B64D1/00	7	Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight (refuelling during flight B64D39/00; launching apparatus for projecting projectiles or missiles F41F1/00, F41F7/00; rocket or torpedo launchers F41F3/00; weapon sights or aiming F41G)	B64D1/00	B64D1/00		508
B64D1/02	8	Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D37/12)	B64D1/02	B64D1/02		2193
B64D1/04	9	the articles being explosive, e.g. bombs	B64D1/04	B64D1/04		1279
B64D1/06	10	Bomb releasing; Bomb doors	B64D1/06	B64D1/06		952
B64D1/08	9	the articles being load-carrying devices	B64D1/08	B64D1/08		530
B64D1/10	10	Stowage arrangements for the devices in aircraft	B64D1/10	B64D1/10		378
B64D1/12	10	Releasing	B64D1/12	B64D1/12		1060
B64D1/14	10	Absorbing landing shocks	B64D1/14	B64D1/14		375
B64D1/16	8	Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D37/26)	B64D1/16	B64D1/16		1498
B64D1/18	9	by spraying, e.g. insecticides	B64D1/18	B64D1/18		4415
B64D1/20	9	for sky-writing	B64D1/20	B64D1/20		36
B64D1/22	8	Taking-up articles from earth&apos;s surface	B64D1/22	B64D1/22		1714
B64D3/00	7	Aircraft adaptations to facilitate towing or being towed	B64D3/00	B64D3/00		276
B64D3/02	8	for towing targets	B64D3/02	B64D3/02		131
B64D5/00	7	Aircraft transported by aircraft, e.g. for release or reberthing during flight	B64D5/00	B64D5/00		851
B64D7/00	7	Arrangement of military equipment, e.g. armaments, armament accessories or military shielding, in aircraft; Adaptations of armament mountings for aircraft (dropping bombs or the like B64D1/00)	B64D7/00	B64D7/00		672
B64D7/02	8	the armaments being firearms	B64D7/02	B64D7/02		682
B64D7/04	9	fixedly mounted	B64D7/04	B64D7/04		48
B64D7/06	9	movably mounted	B64D7/06	B64D7/06		137
B64D7/08	8	Arrangement of rocket launchers	B64D7/08	B64D7/08		365
B64D9/00	7	Equipment for handling freight; Equipment for facilitating passenger embarkation or the like	B64D9/00	B64D9/00		2518
B64D9/003	8	{Devices for retaining pallets or freight containers}	B64D9/00	B64D9/00		750
B64D2009/006	8	{Rollers or drives for pallets of freight containers, e.g. PDU}	B64D9/00	B64D9/00		327
B64D10/00	7	Flight suits	B64D10/00	B64D10/00		765
B64D2010/002	8	{Anti-g suits or garments}	B64D10/00	B64D10/00		94
B64D2010/005	8	{High altitude suits or garments, e.g. partial or total pressure}	B64D10/00	B64D10/00		105
B64D2010/007	8	{Suits with cooling or heating means}	B64D10/00	B64D10/00		55
B64D11/00	7	Passenger or crew accommodation; Flight-deck installations not otherwise provided for	B64D11/00	B64D11/00		1960
B64D11/0007	8	{Devices specially adapted for food or beverage distribution services}	B64D11/00	B64D11/00		611
B64D11/0015	8	{Arrangements for entertainment or communications, e.g. radio, television}	B64D11/00	B64D11/00		1102
B64D11/00151	9	{Permanently mounted seat back monitors}	B64D11/00	B64D11/00		226
B64D11/00152	9	{Seat back fixtures for removable monitors, e.g. tablet computers}	B64D11/00	B64D11/00		176
B64D11/00153	9	{Monitors mounted on or in the seat other than the seat back}	B64D11/00	B64D11/00		168
B64D11/00154	9	{Loudspeakers mounted in the seat back}	B64D11/00	B64D11/00		43
B64D11/00155	9	{Individual entertainment or communication system remote controls therefor, located in or connected to seat components, e.g. to seat back or arm rest}	B64D11/00	B64D11/00		454
B64D11/0023	8	{Movable or removable cabin dividers, e.g. for class separation}	B64D11/00	B64D11/00		372
B64D11/003	8	{Stowage devices for passengers&apos; personal luggage}	B64D11/00	B64D11/00		802
B64D2011/0038	8	{Illumination systems for cabins as a whole}	B64D11/00	B64D11/00		500
B64D2011/0046	8	{Modular or preassembled units for creating cabin interior structures}	B64D11/00	B64D11/00		388
B64D2011/0053	8	{Cabin passenger reading lights}	B64D11/00	B64D11/00		285
B64D2011/0061	8	{Windows displaying outside view, artificially generated}	B64D11/00	B64D11/00		126
B64D2011/0069	8	{Rest berths, beds or the like}	B64D11/00	B64D11/00		81
B64D2011/0076	9	{for crew members, e.g. for sleeping during flight}	B64D11/00	B64D11/00		112
B64D2011/0084	9	{Bed units for passengers attached to the ceiling of the fuselage}	B64D11/00	B64D11/00		31
B64D2011/0092	9	{Arrangements for mounting stretchers in aircraft cabins}	B64D11/00	B64D11/00		99
B64D11/02	8	Toilet fittings	B64D11/02	B64D11/02		1074
B64D11/04	8	Galleys	B64D11/04	B64D11/04		960
B64D11/06	8	{Arrangements of seats, or adaptations or details specially adapted for aircraft seats (crew seat constructions for emergency purposes B64D25/04)}	B64D11/06	B64D11/06		2035
B64D11/0601	9	{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}	B64D11/06	B64D11/06		571
B64D11/0602	9	{Seat modules, i.e. seat systems including furniture separate from the seat itself}	B64D11/06	B64D11/06		200
B64D11/0604	10	{including a bed, e.g. cocoon type passenger seat modules}	B64D11/06	B64D11/06		307
B64D11/0605	10	{including tables or desks}	B64D11/06	B64D11/06		252
B64D11/0606	9	{with privacy shells, screens, separators or the like (class dividers  B64D11/0023)}	B64D11/06	B64D11/06		565
B64D11/0607	9	{with devices specially adapted for exercising during travel; with devices specially adapted to prevent thrombosis}	B64D11/06	B64D11/06		57
B64D11/0611	9	{with means for holding the passenger in a standing position}	B64D11/06	B64D11/06		25
B64D11/0612	9	{specially adapted for children}	B64D11/06	B64D11/06		135
B64D11/0616	9	{with ejection means}	B64D11/06	B64D11/06		50
B64D11/0619	9	{with energy absorbing means specially adapted for mitigating impact loads for passenger seats, e.g. at a crash}	B64D11/06	B64D11/06		478
B64D11/062	9	{Belts or other passenger restraint means for passenger seats}	B64D11/06	B64D11/06		379
B64D11/06205	10	{Arrangements of airbags}	B64D11/06	B64D11/06		102
B64D11/0621	11	{Airbag initiation or activation means}	B64D11/06	B64D11/06		41
B64D11/0624	9	{Arrangements of electrical connectors, e.g. for earphone, internet  or electric supply}	B64D11/06	B64D11/06		420
B64D11/0626	9	{with individual temperature or ventilation control}	B64D11/06	B64D11/06		145
B64D11/0627	9	{Seats combined with storage means}	B64D11/06	B64D11/06		165
B64D11/0629	10	{the storage means being specially adapted for emergency equipment}	B64D11/06	B64D11/06		69
B64D11/0631	11	{for life vests}	B64D11/06	B64D11/06		71
B64D11/0632	11	{for breathing apparatus}	B64D11/06	B64D11/06		47
B64D11/0633	11	{for devices other than life vests and intended for external use, e.g. parachutes or life rafts}	B64D11/06	B64D11/06		30
B64D11/0636	10	{Personal storage means or waste disposal bags}	B64D11/06	B64D11/06		243
B64D11/0638	9	{with foldable tables, trays or cup holders}	B64D11/06	B64D11/06		915
B64D11/0639	9	{with features for adjustment or converting of seats}	B64D11/06	B64D11/06		511
B64D11/06395	10	{characterised by the arrangement of electric motors for adjustment}	B64D11/06	B64D11/06		247
B64D11/064	10	{Adjustable inclination or position of seats}	B64D11/06	B64D11/06		1148
B64D11/0641	10	{Seats convertible into beds}	B64D11/06	B64D11/06		627
B64D11/0642	10	{Adjustable headrests}	B64D11/06	B64D11/06		210
B64D11/0643	10	{Adjustable foot or leg rests}	B64D11/06	B64D11/06		470
B64D11/0644	10	{Adjustable arm rests}	B64D11/06	B64D11/06		292
B64D11/0646	9	{Seats characterised by special features of stationary arms, foot or head rests}	B64D11/06	B64D11/06		358
B64D11/0647	9	{Seats characterised by special upholstery or cushioning features}	B64D11/06	B64D11/06		596
B64D11/0648	9	{Lower  frame constructions}	B64D11/06	B64D11/06		290
B64D11/0649	9	{Seats characterised by special features for reducing weight}	B64D11/06	B64D11/06		287
B64D11/0689	9	{specially adapted for pilots}	B64D11/06	B64D11/06		367
B64D11/0691	9	{specially adapted for cabin crew}	B64D11/06	B64D11/06		207
B64D11/0693	9	{Width modification of seat assemblies, e.g. for class modification}	B64D11/06	B64D11/06		112
B64D11/0696	9	{Means for fastening seats to floors, e.g. to floor rails}	B64D11/06	B64D11/06		1022
B64D11/0697	9	{Seats suspended from aircraft ceiling}	B64D11/06	B64D11/06		29
B64D11/0698	9	{Seats suspended from aircraft walls}	B64D11/06	B64D11/06		79
B64D13/00	7	Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space	B64D13/00	B64D13/00		1137
B64D2013/003	8	{Cabin ventilation nozzles}	B64D13/00	B64D13/00		476
B64D13/006	8	{the air being used to cool structural parts of the aircraft}	B64D13/00	B64D13/00		213
B64D13/02	8	the air being pressurised	B64D13/02	B64D13/02		823
B64D13/04	9	Automatic control of pressure	B64D13/04	B64D13/04		690
B64D13/06	8	the air being conditioned (pressurising B64D13/02)	B64D13/06	B64D13/06		2205
B64D2013/0603	9	{Environmental Control Systems}	B64D13/06	B64D13/06		449
B64D2013/0607	10	{providing hot air or liquid for deicing aircraft parts, e.g. aerodynamic surfaces or windows}	B64D13/06	B64D13/06		91
B64D2013/0611	10	{combined with auxiliary power units (APU&apos;s)}	B64D13/06	B64D13/06		183
B64D2013/0614	10	{with subsystems for cooling avionics}	B64D13/06	B64D13/06		368
B64D2013/0618	10	{with arrangements for reducing or managing bleed air, using another air source, e.g. ram air}	B64D13/06	B64D13/06		616
B64D2013/0622	10	{used in combination with boundary layer control systems}	B64D13/06	B64D13/06		36
B64D2013/0625	10	{comprising means for distribution effusion of conditioned air in the cabin}	B64D13/06	B64D13/06		214
B64D2013/0629	10	{with subsystems for cooling food, catering or special loads}	B64D13/06	B64D13/06		188
B64D2013/0633	10	{including chemical reaction-based thermal management systems}	B64D13/06	B64D13/06		8
B64D2013/0637	10	{with CO2 removers}	B64D13/06	B64D13/06		32
B64D2013/064	10	{comprising more than one system, e.g. dual systems}	B64D13/06	B64D13/06		157
B64D2013/0644	10	{including electric motors or generators}	B64D13/06	B64D13/06		334
B64D2013/0648	10	{with energy recovery means, e.g. using turbines}	B64D13/06	B64D13/06		339
B64D2013/0651	10	{comprising filters, e.g. dust filters}	B64D13/06	B64D13/06		264
B64D2013/0655	10	{with zone or personal climate controls}	B64D13/06	B64D13/06		125
B64D2013/0659	10	{comprising provisions for cooling fuel systems}	B64D13/06	B64D13/06		81
B64D2013/0662	10	{with humidity control}	B64D13/06	B64D13/06		265
B64D2013/0666	10	{with means for preventing icing within the ECS components}	B64D13/06	B64D13/06		53
B64D2013/067	10	{with air ionizers}	B64D13/06	B64D13/06		38
B64D2013/0674	10	{comprising liquid subsystems}	B64D13/06	B64D13/06		263
B64D2013/0677	10	{comprising on board oxygen generator systems}	B64D13/06	B64D13/06		134
B64D2013/0681	10	{with oxygen control}	B64D13/06	B64D13/06		122
B64D2013/0685	10	{with ozone control}	B64D13/06	B64D13/06		94
B64D2013/0688	10	{with means for recirculating cabin air}	B64D13/06	B64D13/06		397
B64D2013/0692	10	{with special provisions against smoke from cigarettes}	B64D13/06	B64D13/06		9
B64D2013/0696	10	{with provisions for starting power plants}	B64D13/06	B64D13/06		32
B64D13/08	9	the air being heated or cooled	B64D13/08	B64D13/08		1457
B64D15/00	7	De-icing or preventing icing on exterior surfaces of aircraft	B64D15/00	B64D15/00		368
B64D15/02	8	by ducted hot gas or liquid	B64D15/02	B64D15/02		248
B64D15/04	9	Hot gas application	B64D15/04	B64D15/04		565
B64D15/06	9	Liquid application	B64D15/06	B64D15/06		94
B64D15/08	10	exuded from surface	B64D15/08	B64D15/08		32
B64D15/10	10	sprayed over surface	B64D15/10	B64D15/10		35
B64D15/12	8	by electric heating (heating arrangements specially adapted for transparent or reflecting areas H05B3/84)	B64D15/12	B64D15/12		1291
B64D15/14	9	controlled cyclically along length of surface	B64D15/14	B64D15/14		156
B64D15/16	8	by mechanical means, e.g. pulsating mats or shoes attached to, or built into, surface	B64D15/16	B64D15/16		419
B64D15/163	9	{using electro-impulsive devices}	B64D15/16	B64D15/16		137
B64D15/166	9	{using pneumatic boots}	B64D15/16	B64D15/16		256
B64D15/20	8	Means for detecting icing or initiating de-icing	B64D15/20	B64D15/20		812
B64D15/22	9	Automatic initiation by icing detector	B64D15/22	B64D15/22		210
B64D17/00	7	Parachutes (non-canopied parachutes B64D19/00)	B64D17/00	B64D17/00		1118
B64D17/02	8	Canopy arrangement or construction<br><br><u>NOTE</u><br><br>B64D17/025 takes precedence over B64D17/04 - B64D17/20	B64D17/02	B64D17/02		360
B64D17/025	9	{for gliding chutes}	B64D17/02	B64D17/02		525
B64D17/04	9	formed with two or more canopies arranged about a common axis	B64D17/04	B64D17/04		49
B64D17/06	9	formed with two or more canopies arranged in a cluster	B64D17/06	B64D17/06		24
B64D17/08	9	Secondary or shock-absorbing canopies attached to load line	B64D17/08	B64D17/08		17
B64D17/10	9	Ribbon construction or the like	B64D17/10	B64D17/10		33
B64D17/12	9	constructed to provide variable or non-uniform porosity over area of canopy	B64D17/12	B64D17/12		30
B64D17/14	9	with skirt or air-deflecting panels	B64D17/14	B64D17/14		97
B64D17/16	10	secured to hem of main canopy	B64D17/16	B64D17/16		6
B64D17/18	9	Vent arrangement or construction	B64D17/18	B64D17/18		101
B64D17/20	10	variable in area	B64D17/20	B64D17/20		23
B64D17/22	8	Load suspension	B64D17/22	B64D17/22		88
B64D17/24	9	Rigging lines	B64D17/24	B64D17/24		136
B64D17/26	10	attached to hem of canopy	B64D17/26	B64D17/26		43
B64D17/28	10	attached to apex of canopy	B64D17/28	B64D17/28		12
B64D17/30	9	Harnesses	B64D17/30	B64D17/30		508
B64D17/32	10	Construction of quick-release box	B64D17/32	B64D17/32		388
B64D17/34	9	adapted to control direction or rate of descent	B64D17/34	B64D17/34		273
B64D17/343	10	{by reefing means}	B64D17/34	B64D17/34		121
B64D17/346	10	{by anti-squid lines}	B64D17/34	B64D17/34		21
B64D17/36	9	incorporating friction devices or frangible connections to reduce shock loading of canopy {(B64D17/343, B64D17/346 take precedence)}	B64D17/36	B64D17/36		136
B64D17/38	9	Releasable fastening devices between parachute and load or pack	B64D17/38	B64D17/38		356
B64D17/383	10	{Cargo release hooks}	B64D17/38	B64D17/38		269
B64D17/386	10	{Devices adapted to cut lines or straps}	B64D17/38	B64D17/38		69
B64D17/40	8	Packs	B64D17/40	B64D17/40		187
B64D17/42	9	rigid	B64D17/42	B64D17/42		61
B64D17/44	10	forming part of load	B64D17/44	B64D17/44		7
B64D17/46	9	Closing means	B64D17/46	B64D17/46		52
B64D17/48	9	with separate pack for extractor of auxiliary parachute	B64D17/48	B64D17/48		11
B64D17/50	9	formed with separate compartments for main canopy, rigging lines, or auxiliary parachute	B64D17/50	B64D17/50		20
B64D17/52	9	Opening, e.g. manual	B64D17/52	B64D17/52		776
B64D17/54	10	automatic	B64D17/54	B64D17/54		296
B64D17/56	11	responsive to barometric pressure	B64D17/56	B64D17/56		73
B64D17/58	11	responsive to time-delay mechanism	B64D17/58	B64D17/58		52
B64D17/60	11	by static line	B64D17/60	B64D17/60		32
B64D17/62	8	Deployment	B64D17/62	B64D17/62		336
B64D17/64	9	by extractor parachute	B64D17/64	B64D17/64		109
B64D17/66	10	attached to hem of main canopy	B64D17/66	B64D17/66		5
B64D17/68	10	attached to apex of main canopy	B64D17/68	B64D17/68		21
B64D17/70	9	by springs	B64D17/70	B64D17/70		209
B64D17/72	9	by explosive or inflatable means	B64D17/72	B64D17/72		400
B64D17/725	10	{by explosive means}	B64D17/72	B64D17/72		122
B64D17/74	9	Sequential deployment of a plurality of canopies	B64D17/74	B64D17/74		55
B64D17/76	9	facilitated by method of folding or packing	B64D17/76	B64D17/76		47
B64D17/78	8	in association with other load-retarding apparatus	B64D17/78	B64D17/78		370
B64D17/80	8	in association with aircraft, e.g. for braking thereof	B64D17/80	B64D17/80		1321
B64D19/00	7	Non-canopied parachutes	B64D19/00	B64D19/00		46
B64D19/02	8	Rotary-wing parachutes	B64D19/02	B64D19/02		116
B64D21/00	7	Testing of parachutes	B64D21/00	B64D21/00		64
B64D23/00	7	Training of parachutists	B64D23/00	B64D23/00		206
B64D25/00	7	Emergency apparatus or devices, not otherwise provided for	B64D25/00	B64D25/00		825
B64D25/02	8	Supports or holding means for living bodies	B64D25/02	B64D25/02		234
B64D25/04	9	Seat modifications	B64D25/04	B64D25/04		339
B64D25/06	9	Harnessing	B64D25/06	B64D25/06		462
B64D25/08	8	Ejecting or escaping means	B64D25/08	B64D25/08		265
B64D25/10	9	Ejector seats	B64D25/10	B64D25/10		736
B64D25/12	9	Ejectable capsules	B64D25/12	B64D25/12		485
B64D25/14	9	Inflatable escape chutes	B64D25/14	B64D25/14		570
B64D25/16	9	Dinghy stowage	B64D25/16	B64D25/16		26
B64D25/18	9	Flotation gear	B64D25/18	B64D25/18		154
B64D25/20	9	Releasing of crash-position indicators	B64D25/20	B64D25/20		136
B64D27/00	7	Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants	B64D27/00	B64D27/00		700
B64D2027/005	8	{Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]}	B64D27/00	B64D27/00		446
B64D27/02	8	Aircraft characterised by the type or position of power plants<br><br><u>WARNING</u><br>Group B64D27/02 is impacted by reclassification into groups B64D27/026, B64D27/33, B64D27/357, B64D27/359, B64D31/16, B64D31/18 and B64D35/021 - B64D35/025. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D27/02	B64D27/02		1151
B64D27/023	9	{of rocket type, e.g. for assisting taking-off or braking}	B64D27/02	B64D27/02		394
B64D27/026	9	{comprising different types of power plants, e.g. combination of a piston engine and a gas-turbine (Hybrid electric aircraft B64D27/33)}<br><br><u>WARNING</u><br>Group B64D27/026 is incomplete pending reclassification of documents from group B64D27/02. <br>Groups B64D27/026 and B64D27/02 should be considered in order to perform a complete search.	B64D27/02	B64D27/02		1355
B64D27/04	9	of piston type	B64D27/04	B64D27/04		563
B64D27/06	10	within, or attached to, wings	B64D27/06	B64D27/06		120
B64D27/08	10	within, or attached to, fuselages	B64D27/08	B64D27/08		217
B64D27/10	9	of gas-turbine type&#160; (jet aircraft B64D27/16)	B64D27/10	B64D27/10		932
B64D27/12	10	within, or attached to, wings	B64D27/12	B64D27/12		411
B64D27/14	10	within, or attached to, fuselages	B64D27/14	B64D27/14		360
B64D27/16	9	of jet type	B64D27/16	B64D27/16		608
B64D27/18	10	within, or attached to, wings	B64D27/18	B64D27/18		733
B64D27/20	10	within, or attached to, fuselages	B64D27/20	B64D27/20		610
B64D27/22	9	using atomic energy	B64D27/22	B64D27/22		28
B64D27/24	9	using steam or spring force (jet aircraft B64D27/16)<br><br><u>WARNING</u><br>Group B64D27/24 is impacted by reclassification into groups B64D27/30, B64D27/31, B64D27/32, B64D27/33, B64D27/34, B64D27/35, B64D27/351, B64D27/353, B64D27/355, B64D27/357, B64D27/359, B64D31/16, B64D31/18 and B64D35/021 - B64D35/025. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D27/24	B64D27/24		2845
B64D27/30	9	Aircraft characterised by electric power plants<br><br><u>WARNING</u><br>Groups B64D27/30, B64D27/31, B64D27/32, B64D27/34, B64D27/35, B64D27/351 and B64D27/355 are incomplete pending reclassification of documents from group B64D27/24. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D27/30	B64D27/30		304
B64D27/31	10	within, or attached to, wings	B64D27/31	B64D27/31		611
B64D27/32	10	within, or attached to, fuselages	B64D27/32	B64D27/32		225
B64D27/33	10	Hybrid electric aircraft<br><br><u>WARNING</u><br>Group B64D27/33 is incomplete pending reclassification of documents from groups B64D27/02 and B64D27/24. <br>Groups B64D27/33, B64D27/02 and B64D27/24 should be considered in order to perform a complete search.	B64D27/33	B64D27/33		1363
B64D27/34	10	All-electric aircraft	B64D27/34	B64D27/34		1377
B64D27/35	10	Arrangements for on-board electric energy production, distribution, recovery or storage	B64D27/35	B64D27/35		215
B64D27/351	11	using energy recovery	B64D27/351	B64D27/351		45
B64D27/353	11	using solar cells<br><br><u>WARNING</u><br>Group B64D27/353 is incomplete pending reclassification of documents from group B64D27/24. <br>Group B64D27/353 is also impacted by reclassification into group B64U50/31. <br>Groups B64D27/353, B64D27/24 and B64U50/31 should be considered in order to perform a complete search.	B64D27/353	B64D27/353		407
B64D27/355	11	using fuel cells	B64D27/355	B64D27/355		390
B64D27/357	11	using batteries<br><br><u>WARNING</u><br>Group B64D27/357 is incomplete pending reclassification of documents from groups B64D27/02 and B64D27/24. <br>Groups B64D27/357, B64D27/02, B64D27/24 should be considered in order to perform a complete search.	B64D27/357	B64D27/357		1085
B64D27/359	11	using capacitors<br><br><u>WARNING</u><br>Group B64D27/359 is incomplete pending reclassification of documents from groups B64D27/02 and B64D27/24. <br>Groups B64D27/359, B64D27/02 and B64D27/24 should be considered in order to perform a complete search.	B64D27/359	B64D27/359		74
B64D27/40	8	Arrangements for mounting power plants in aircraft<br><br><u>WARNING</u><br>Group B64D27/40 is impacted by reclassification into groups B64D27/402, B64D27/404 and B64D27/406. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D27/40	B64D27/40		892
B64D27/402	9	{comprising box like supporting frames, e.g. pylons or arrangements for embracing the power plant}<br><br><u>WARNING</u><br>Group B64D27/402 is incomplete pending reclassification of documents from group B64D27/40. <br>Groups B64D27/402 and B64D27/40 should be considered in order to perform a complete search.	B64D27/40	B64D27/40		904
B64D27/404	9	{Suspension arrangements specially adapted for supporting vertical loads}<br><br><u>WARNING</u><br>Group B64D27/404 is incomplete pending reclassification of documents from group B64D27/40. <br>Groups B64D27/404 and B64D27/40 should be considered in order to perform a complete search.	B64D27/40	B64D27/40		603
B64D27/406	9	{Suspension arrangements specially adapted for supporting thrust loads, e.g. thrust links}<br><br><u>WARNING</u><br>Group B64D27/406 is incomplete pending reclassification of documents from group B64D27/40. <br>Groups B64D27/406 and B64D27/40 should be considered in order to perform a complete search.	B64D27/40	B64D27/40		389
B64D29/00	7	Power-plant nacelles, fairings or cowlings	B64D29/00	B64D29/00		868
B64D29/02	8	associated with wings	B64D29/02	B64D29/02		469
B64D29/04	8	associated with fuselages	B64D29/04	B64D29/04		218
B64D29/06	8	Attaching of nacelles, fairings or cowlings	B64D29/06	B64D29/06		1110
B64D29/08	8	Inspection panels for power plants	B64D29/08	B64D29/08		447
B64D31/00	7	Power plant control systems; Arrangement of power plant control systems in aircraft<br><br><u>WARNING</u><br>Group B64D31/00 is impacted by reclassification into groups B64D31/16 and B64D31/18. <br>Groups B64D31/00, B64D31/16 and B64D31/18 should be considered in order to perform a complete search.	B64D31/00	B64D31/00		659
B64D31/02	8	Initiating means	B64D31/02	B64D31/02		172
B64D31/04	9	actuated personally	B64D31/04	B64D31/04		479
B64D31/06	9	actuated automatically<br><br><u>WARNING</u><br>Group B64D31/06 is impacted by reclassification into group B64D31/09. <br>Groups B64D31/06 and B64D31/09 should be considered in order to perform a complete search.	B64D31/06	B64D31/06		740
B64D31/08	10	for keeping cruising speed constant	B64D31/08	B64D31/08		34
B64D31/09	10	in response to power plant failure<br><br><u>WARNING</u><br>Group B64D31/09 is incomplete pending reclassification of documents from group B64D31/06. <br>Groups B64D31/09 and B64D31/06 should be considered in order to perform a complete search.	B64D31/09	B64D31/09		107
B64D31/10	11	for preventing asymmetric thrust	B64D31/10	B64D31/10		109
B64D31/12	10	for equalising or synchronising power plants	B64D31/12	B64D31/12		170
B64D31/14	8	Transmitting means between initiating means and power plants	B64D31/14	B64D31/14		201
B64D31/16	8	for electric power plants<br><br><u>WARNING</u><br>Groups B64D31/16 and B64D31/18 are incomplete pending reclassification of documents from groups B64D27/02, B64D27/24 and B64D31/00.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D31/16	B64D31/16		574
B64D31/18	9	for hybrid-electric power plants	B64D31/18	B64D31/18		610
B64D33/00	7	Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for	B64D33/00	B64D33/00		352
B64D33/02	8	of combustion air intakes	B64D33/02	B64D33/02		2179
B64D2033/0206	9	{comprising noise reduction means, e.g. acoustic liners}	B64D33/02	B64D33/02		568
B64D2033/0213	9	{specially adapted for auxiliary power units (APU&apos;s)}	B64D33/02	B64D33/02		125
B64D2033/022	9	{comprising bird or foreign object protections}	B64D33/02	B64D33/02		279
B64D2033/0226	9	{comprising boundary layer control means}	B64D33/02	B64D33/02		287
B64D2033/0233	9	{comprising de-icing means}	B64D33/02	B64D33/02		486
B64D2033/024	9	{comprising cooling means}	B64D33/02	B64D33/02		137
B64D2033/0246	9	{comprising particle separators}	B64D33/02	B64D33/02		146
B64D2033/0253	9	{specially adapted for particular type of aircraft}	B64D33/02	B64D33/02		82
B64D2033/026	10	{for supersonic or hypersonic aircraft}	B64D33/02	B64D33/02		326
B64D2033/0266	9	{specially adapted for particular type of power plants}	B64D33/02	B64D33/02		27
B64D2033/0273	10	{for jet engines}	B64D33/02	B64D33/02		158
B64D2033/028	10	{for piston engines}	B64D33/02	B64D33/02		47
B64D2033/0286	10	{for turbofan engines}	B64D33/02	B64D33/02		440
B64D2033/0293	10	{for turboprop engines}	B64D33/02	B64D33/02		87
B64D33/04	8	of exhaust outlets or jet pipes	B64D33/04	B64D33/04		970
B64D2033/045	9	{comprising infrared suppressors}	B64D33/04	B64D33/04		79
B64D33/06	9	{Silencing exhaust or propulsion jets}	B64D33/04	B64D33/06		301
B64D33/08	8	of power plant cooling systems	B64D33/08	B64D33/08		1304
B64D33/10	9	Radiator arrangement	B64D33/10	B64D33/10		875
B64D33/12	10	of retractable type	B64D33/12	B64D33/12		29
B64D35/00	7	Transmitting power from power plants to propellers or rotors; Arrangements of transmissions	B64D35/00	B64D35/00		1014
B64D35/02	8	specially adapted for specific power plants<br><br><u>WARNING</u><br>Group B64D35/02 is impacted by reclassification into groups B64D35/021, B64D35/022, B64D35/023, B64D35/024, B64D35/025 and B64D35/026. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/02	B64D35/02		267
B64D35/021	9	for electric power plants<br><br><u>WARNING</u><br>Groups B64D35/021, B64D35/022, B64D35/023, B64D35/024 and B64D35/025 are incomplete pending reclassification of documents from groups B64D27/02, B64D27/24 and B64D35/02.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/021	B64D35/021		211
B64D35/022	10	of hybrid-electric type<br><br><u>WARNING</u><br>Group B64D35/022 is incomplete pending reclassification of documents from group B64D35/08.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/022	B64D35/022		99
B64D35/023	11	of series-parallel type<br><br><u>WARNING</u><br>Group B64D35/023 is incomplete pending reclassification of documents from group B64D35/08.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/023	B64D35/023		243
B64D35/024	11	of series type<br><br><u>WARNING</u><br>Group B64D35/024 is incomplete pending reclassification of documents from group B64D35/08.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/024	B64D35/024		226
B64D35/025	11	of parallel type<br><br><u>WARNING</u><br>Group B64D35/025 is incomplete pending reclassification of documents from group B64D35/08.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/025	B64D35/025		176
B64D35/026	10	the electric power plant being integral with the propeller or rotor<br><br><u>WARNING</u><br>Group B64D35/026 is incomplete pending reclassification of documents from group B64D35/02.<br>Groups B64D35/026 and B64D35/02 should be considered in order to perform a complete search.	B64D35/026	B64D35/026		99
B64D35/04	8	characterised by the transmission driving a plurality of propellers or rotors	B64D35/04	B64D35/04		720
B64D35/06	9	the propellers or rotors being counter-rotating	B64D35/06	B64D35/06		388
B64D35/08	8	characterised by the transmission being driven by a plurality of power plants (for hybrid-electric power plants B64D35/022)<br><br><u>WARNING</u><br>Group B64D35/08 is impacted by reclassification into groups B64D35/023, B64D35/025, B64D35/024 and B64D35/022.<br>All groups listed in this Warning should be considered in order to perform a complete search.	B64D35/08	B64D35/08		438
B64D37/00	7	Arrangements in connection with fuel supply for power plant (refuelling during flight B64D39/00)	B64D37/00	B64D37/00		341
B64D37/005	8	{Accessories not provided for in the groups B64D37/02&#160;-&#160;B64D37/28}	B64D37/00	B64D37/00		895
B64D37/02	8	Tanks (tanks constructed integrally with aircraft wings B64C3/34)	B64D37/02	B64D37/02		548
B64D37/04	9	Arrangement thereof in or on aircraft	B64D37/04	B64D37/04		810
B64D37/06	9	Constructional adaptations thereof	B64D37/06	B64D37/06		1030
B64D37/08	10	Internal partitioning	B64D37/08	B64D37/08		222
B64D37/10	10	to facilitate fuel pressurisation	B64D37/10	B64D37/10		123
B64D37/12	10	jettisonable	B64D37/12	B64D37/12		213
B64D37/14	9	Filling or emptying (transferring fuels to adjust aircraft trim B64C17/10)	B64D37/14	B64D37/14		137
B64D37/16	10	Filling systems (ground installations for fuelling aircraft B64F1/28)	B64D37/16	B64D37/16		244
B64D37/18	11	Conditioning fuel during filling	B64D37/18	B64D37/18		26
B64D37/20	10	Emptying systems	B64D37/20	B64D37/20		235
B64D37/22	11	facilitating emptying in any position of tank	B64D37/22	B64D37/22		153
B64D37/24	11	using gas pressure	B64D37/24	B64D37/24		28
B64D37/26	11	Jettisoning of fuel	B64D37/26	B64D37/26		126
B64D37/28	11	Control thereof	B64D37/28	B64D37/28		49
B64D37/30	8	Fuel systems for specific fuels	B64D37/30	B64D37/30		651
B64D37/32	8	Safety measures not otherwise provided for, e.g. preventing explosive conditions	B64D37/32	B64D37/32		1383
B64D2037/325	9	{Fuel tanks with provisions for reduction hydraulic ram shocks due to projectile impacts}	B64D37/32	B64D37/32		56
B64D37/34	8	Conditioning fuel, e.g. heating (during filling B64D37/18)	B64D37/34	B64D37/34		533
B64D39/00	7	Refuelling during flight	B64D39/00	B64D39/00		650
B64D39/02	8	Means for paying-in or out hose	B64D39/02	B64D39/02		119
B64D39/04	8	Adaptations of hose construction	B64D39/04	B64D39/04		213
B64D39/06	8	Connecting hose to aircraft; Disconnecting hose therefrom	B64D39/06	B64D39/06		219
B64D41/00	7	Power installations for auxiliary purposes	B64D41/00	B64D41/00		1899
B64D2041/002	8	{Mounting arrangements for auxiliary power units (APU&apos;s)}	B64D41/00	B64D41/00		421
B64D2041/005	8	{Fuel cells}	B64D41/00	B64D41/00		601
B64D41/007	8	{Ram air turbines}	B64D41/00	B64D41/00		426
B64D43/00	7	Arrangements or adaptations of instruments	B64D43/00	B64D43/00		2748
B64D43/02	8	for indicating aircraft speed or stalling conditions	B64D43/02	B64D43/02		862
B64D45/00	7	Aircraft indicators or protectors not otherwise provided for	B64D45/00	B64D45/00		6062
B64D45/0005	8	{Devices specially adapted to indicate the position of a movable element of the aircraft, e.g. landing gear}	B64D45/00	B64D45/00		537
B64D2045/001	9	{for indicating symmetry of flaps deflection}	B64D45/00	B64D45/00		184
B64D45/0015	8	{Devices specially adapted for the protection against criminal attack, e.g. anti-hijacking systems}	B64D45/00	B64D45/00		171
B64D45/0018	9	{means on aircraft for restricting unauthorized access to the aircraft}	B64D45/00	B64D45/00		24
B64D45/0021	9	{means for restricting access to flight deck}	B64D45/00	B64D45/00		10
B64D45/0026	10	{by creating a secure space between the flight deck and cabin}	B64D45/00	B64D45/00		56
B64D45/0028	10	{doors or door arrangements specially adapted to restrict unauthorized access}	B64D45/00	B64D45/00		116
B64D45/0029	11	{electrically actuated}	B64D45/00	B64D45/00		38
B64D45/0031	9	{means for overriding or restricting access to flight controls}	B64D45/00	B64D45/00		181
B64D45/0034	10	{by ground-control override}	B64D45/00	B64D45/00		62
B64D45/0036	9	{by disabling or restraining attackers}	B64D45/00	B64D45/00		63
B64D45/0039	10	{by electrical shock}	B64D45/00	B64D45/00		15
B64D45/0042	10	{by spraying or injecting chemicals}	B64D45/00	B64D45/00		105
B64D45/0044	10	{by restraining within seats}	B64D45/00	B64D45/00		6
B64D45/0048	10	{by harnesses, nets, ropes, or the like (B64D45/0044 takes precedence)}	B64D45/00	B64D45/00		5
B64D45/0051	9	{by monitoring passengers or crew on aircraft}	B64D45/00	B64D45/00		47
B64D45/0053	10	{using visual equipment, e.g. cameras}	B64D45/00	B64D45/00		162
B64D45/0056	10	{detecting passenger or crew behavior by sensors, e.g. biometrics}	B64D45/00	B64D45/00		84
B64D45/0059	9	{by communicating emergency situations to ground control or between crew members}	B64D45/00	B64D45/00		188
B64D45/0061	9	{by protecting cabin or cargo hold from bombs}	B64D45/00	B64D45/00		16
B64D45/0063	9	{by avoiding the use of electronic equipment during flight, e.g. of mobile phones or laptops}	B64D45/00	B64D45/00		24
B64D2045/0065	8	{Black boxes, devices automatically broadcasting distress signals}	B64D45/00	B64D45/00		365
B64D2045/007	8	{Indicators or signs in the cabin, e.g. exit signs or seat numbering}	B64D45/00	B64D45/00		184
B64D2045/0075	8	{Adaptations for use of electronic flight bags in aircraft; Supports therefor in the cockpit}	B64D45/00	B64D45/00		212
B64D2045/008	8	{Devices for detecting or indicating hard landing}	B64D45/00	B64D45/00		173
B64D2045/0085	8	{Devices for aircraft health monitoring, e.g. monitoring flutter or vibration}	B64D45/00	B64D45/00		1838
B64D2045/009	8	{Fire detection or protection; Erosion protection, e.g. from airborne particles}	B64D45/00	B64D45/00		344
B64D2045/0095	8	{Devices specially adapted to avoid bird strike}	B64D45/00	B64D45/00		145
B64D45/02	8	Lightning protectors; Static dischargers	B64D45/02	B64D45/02		1045
B64D45/04	8	Landing aids; Safety measures to prevent collision with earth&apos;s surface	B64D45/04	B64D45/04		919
B64D45/06	9	mechanical	B64D45/06	B64D45/06		372
B64D45/08	9	optical	B64D45/08	B64D45/08		504
B64D47/00	7	Equipment not otherwise provided for	B64D47/00	B64D47/00		5776
B64D47/02	8	Arrangements or adaptations of signal or lighting devices	B64D47/02	B64D47/02		1913
B64D47/04	9	the lighting devices being primarily intended to illuminate the way ahead	B64D47/04	B64D47/04		541
B64D47/06	9	for indicating aircraft presence	B64D47/06	B64D47/06		683
B64D47/08	8	Arrangements of cameras	B64D47/08	B64D47/08		5192
B64D2201/00	7	Airbags mounted in aircraft for any use	CPCONLY	B64D2201/00		387
B64D2203/00	7	Aircraft or airfield lights using LEDs	CPCONLY	B64D2203/00		724
B64D2205/00	7	Aircraft with means for ground manoeuvring, such as taxiing, using an auxiliary thrust system, e.g. jet-engines, propellers or compressed air	CPCONLY	B64D2205/00		66
B64D2221/00	7	Electric power distribution systems onboard aircraft	CPCONLY	B64D2221/00		1705
B64D2231/00	7	Emergency oxygen systems	CPCONLY	B64D2231/00		41
B64D2231/02	8	Supply or distribution systems	CPCONLY	B64D2231/02		129
B64D2231/025	9	Oxygen masks; Mask storages; Features related to mask deployment	CPCONLY	B64D2231/025		267
B64D2241/00	7	NACA type air intakes	CPCONLY	B64D2241/00		71
