats combined with storage means, said storage means being specially adapted for emergency equipment |