CPC Scheme - B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT

Version: 2024.08

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CPC

COOPERATIVE PATENT CLASSIFICATION

B64D

EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT [2024-01]

WARNINGS

The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:

B64D15/18	covered by	B64D 15/16
B64D25/102	covered by	B64D 25/10
B64D25/105	covered by	B64D 25/10
B64D25/108	covered by	B64D 25/10
B64D25/11	covered by	B64D 25/10
B64D25/112	covered by	B64D 25/10
B64D25/115	covered by	B64D 25/10
B64D25/118	covered by	B64D 25/10

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

B64D 1/00

Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight (with respect to weapon sights devices F41G takes precedence, parachutes per se B64D 17/00; ejectable seats B64D 25/10; ejectable capsules B64D 25/12; refuelling during flight B64D 39/00; launching apparatus for projecting projectiles or missiles F41F 1/00, F41F 7/00; rocket or torpedo launchers F41F 3/00) [2013-01]

B64D 1/02

Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D 37/12) [2013-01]

B64D 1/04

. .

the articles being explosive, e.g. bombs (arming or setting bomb fuzes F42C) [2013-01]

B64D 1/06

. . .

Bomb releasing; Bomb doors [2024-08]

B64D 1/08

. .

the articles being load-carrying devices [2013-01]

B64D 1/10

. . .

Stowage arrangements for the devices in aircraft [2013-01]

B64D 1/12

. . .

Releasing [2013-01]

B64D 1/14

. . .

Absorbing landing shocks [2013-01]

B64D 1/16

Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D 37/26) [2013-01]

B64D 1/18

. .

by spraying, e.g. insecticides (spraying apparatus per se B05B) [2013-01]

B64D 1/20

. .

for sky-writing [2013-01]

B64D 1/22

Taking-up articles from earth's surface [2013-01]

B64D 3/00

Aircraft adaptations to facilitate towing or being towed (B64D 39/00 takes precedence) [2017-01]

B64D 3/02

for towing targets [2017-01]

B64D 5/00

Aircraft transported by aircraft, e.g. for release or reberthing during flight (flying units formed by separate aircraft B64C 37/02) [2013-01]

B64D 7/00

Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft (dropping bombs or the like B64D 1/00; armaments or mountings therefor per se F41) [2013-01]

B64D 7/02

the armaments being firearms [2013-01]

B64D 7/04

. .

fixedly mounted [2013-01]

B64D 7/06

. .

movably mounted [2013-01]

B64D 7/08

Arrangements of rocket launchers {or releasing means}(rocket launchers per se, e.g. rocket pods, F41F 3/06) [2013-01]

B64D 9/00

Equipment for handling freight; Equipment for facilitating passenger embarkation or the like (emergency equipment B64D 17/00, B64D 19/00, B64D 25/00; structures integral with fuselage to facilitate loading, fuselage floors specially adapted for freight, steps mounted on and retractable within aircraft B64C; ground installations B64F) [2013-01]

B64D 9/003

{Devices for retaining pallets or freight containers (securing freight containers on vehicles B60P 7/00)} [2013-01]

B64D 2009/006

{Rollers or drives for pallets of freight containers, e.g. PDU} [2018-05]

B64D 10/00

Flight suits (helmets in general A42B 3/00; breathing helmets A62B 18/00) [2023-02]

B64D 2010/002

{Anti-g suits or garments} [2013-01]

B64D 2010/005

{High altitude suits or garments, e.g. partial or total pressure} [2013-01]

B64D 2010/007

{Suits with cooling or heating means} [2013-01]

B64D 11/00

Passenger or crew accommodation; Flight-deck installations not otherwise provided for [2017-05]

B64D 11/0007

{Devices specially adapted for food or beverage distribution services} [2013-01]

B64D 11/0015

{Arrangements for entertainment or communications, e.g. radio, television} [2018-08]

B64D 11/00151

. .

{Permanently mounted seat back monitors} [2014-12]

B64D 11/00152

. .

{Seat back fixtures for removable monitors, e.g. tablet computers} [2014-12]

B64D 11/00153

. .

{Monitors mounted on or in the seat other than the seat back} [2014-12]

B64D 11/00154

. .

{Loudspeakers mounted in the seat back} [2014-12]

B64D 11/00155

. .

{Individual entertainment or communication system remote controls therefor, located in or connected to seat components, e.g. to seat back or arm rest} [2014-12]

B64D 11/0023

{Movable or removable cabin dividers, e.g. for class separation (bulkheads B64C 1/10)} [2013-01]

B64D 11/003

{Stowage devices for passengers' personal luggage} [2013-01]

B64D 2011/0038

{Illumination systems for cabins as a whole} [2013-01]

B64D 2011/0046

{Modular or preassembled units for creating cabin interior structures} [2013-01]

B64D 2011/0053

{Cabin passenger reading lights} [2013-01]

B64D 2011/0061

{Windows displaying outside view, artificially generated} [2013-01]

B64D 2011/0069

{Rest berths, beds or the like} [2013-01]

B64D 2011/0076

. .

{for crew members, e.g. for sleeping during flight} [2013-01]

B64D 2011/0084

. .

{Bed units for passengers attached to the ceiling of the fuselage} [2013-01]

B64D 2011/0092

. .

{Arrangements for mounting stretchers in aircraft cabins} [2013-01]

B64D 11/02

Toilet fittings (of general application A47K) [2013-01]

B64D 11/04

Galleys [2013-01]

B64D 11/06

{Arrangements of seats, or adaptations or details specially adapted for aircraft seats (crew seat constructions for emergency purposes B64D 25/04)} [2018-08]

B64D 11/0601

. .

{Arrangement of seats for non-standard seating layouts, e.g. seats staggered horizontally or vertically, arranged in an angled or fishbone layout, or facing in other directions than the direction of flight} [2014-12]

B64D 11/0602

. .

{Seat modules, i.e. seat systems including furniture separate from the seat itself} [2014-12]

B64D 11/0604

. . .

{including a bed, e.g. cocoon type passenger seat modules} [2014-12]

B64D 11/0605

. . .

{including tables or desks} [2014-12]

B64D 11/0606

. .

{with privacy shells, screens, separators or the like (class dividers B64D 11/0023)} [2014-12]

B64D 11/0607

. .

{with devices specially adapted for exercising during travel; with devices specially adapted to prevent thrombosis} [2014-12]

B64D 11/0611

. .

{with means for holding the passenger in a standing position} [2014-12]

B64D 11/0612

. .

{specially adapted for children} [2014-12]

B64D 11/0616

. .

{with ejection means} [2014-12]

B64D 11/0619

. .

{with energy absorbing means specially adapted for mitigating impact loads for passenger seats, e.g. at a crash} [2014-12]

B64D 11/062

. .

{Belts or other passenger restraint means for passenger seats} [2014-12]

B64D 11/06205

. . .

{Arrangements of airbags} [2014-12]

B64D 11/0621

. . . .

{Airbag initiation or activation means} [2014-12]

B64D 11/0624

. .

{Arrangements of electrical connectors, e.g. for earphone, internet or electric supply} [2014-12]

B64D 11/0626

. .

{with individual temperature or ventilation control} [2014-12]

B64D 11/0627

. .

{Seats combined with storage means} [2014-12]

B64D 11/0629

. . .

{the storage means being specially adapted for emergency equipment} [2018-08]

B64D 11/0631

. . . .

{for life vests} [2014-12]

B64D 11/0632

. . . .

{for breathing apparatus} [2014-12]

B64D 11/0633

. . . .

{for devices other than life vests and intended for external use, e.g. parachutes or life rafts} [2014-12]

B64D 11/0636

. . .

{Personal storage means or waste disposal bags} [2014-12]

B64D 11/0638

. .

{with foldable tables, trays or cup holders} [2014-12]

B64D 11/0639

. .

{with features for adjustment or converting of seats} [2014-12]

B64D 11/06395

. . .

{characterised by the arrangement of electric motors for adjustment} [2014-12]

B64D 11/064

. . .

{Adjustable inclination or position of seats} [2014-12]

B64D 11/0641

. . .

{Seats convertible into beds} [2014-12]

B64D 11/0642

. . .

{Adjustable headrests} [2014-12]

B64D 11/0643

. . .

{Adjustable foot or leg rests} [2014-12]

B64D 11/0644

. . .

{Adjustable arm rests} [2014-12]

B64D 11/0646

. .

{Seats characterised by special features of stationary arms, foot or head rests} [2014-12]

B64D 11/0647

. .

{Seats characterised by special upholstery or cushioning features} [2014-12]

B64D 11/0648

. .

{Lower frame constructions} [2014-12]

B64D 11/0649

. .

{Seats characterised by special features for reducing weight} [2014-12]

B64D 11/0689

. .

{specially adapted for pilots} [2013-01]

B64D 11/0691

. .

{specially adapted for cabin crew} [2014-12]

B64D 11/0693

. .

{Width modification of seat assemblies, e.g. for class modification} [2013-01]

B64D 11/0696

. .

{Means for fastening seats to floors, e.g. to floor rails} [2013-01]

B64D 11/0697

. .

{Seats suspended from aircraft ceiling} [2014-12]

B64D 11/0698

. .

{Seats suspended from aircraft walls} [2014-12]

B64D 13/00

Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space {, or structural parts of the aircraft} (treatment rooms with artificial climate for medical purposes A61G 10/02; respiratory apparatus in general A62B; for vehicles in general B60H) [2022-08]

B64D 2013/003

{Cabin ventilation nozzles} [2013-01]

B64D 13/006

{the air being used to cool structural parts of the aircraft} [2013-01]

B64D 13/02

the air being pressurised [2013-01]

B64D 13/04

. .

Automatic control of pressure [2013-01]

B64D 13/06

the air being conditioned (pressurising B64D 13/02) [2013-01]

B64D 2013/0603

. .

{Environmental Control Systems} [2013-01]

B64D 2013/0607

. . .

{providing hot air or liquid for deicing aircraft parts, e.g. aerodynamic surfaces or windows} [2013-01]

B64D 2013/0611

. . .

{combined with auxiliary power units (APU's)} [2013-01]

B64D 2013/0614

. . .

{with subsystems for cooling avionics} [2013-01]

B64D 2013/0618

. . .

{with arrangements for reducing or managing bleed air, using another air source, e.g. ram air} [2013-01]

B64D 2013/0622

. . .

{used in combination with boundary layer control systems} [2013-01]

B64D 2013/0625

. . .

{comprising means for distribution effusion of conditioned air in the cabin} [2013-01]

B64D 2013/0629

. . .

{with subsystems for cooling food, catering or special loads} [2013-01]

B64D 2013/0633

. . .

{including chemical reaction-based thermal management systems} [2013-01]

B64D 2013/0637

. . .

{with CO₂ removers} [2013-01]

B64D 2013/064

. . .

{comprising more than one system, e.g. dual systems} [2013-01]

B64D 2013/0644

. . .

{including electric motors or generators} [2013-01]

B64D 2013/0648

. . .

{with energy recovery means, e.g. using turbines} [2013-01]

B64D 2013/0651

. . .

{comprising filters, e.g. dust filters} [2013-01]

B64D 2013/0655

. . .

{with zone or personal climate controls} [2013-01]

B64D 2013/0659

. . .

{comprising provisions for cooling fuel systems} [2013-01]

B64D 2013/0662

. . .

{with humidity control} [2013-01]

B64D 2013/0666

. . .

{with means for preventing icing within the ECS components} [2013-01]

B64D 2013/067

. . .

{with air ionizers} [2013-01]

B64D 2013/0674

. . .

{comprising liquid subsystems} [2013-01]

B64D 2013/0677

. . .

{comprising on board oxygen generator systems} [2013-01]

B64D 2013/0681

. . .

{with oxygen control} [2013-01]

B64D 2013/0685

. . .

{with ozone control} [2013-01]

B64D 2013/0688

. . .

{with means for recirculating cabin air} [2013-01]

B64D 2013/0692

. . .

{with special provisions against smoke from cigarettes} [2013-01]

B64D 2013/0696

. . .

{with provisions for starting power plants} [2013-01]

B64D 13/08

. .

the air being heated or cooled [2013-01]

B64D 15/00

De-icing or preventing icing on exterior surfaces of aircraft (motor vehicles specially adapted for carrying de-icing equipment B60P) [2017-01]

B64D 15/02

by ducted hot gas or liquid [2013-01]

B64D 15/04

. .

Hot gas application [2013-01]

B64D 15/06

. .

Liquid application (in general B05) [2013-01]

B64D 15/08

. . .

exuded from surface [2013-01]

B64D 15/10

. . .

sprayed over surface [2013-01]

B64D 15/12

by electric heating (electric heating elements in general H05B) [2013-01]

B64D 15/14

. .

controlled cyclically along length of surface [2013-01]

B64D 15/16

by mechanical means [2013-01]

B64D 15/163

. .

{using electro-impulsive devices} [2013-01]

B64D 15/166

. .

{using pneumatic boots} [2013-01]

B64D 15/20

Means for detecting icing or initiating de-icing [2013-01]

B64D 15/22

. .

Automatic initiation by icing detector [2013-01]

B64D 17/00

Parachutes (non canopied parachutes B64D 19/00) [2013-01]

B64D 17/02

Canopy arrangement or construction [2013-01]

NOTE

B64D 17/025 takes precedence over B64D 17/04 - B64D 17/18

B64D 17/025

. .

{for gliding chutes} [2013-01]

B64D 17/04

. .

formed with two or more canopies arranged about a common axis [2013-01]

B64D 17/06

. .

formed with two or more canopies arranged in a cluster [2013-01]

B64D 17/08

. .

Secondary or shock-absorbing canopies attached to load line [2013-01]

B64D 17/10

. .

Ribbon construction or the like [2013-01]

B64D 17/12

. .

constructed to provide variable or non-uniform porosity over area of canopy [2013-01]

B64D 17/14

. .

with skirt or air-deflecting panels [2013-01]

B64D 17/16

. . .

secured to hem of main canopy [2013-01]

B64D 17/18

. .

Vent arrangement or construction [2013-01]

B64D 17/20

. . .

variable in area [2013-01]

B64D 17/22

Load suspension [2013-01]

B64D 17/24

. .

Rigging lines [2013-01]

B64D 17/26

. . .

attached to hem of canopy [2013-01]

B64D 17/28

. . .

attached to apex of canopy [2013-01]

B64D 17/30

. .

Harnesses (harnesses per se A62B) [2013-01]

B64D 17/32

. . .

Construction of quick-release box [2013-01]

B64D 17/34

. .

adapted to control direction or rate of descent [2013-01]

B64D 17/343

. . .

{by reefing means} [2013-01]

B64D 17/346

. . .

{by anti-squid lines} [2013-01]

B64D 17/36

. .

incorporating friction devices or frangible connections to reduce shock loading of canopy {(B64D 17/343, B64D 17/346 take precedence)} [2013-01]

B64D 17/38

. .

Releasable fastening devices between parachute and load or pack [2013-01]

B64D 17/383

. . .

{Cargo release hooks} [2013-01]

B64D 17/386

. . .

{Devices adapted to cut lines or straps} [2013-01]

B64D 17/40

Packs [2013-01]

B64D 17/42

. .

rigid [2013-01]

B64D 17/44

. . .

forming part of load [2013-01]

B64D 17/46

. .

Closing means [2013-01]

B64D 17/48

. .

with separate pack for extractor of auxiliary parachute [2013-01]

B64D 17/50

. .

formed with separate compartments for main canopy, rigging lines, or auxiliary parachute [2013-01]

B64D 17/52

. .

Opening, e.g. manual [2013-01]

B64D 17/54

. . .

automatic [2013-01]

B64D 17/56

. . . .

responsive to barometric pressure [2013-01]

B64D 17/58

. . . .

responsive to time-delay mechanism [2013-01]

B64D 17/60

. . . .

by static line [2013-01]

B64D 17/62

Deployment [2013-01]

B64D 17/64

. .

by extractor parachute [2013-01]

B64D 17/66

. . .

attached to hem of main canopy [2013-01]

B64D 17/68

. . .

attached to apex of main canopy [2013-01]

B64D 17/70

. .

by springs [2013-01]

B64D 17/72

. .

by explosive or inflatable means [2013-01]

B64D 17/725

. . .

{by explosive means} [2013-01]

B64D 17/74

. .

Sequential deployment of a plurality of canopies [2013-01]

B64D 17/76

. .

facilitated by method of folding or packing [2013-01]

B64D 17/78

in association with other load-retarding apparatus [2013-01]

B64D 17/80

in association with aircraft, e.g. for braking thereof [2013-01]

B64D 19/00

Non-canopied parachutes [2013-01]

B64D 19/02

Rotary-wing parachutes [2013-01]

B64D 21/00

Testing of parachutes [2013-01]

B64D 23/00

Training of parachutists [2013-01]

B64D 25/00

Emergency apparatus or devices, not otherwise provided for (parachutes B64D 17/00, B64D 19/00; jettisoning of fuel tanks or fuel per se B64D 37/00; {specially adapted for protection against criminal attack, e.g. anti-hijacking systems B64D 45/0015} ; safety belts or body harnesses in general A62B 35/00; safety belts or body harnesses for land vehicles B60R 22/00; jettisonable parts of fuselage facilitating emergency escape B64C) [2013-01]

B64D 25/02

Supports or holding means for living bodies [2013-01]

B64D 25/04

. .

Seat modifications [2013-01]

B64D 25/06

. .

Harnessing [2013-01]

B64D 25/08

Ejecting or escaping means (escape apertures B64C) [2013-01]

B64D 25/10

. .

Ejector seats [2013-01]

B64D 25/12

. .

Ejectable capsules [2013-01]

B64D 25/14

. .

Inflatable escape chutes [2013-01]

B64D 25/16

. .

Dinghy stowage [2013-01]

B64D 25/18

. .

Flotation gear (aircraft alighting gear B64C) [2013-01]

B64D 25/20

. .

Releasing of crash position indicators [2013-01]

B64D 27/00

Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants [2024-01]

B64D 2027/005

{Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]} [2013-01]

B64D 27/02

Aircraft characterised by the type or position of power plants (fuselages specially adapted for mounting power plants B64C 1/16; wings specially adapted for power plants B64C 3/32) [2024-01]

WARNING

Group B64D 27/02 is impacted by reclassification into groups B64D 27/026, B64D 27/33, B64D 27/357, B64D 27/359, B64D 31/16, B64D 31/18 and B64D 35/021 - B64D 35/025.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 27/023

. .

{of rocket type, e.g. for assisting taking-off or braking} [2016-08]

B64D 27/026

. .

{comprising different types of power plants, e.g. combination of a piston engine and a gas-turbine (Hybrid electric aircraft B64D 27/33)} [2024-01]

WARNING

Group B64D 27/026 is incomplete pending reclassification of documents from group B64D 27/02.
Groups B64D 27/026 and B64D 27/02 should be considered in order to perform a complete search.

B64D 27/04

. .

of piston type [2013-01]

B64D 27/06

. . .

within, or attached to, wings [2024-01]

B64D 27/08

. . .

within, or attached to, fuselages [2024-01]

B64D 27/10

. .

of gas-turbine type (jet aircraft B64D 27/16) [2024-01]

B64D 27/12

. . .

within, or attached to, wings [2024-01]

B64D 27/14

. . .

within, or attached to, fuselages [2024-01]

B64D 27/16

. .

of jet type [2013-01]

B64D 27/18

. . .

within, or attached to, wings [2024-01]

B64D 27/20

. . .

within, or attached to, fuselages [2024-01]

B64D 27/22

. .

using atomic energy [2013-01]

B64D 27/24

. .

using steam or spring force (jet aircraft B64D 27/16) [2024-01]

WARNING

Group B64D 27/24 is impacted by reclassification into groups B64D 27/30, B64D 27/31, B64D 27/32, B64D 27/33, B64D 27/34, B64D 27/35, B64D 27/351, B64D 27/353, B64D 27/355, B64D 27/357, B64D 27/359, B64D 31/16, B64D 31/18 and B64D 35/021 - B64D 35/025.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 27/30

. .

Aircraft characterised by electric power plants [2024-01]

WARNING

Groups B64D 27/30, B64D 27/31, B64D 27/32, B64D 27/34, B64D 27/35, B64D 27/351 and B64D 27/355 are incomplete pending reclassification of documents from group B64D 27/24.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 27/31

. . .

within, or attached to, wings [2024-01]

B64D 27/32

. . .

within, or attached to, fuselages [2024-01]

B64D 27/33

. . .

Hybrid electric aircraft [2024-01]

WARNING

Group B64D 27/33 is incomplete pending reclassification of documents from groups B64D 27/02 and B64D 27/24.
Groups B64D 27/33, B64D 27/02 and B64D 27/24 should be considered in order to perform a complete search.

B64D 27/34

. . .

All-electric aircraft [2024-01]

B64D 27/35

. . .

Arrangements for on-board electric energy production, distribution, recovery or storage [2024-01]

B64D 27/351

. . . .

using energy recovery [2024-01]

B64D 27/353

. . . .

using solar cells [2024-01]

WARNING

Group B64D 27/353 is incomplete pending reclassification of documents from group B64D 27/24.
Group B64D 27/353 is also impacted by reclassification into group B64U 50/31.
Groups B64D 27/353, B64D 27/24 and B64U 50/31 should be considered in order to perform a complete search.

B64D 27/355

. . . .

using fuel cells [2024-01]

B64D 27/357

. . . .

using batteries [2024-01]

WARNING

Group B64D 27/357 is incomplete pending reclassification of documents from groups B64D 27/02 and B64D 27/24.
Groups B64D 27/357, B64D 27/02, B64D 27/24 should be considered in order to perform a complete search.

B64D 27/359

. . . .

using capacitors [2024-01]

WARNING

Group B64D 27/359 is incomplete pending reclassification of documents from groups B64D 27/02 and B64D 27/24.
Groups B64D 27/359, B64D 27/02 and B64D 27/24 should be considered in order to perform a complete search.

B64D 27/40

Arrangements for mounting power plants in aircraft [2024-01]

WARNING

Group B64D 27/40 is impacted by reclassification into groups B64D 27/402, B64D 27/404 and B64D 27/406.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 27/402

. .

{comprising box like supporting frames, e.g. pylons or arrangements for embracing the power plant} [2024-01]

WARNING

Group B64D 27/402 is incomplete pending reclassification of documents from group B64D 27/40.
Groups B64D 27/402 and B64D 27/40 should be considered in order to perform a complete search.

B64D 27/404

. .

{Suspension arrangements specially adapted for supporting vertical loads} [2024-01]

WARNING

Group B64D 27/404 is incomplete pending reclassification of documents from group B64D 27/40.
Groups B64D 27/404 and B64D 27/40 should be considered in order to perform a complete search.

B64D 27/406

. .

{Suspension arrangements specially adapted for supporting thrust loads, e.g. thrust links} [2024-01]

WARNING

Group B64D 27/406 is incomplete pending reclassification of documents from group B64D 27/40.
Groups B64D 27/406 and B64D 27/40 should be considered in order to perform a complete search.

B64D 29/00

Power-plant nacelles, fairings, or cowlings (nacelles not otherwise provided for B64C) [2013-01]

B64D 29/02

associated with wings (wings adapted for mounting power plant B64C) [2013-01]

B64D 29/04

associated with fuselages [2013-01]

B64D 29/06

Attaching of nacelles, fairings or cowlings [2013-01]

B64D 29/08

Inspection panels for power plants [2013-01]

B64D 31/00

Power plant control systems; Arrangement of power plant control systems in aircraft [2024-01]

WARNING

Group B64D 31/00 is impacted by reclassification into groups B64D 31/16 and B64D 31/18.
Groups B64D 31/00, B64D 31/16 and B64D 31/18 should be considered in order to perform a complete search.

B64D 31/02

Initiating means [2013-01]

B64D 31/04

. .

actuated personally [2013-01]

B64D 31/06

. .

actuated automatically [2024-01]

WARNING

Group B64D 31/06 is impacted by reclassification into group B64D 31/09.
Groups B64D 31/06 and B64D 31/09 should be considered in order to perform a complete search.

B64D 31/08

. . .

for keeping cruising speed constant [2024-01]

B64D 31/09

. . .

in response to power plant failure [2024-01]

WARNING

Group B64D 31/09 is incomplete pending reclassification of documents from group B64D 31/06.
Groups B64D 31/09 and B64D 31/06 should be considered in order to perform a complete search.

B64D 31/10

. . . .

for preventing asymmetric thrust [2024-01]

B64D 31/12

. . .

for equalising or synchronising power plants [2013-01]

B64D 31/14

Transmitting means between initiating means and power plants [2013-01]

B64D 31/16

for electric power plants [2024-01]

WARNING

Groups B64D 31/16 and B64D 31/18 are incomplete pending reclassification of documents from groups B64D 27/02, B64D 27/24 and B64D 31/00.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 31/18

. .

for hybrid-electric power plants [2024-01]

B64D 33/00

Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for [2013-01]

B64D 33/02

of combustion air intakes (air intakes for gas-turbine plants or jet-propulsion plants per se F02C 7/04; air intakes for combustion engines in general F02M 35/00) [2013-01]

B64D 2033/0206

. .

{comprising noise reduction means, e.g. acoustic liners} [2013-01]

B64D 2033/0213

. .

{specially adapted for auxiliary power units (APU's)} [2013-01]

B64D 2033/022

. .

{comprising bird or foreign object protections} [2013-01]

B64D 2033/0226

. .

{comprising boundary layer control means} [2013-01]

B64D 2033/0233

. .

{comprising de-icing means} [2013-01]

B64D 2033/024

. .

{comprising cooling means} [2013-01]

B64D 2033/0246

. .

{comprising particle separators} [2013-01]

B64D 2033/0253

. .

{specially adapted for particular type of aircraft} [2013-01]

B64D 2033/026

. . .

{for supersonic or hypersonic aircraft} [2013-01]

B64D 2033/0266

. .

{specially adapted for particular type of power plants} [2013-01]

B64D 2033/0273

. . .

{for jet engines} [2013-01]

B64D 2033/028

. . .

{for piston engines} [2013-01]

B64D 2033/0286

. . .

{for turbofan engines} [2013-01]

B64D 2033/0293

. . .

{for turboprop engines} [2013-01]

B64D 33/04

of exhaust outlets or jet pipes (exhaust outlets for combustion engines in general F01N; jet pipes or nozzles for jet-propulsion plants per se F02K; plants characterised by the form or arrangement of the jet pipe or nozzle F02K {; attitude, flight direction, or altitude control by jet reaction B64C}) [2017-08]

B64D 2033/045

. .

{comprising infrared suppressors} [2013-01]

B64D 33/06

. .

{Silencing exhaust or propulsion jets (ground installations B64F)} [2016-11]

B64D 33/08

of power plant cooling systems (cooling of internal-combustion engines per se F01P; cooling of gas-turbine plants or jet-propulsion plants per se F02C, F02K) [2013-01]

B64D 33/10

. .

Radiator arrangement [2013-01]

B64D 33/12

. . .

of retractable type [2013-01]

B64D 35/00

Transmitting power from power plants to propellers or rotors; Arrangements of transmissions [2024-01]

B64D 35/02

specially adapted for specific power plants [2024-01]

WARNING

Group B64D 35/02 is impacted by reclassification into groups B64D 35/021, B64D 35/022, B64D 35/023, B64D 35/024, B64D 35/025 and B64D 35/026.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 35/021

. .

for electric power plants [2024-01]

WARNING

Groups B64D 35/021, B64D 35/022, B64D 35/023, B64D 35/024 and B64D 35/025 are incomplete pending reclassification of documents from groups B64D 27/02, B64D 27/24 and B64D 35/02.
All groups listed in this Warning should be considered in order to perform a complete search.

B64D 35/022

. . .

of hybrid-electric type [2024-01]

B64D 35/023

. . . .

of series-parallel type [2024-01]

B64D 35/024

. . . .

of series type [2024-01]

B64D 35/025

. . . .

of parallel type [2024-01]

B64D 35/026

. . .

the electric power plant being integral with the propeller or rotor [2024-01]

WARNING

Group B64D 35/026 is incomplete pending reclassification of documents from group B64D 35/02.
Groups B64D 35/026 and B64D 35/02 should be considered in order to perform a complete search.

B64D 35/04

characterised by the transmission driving a plurality of propellers or rotors [2013-01]

B64D 35/06

. .

the propellers or rotors being counter-rotating [2013-01]

B64D 35/08

characterised by the transmission being driven by a plurality of power plants [2013-01]

B64D 37/00

Arrangements in connection with fuel supply for power plant (refuelling during flight B64D 39/00) [2013-01]

B64D 37/005

{Accessories not provided for in the groups B64D 37/02 - B64D 37/28} [2016-05]

B64D 37/02

Tanks (tanks constructed integrally with aircraft wings B64C; shape or construction of tanks per se B65D) [2013-01]

B64D 37/04

. .

Arrangement thereof in or on aircraft [2013-01]

B64D 37/06

. .

Constructional adaptations thereof [2013-01]

B64D 37/08

. . .

Internal partitioning [2013-01]

B64D 37/10

. . .

to facilitate fuel pressurisation [2013-01]

B64D 37/12

. . .

jettisonable [2013-01]

B64D 37/14

. .

Filling or emptying (transferring fuels to adjust aircraft trim B64C) [2013-01]

B64D 37/16

. . .

Filling systems (ground installations for fuelling aircraft B64F) [2013-01]

B64D 37/18

. . . .

Conditioning fuel during filling [2013-01]

B64D 37/20

. . .

Emptying systems [2013-01]

B64D 37/22

. . . .

facilitating emptying in any position of tank [2013-01]

B64D 37/24

. . . .

using gas pressure [2013-01]

B64D 37/26

. . . .

Jettisoning of fuel [2013-01]

B64D 37/28

. . . .

Control thereof [2013-01]

B64D 37/30

Fuel systems for specific fuels [2013-01]

B64D 37/32

Safety measures not otherwise provided for, e.g. preventing explosive conditions (extinguishing or preventing fires in aircraft A62C) [2013-01]

B64D 2037/325

. .

{Fuel tanks with provisions for reduction hydraulic ram shocks due to projectile impacts} [2013-01]

B64D 37/34

Conditioning fuel, e.g. heating (during filling B64D 37/18) [2013-01]

B64D 39/00

Refuelling during flight (filling or emptying fuel tanks B64D 37/14) [2013-01]

B64D 39/02

Means for paying-in or out hose [2013-01]

B64D 39/04

Adaptations of hose construction (pipes in general F16L) [2013-01]

B64D 39/06

Connecting hose to aircraft; Disconnecting hose therefrom [2013-01]

B64D 41/00

Power installations for auxiliary purposes [2013-01]

B64D 2041/002

{Mounting arrangements for auxiliary power units (APU's)} [2013-01]

B64D 2041/005

{Fuel cells} [2013-01]

B64D 41/007

{Ram air turbines} [2013-01]

B64D 43/00

Arrangements or adaptations of instruments (arrangements of cameras B64D 47/08; aeronautical measuring instruments per se G01C) [2013-01]

B64D 43/02

for indicating aircraft speed or stalling conditions [2013-01]

B64D 45/00

Aircraft indicators or protectors not otherwise provided for (camouflage F41H 3/00) [2013-01]

B64D 45/0005

{Devices specially adapted to indicate the position of a movable element of the aircraft, e.g. landing gear} [2013-01]

B64D 2045/001

. .

{for indicating symmetry of flaps deflection} [2013-01]

B64D 45/0015

{Devices specially adapted for the protection against criminal attack, e.g. anti-hijacking systems} [2022-02]

B64D 45/0018

. .

{means on aircraft for restricting unauthorized access to the aircraft} [2022-02]

B64D 45/0021

. .

{means for restricting access to flight deck} [2022-02]

B64D 45/0026

. . .

{by creating a secure space between the flight deck and cabin} [2022-02]

B64D 45/0028

. . .

{doors or door arrangements specially adapted to restrict unauthorized access} [2022-02]

B64D 45/0029

. . . .

{electrically actuated} [2022-02]

B64D 45/0031

. .

{means for overriding or restricting access to flight controls} [2022-02]

B64D 45/0034

. . .

{by ground-control override} [2022-02]

B64D 45/0036

. .

{by disabling or restraining attackers} [2022-02]

B64D 45/0039

. . .

{by electrical shock} [2022-02]

B64D 45/0042

. . .

{by spraying or injecting chemicals} [2019-08]

B64D 45/0044

. . .

{by restraining within seats} [2022-02]

B64D 45/0048

. . .

{by harnesses, nets, ropes, or the like (B64D 45/0044 takes precedence)} [2022-02]

B64D 45/0051

. .

{by monitoring passengers or crew on aircraft} [2019-08]

B64D 45/0053

. . .

{using visual equipment, e.g. cameras} [2019-08]

B64D 45/0056

. . .

{detecting passenger or crew behavior by sensors, e.g. biometrics} [2019-08]

B64D 45/0059

. .

{by communicating emergency situations to ground control or between crew members} [2019-08]

B64D 45/0061

. .

{by protecting cabin or cargo hold from bombs} [2019-08]

B64D 45/0063

. .

{by avoiding the use of electronic equipment during flight, e.g. of mobile phones or laptops} [2019-08]

B64D 2045/0065

{Black boxes, devices automatically broadcasting distress signals} [2013-01]

B64D 2045/007

{Indicators or signs in the cabin, e.g. exit signs or seat numbering} [2013-01]

B64D 2045/0075

{Adaptations for use of electronic flight bags in aircraft; Supports therefor in the cockpit} [2015-10]

B64D 2045/008

{Devices for detecting or indicating hard landing} [2013-01]

B64D 2045/0085

{Devices for aircraft health monitoring, e.g. monitoring flutter or vibration} [2013-01]

B64D 2045/009

{Fire detection or protection; Erosion protection, e.g. from airborne particles} [2013-01]

B64D 2045/0095

{Devices specially adapted to avoid bird strike} [2013-01]

B64D 45/02

Lightning protectors; Static dischargers (in general H01T) [2013-01]

B64D 45/04

Landing aids; Safety measures to prevent collision with earth's surface [2013-01]

B64D 45/06

. .

mechanical [2013-01]

B64D 45/08

. .

optical [2013-01]

B64D 47/00

Equipment not otherwise provided for [2013-01]

B64D 47/02

Arrangements or adaptations of signal or lighting devices [2013-01]

B64D 47/04

. .

the lighting devices being primarily intended to illuminate the way ahead [2013-01]

B64D 47/06

. .

for indicating aircraft presence [2013-01]

B64D 47/08

Arrangements of cameras [2023-01]

WARNING

Group B64D 47/08 is impacted by reclassification into group B64U 20/87.
Groups B64D 47/08 and B64U 20/87 should be considered in order to perform a complete search.

B64D 2201/00

Airbags mounted in aircraft for any use [2013-01]

B64D 2203/00

Aircraft or airfield lights using LEDs [2013-01]

B64D 2205/00

Aircraft with means for ground manoeuvring, such as taxiing, using an auxiliary thrust system, e.g. jet-engines, propellers or compressed air [2013-01]

B64D 2221/00

Electric power distribution systems onboard aircraft [2013-01]

B64D 2231/00

Emergency oxygen systems [2013-01]

B64D 2231/02

Supply or distribution systems [2013-01]

B64D 2231/025

. .

Oxygen masks; Mask storages; Features related to mask deployment [2024-08]

B64D 2241/00

NACA type air intakes [2013-01]

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