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.
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:
Equipment for UAVs |
In this place, the following terms or expressions are used with the meaning indicated:
hybrid | power plants or aircraft having two or more different sources of motive power which may be used together or alternately |
hybrid electric | power plants or aircraft having electric motors and combustion engines driving the ultimate propulsive elements, e.g. propellers. Three types of hybrid electric aircraft or propulsion plants are identified according to the arrangement of the prime movers: series, parallel and series-parallel. |
hybrid electric; series type | comprises a combustion engine driving an electric generator which powers electric propulsion motors |
hybrid electric; parallel type | comprises a combustion engine and an electric motor for mutual or common propulsion of the ultimate propulsive elements |
hybrid electric; series-parallel type | comprises power-split devices allowing the power path from the combustion engine to the ultimate propulsive element to be either fully mechanical, fully electric as in a series type or a combination of the two |
Ejector seats or ejectable capsules for ejecting or releasing humans in case of emergency are covered by groups B64D 25/10 and B64D 25/12.
This place does not cover:
Refuelling during flight | |
Apparatus for launching projectiles or missiles from barrels, e.g. cannons | |
Rocket or torpedo launchers | |
Launching apparatus for projecting projectiles or missiles otherwise than from barrels | |
Weapon sights; Aiming |
Attention is drawn to the following places, which may be of interest for search:
Parachutes |
This place covers:
- Ejector systems for missiles;
- Devices for separating bombs from fuselage.
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 prevention, containment or extinguishing specially adapted for particular objects or places |
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 |
Attention is drawn to the following places, which may be of interest for search:
Refuelling during flight | |
Ground or aircraft-carrier-deck installations for launching aircraft | |
Ground or aircraft-carrier-deck installations for towing aircraft | |
Towing ropes per se |
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:
Bomb releasing |
This place covers:
Loading systems and methods
Cargo handling.
Attention is drawn to the following places, which may be of interest for search:
Parachutes | |
Non-canopied parachutes | |
Emergency apparatus or devices, not otherwise provided for | |
Securing freight containers or forwarding containers on vehicles | |
Fuselage floors specially adapted for freight | |
Structures integral with fuselages to facilitate loading | |
Steps mounted on, and retractable within, fuselages | |
Ground installations for embarking or disembarking passengers | |
Ground installations for handling freight | |
Large rigid containers specially adapted for air transport | |
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 |
Attention is drawn to the following places, which may be of interest for search:
Securing freight containers on vehicles |
This place covers:
- Garments for pilots, e.g. G-suits, trousers or bladders;
- Helmets;
- Oxygen supply, e.g. valves, pilots' masks or controllers.
Attention is drawn to the following places, which may be of interest for search:
Helmets in general | |
Respiratory or breathing apparatus | |
Protective clothing for use at high altitudes | |
High-altitude pressure suits | |
Breathing masks or helmets | |
Space suits |
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.
Attention is drawn to the following places, which may be of interest for search:
Aircraft bulkheads |
Attention is drawn to the following places, which may be of interest for search:
Sanitary equipment not otherwise provided for; Toilet accessories |
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 | |
Arrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles in general | |
Valves in general |
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.
This place does not cover:
Cabin pressurising systems |
Attention is drawn to the following places, which may be of interest for search:
Air cycle machines in general |
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 |
Attention is drawn to the following places, which may be of interest for search:
Spraying or atomising apparatus in general |
This place does not cover:
Heating arrangements specially adapted for transparent or reflecting areas |
Attention is drawn to the following places, which may be of interest for search:
Electric heating not otherwise provided for |
Attention is drawn to the following places, which may be of interest for search:
Arrangements of valves to inflatable elastic bodies |
This place covers:
Fire extinguishing
Safety airbags.
Examples of places in relation to which this place is residual:
Parachutes | |
Non-canopied parachutes | |
Arrangement of jettisonable fuel tanks in or on aircraft | |
Systems for jettisoning of fuel |
Attention is drawn to the following places, which may be of interest for search:
Protection against criminal attack | |
Safety belts or body harnesses in general | |
Fire prevention, containment or extinguishing specially adapted for aircraft | |
Safety belts or body harnesses for land vehicles | |
Severable or 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:
Windows; Doors; Canopies |
Attention is drawn to the following places, which may be of interest for search:
Arrangements of valves to inflatable elastic bodies |
Attention is drawn to the following places, which may be of interest for search:
Aircraft alighting gear |
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.
Attention is drawn to the following places, which may be of interest for search:
Fuselages specially adapted for mounting power plants | |
Wings specially adapted for power plants | |
Helicopters with 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 characterised by the use of gas turbine power plants to drive the propulsive elements, such as propellers or rotors, primarily those using turboshaft or turboprop power plants.
This place does not cover:
Jet-propulsion aircraft |
Attention is drawn to the following places, which may be of interest for search:
Hybrid electric aircraft | |
Auxiliary power units [APUs] | |
Gas turbine plants per se |
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 characterised by the use of jet-propulsion power plants, e.g. by using turbojet, turbofan, propfan or ramjet power plants.
Attention is drawn to the following places, which may be of interest for search:
Jet propulsion plants per se |
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:
Aircraft characterised by the use of electric power plants for propulsion.
Attention is drawn to the following places, which may be of interest for search:
Propulsion of electrically propelled vehicles |
This place covers:
Aircraft characterised by the use of electric motors and combustion engines to drive the ultimate propulsive elements, e.g. propellers.
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:
Supply of electrical power generated by combustion engines for UAVs, e.g. hybrid systems |
Attention is drawn to the following places, which may be of interest for search:
Arrangements of transmissions specially adapted for hybrid electric power plants |
This place covers:
Aircraft propulsion systems relying solely on electrical propulsion, i.e. without combustion engine power plants.
Attention is drawn to the following places, which may be of interest for search:
Power plant control systems; Arrangement of power plant control systems in aircraft | |
Power transmission arrangements specially adapted for electric power plants | |
Circuit arrangements or systems for supplying or distributing electric power | |
Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries | |
Systems for storing electric energy |
This place covers:
Arrangements for recovering energy from the propulsion system, e.g. power recovery turbines or propellers operating as wind motors during descent.
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:
Supply of electrical power generated by photovoltaics for UAVs |
Attention is drawn to the following places, which may be of interest for search:
Photovoltaic [PV] power generation | |
Individual photovoltaic cells, e.g. solar cells | |
Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F 10/00, e.g. photovoltaic modules |
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:
Supply of electrical power generated by fuel cells for UAVs |
Attention is drawn to the following places, which may be of interest for search:
Propulsion of electrically propelled vehicles using propulsion power supplied by batteries or fuel cells | |
Fuel cells per se |
Attention is drawn to the following places, which may be of interest for search:
Propulsion of electrically propelled vehicles using propulsion power supplied by batteries or fuel cells | |
Primary cells | |
Secondary cells |
Attention is drawn to the following places, which may be of interest for search:
Propulsion of electrically propelled vehicles using propulsion power supplied by capacitors | |
Capacitors per se |
This place covers:
Arrangements for mounting power plants to aircraft wings, fuselages or similar structures, such as elastomeric joints used for this purpose.
Attention is drawn to the following places, which may be of interest for search:
Fuselages specially adapted for mounting power plants | |
Wings specially adapted for mounting power plants | |
Frames and supporting elements for rotary-piston engines | |
Supporting or mounting arrangements for non-positive-displacement engines, e.g. for turbine casings | |
Mounting or supporting of gas turbine plants |
This place covers:
Fairings, seals or liners.
Attention is drawn to the following places, which may be of interest for search:
Aircraft nacelles not otherwise provided for |
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 specially adapted for mounting power plants |
This place covers:
Aerodynamic aspects of connection elements between engine nacelle and fuselage.
Attention is drawn to the following places, which may be of interest for search:
Fuselages specially adapted for mounting power plants |
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.
Attention is drawn to the following places, which may be of interest for search:
Operating mechanisms for cowlings or panels |
This place covers:
Systems and devices for controlling the operation of aircraft power plants.
Group B64D 31/00 covers the arrangement or mounting of power plant control systems in aircraft, whereas group B64D 27/40 covers arrangements for mounting of power plants in aircraft.
Attention is drawn to the following places, which may be of interest for search:
Aircraft propeller blade pitch-changing mechanisms | |
Control systems or transmitting means for actuating flying-control surfaces, lift-increasing flaps, air brakes or spoilers | |
Aircraft conjoint control not otherwise provided for | |
Rotorcraft with mechanisms for controlling blade adjustment or movement relative to rotor head | |
Controlling gas-turbine plants; Controlling fuel supply in air-breathing jet-propulsion plants | |
Controlling combustion engines | |
Control or regulation of electric motors |
Attention is drawn to the following places, which may be of interest for search:
Initiating means for actuating flying-control surfaces, lift-increasing flaps, air brakes or spoilers |
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:
Transmitting means for actuating flying-control surfaces, lift-increasing flaps, air brakes or spoilers |
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 or jet propulsion plants per se | |
Air intakes for internal combustion engines |
In patent documents, the following abbreviations are often used:
APU | auxiliary power unit |
ECS | environmental control system |
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 | |
Exhaust apparatus for internal combustion engines | |
Jet propulsion plants characterised by the form or arrangement of the jet pipe or nozzle |
Attention is drawn to the following places, which may be of interest for search:
Ground installations for reducing engine or jet noise |
Attention is drawn to the following places, which may be of interest for search:
Arrangement or mounting of transmissions in vehicles | |
Aircraft propellers | |
Rotor drives for helicopters | |
Rotors for rotorcraft | |
Gearing | |
Lubrication |
Attention is drawn to the following places, which may be of interest for search:
Hybrid electric aircraft |
This place covers:
Transmission arrangements comprising power-split devices, allowing the power path from the combustion engine to the ultimate propulsive element to be either fully mechanical, fully electric as in a series type, or a combination of the two.
This place covers:
Transmission arrangements comprising a combustion engine driving an electric generator, which powers electric propulsion motors. The combustion engine does not mechanically drive the same propulsor as the electric motor.
This place covers:
Transmission arrangements comprising a combustion engine and an electric motor for mutual or common propulsion of the ultimate propulsive elements. The combustion engine and the electric motor are generally separate systems.
This place covers:
The propeller or rotor being an integral component of the electric motor, such as when the rotor of the electric power plant is integrated into the propeller or propulsive rotor.
Attention is drawn to the following places, which may be of interest for search:
Arrangements for handling mechanical energy structurally associated with dynamo-electric machines |
This place does not cover:
Arrangement of transmissions specially adapted for hybrid-electric power plants |
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 does not cover:
Tanks constructed integrally with aircraft wings |
Attention is drawn to the following places, which may be of interest for search:
Tanks in general |
This place covers:
- Inerting systems;
- Fire extinguishing;
- Ram shock protection.
Examples of places in relation to which this place is residual:
Fire prevention, containment or extinguishing specially adapted for aircraft |
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 fuel tanks |
In this place, the following terms or expressions are used with the meaning indicated:
refuelling boom | rigid pipe for refuelling |
refuelling hose | flexible hose 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 or hoses 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.
Attention is drawn to the following places, which may be of interest for search:
Arrangement of cameras in or to aircraft | |
Aeronautical measuring instruments per se | |
Combined instruments indicating more than one navigational value, e.g. for aircraft | |
Head-up displays [HUD] |
In patent documents, the following abbreviations are often used:
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 arrangement of crash recorders;
- Miscellaneous indicators.
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:
Conductive or anti-static coatings | |
Overvoltage protection resistors; Arrestors | |
Self-interrupters | |
Lightning protectors in general | |
Overvoltage arresters using spark gaps | |
Emergency protective circuit arrangements | |
Carrying-off electrostatic charges |
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 |