IPC 7 English version B64D-B64D 21/00

Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight (with respect to weapon sights, F41G takes precedence; parachutes 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)

Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D 37/12)

the articles being explosive, e.g. bombs (arming or setting bomb fuzes F42C)

Bomb releasing; Bomb doors

the articles being load-carrying devices

Stowage arrangements for the devices in aircraft

Releasing

Absorbing landing shocks

Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D 37/26) [5]

by spraying, e.g. insecticides (spraying apparatus in general B05B)

for sky-writing

Taking-up articles from earth's surface

Aircraft adaptations to facilitate towing or being towed (B64D 39/00 takes precedence; ground installations for launching or towing aircraft B64F; towing ropes per se D07B)

for towing targets (towed targets per se F41J)

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

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 B64D 1/00; armaments or mountings therefor per se F41)

the armaments being firearms

fixedly mounted

movably mounted

Arrangement of rocket launchers (rocket launchers per se, e.g. rocket pods, F41F 3/06)

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)

10/

Flying suits (helmets in general A42B 3/00; breathing helmets A62B 18/00) [3]

11/

Passenger or crew accommodation; Flight-deck installations not otherwise provided for

11/

Toilet fittings (of general application A47K)

11/

Galleys

11/

Arrangements or adaptations of seats (seat constructions for emergency purposes B64D 25/04)

13/

Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space (treatment rooms with artificial climate for medical purposes A61G 10/02; respiratory apparatus in general A62B; for vehicles in general B60H)

13/

the air being pressurised

13/

Automatic control of pressure

13/

the air being conditioned (pressurising B64D 13/02)

13/

the air being heated or cooled

15/

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

15/

by ducted hot gas or liquid

15/

Hot gas application

15/

Liquid application (in general B05)

15/

exuded from surface

15/

sprayed over surface

15/

by electric heating (H05B 3/84 takes precedence; electric heating elements in general H05B) [5]

15/

controlled cyclically along length of surface

15/

by mechanical means, e.g. pulsating mats or shoes attached to, or built into, surface

15/

the surface being an aerofoil, rotor, or propeller

15/

Means for detecting icing or initiating de-icing

15/

Automatic initiation by icing detector

17/

Parachutes (non-canopied parachutes B64D 19/00)

17/

Canopy arrangement or construction

17/

formed with two or more canopies arranged about a common axis

17/

formed with two or more canopies arranged in a cluster

17/

Secondary or shock-absorbing canopies attached to load line

17/

Ribbon construction or the like

17/

constructed to provide variable or non-uniform porosity over area of canopy

17/

with skirt or air-deflecting panels

17/

secured to hem of main canopy

17/

Vent arrangement or construction

17/

variable in area

17/

Load suspension

17/

Rigging lines

17/

attached to hem of canopy

17/

attached to apex of canopy

17/

Harnesses [4]

17/

Construction of quick-release box

17/

adapted to control direction or rate of descent

17/

incorporating friction devices or frangible connections to reduce shock loading of canopy

17/

Releasable fastening devices between parachute and load or pack

17/

Packs

17/

rigid

17/

forming part of load

17/

Closing means

17/

with separate pack for extractor of auxiliary parachute

17/

formed with separate compartments for main canopy, rigging lines, or auxiliary parachute

17/

Opening, e.g. manual

17/

automatic

17/

responsive to barometric pressure

17/

responsive to time-delay mechanism

17/

by static line

17/

Deployment

17/

by extractor parachute

17/

attached to hem of main canopy

17/

attached to apex of main canopy

17/

by springs

17/

by explosive or inflatable means (connection of valves to inflatable elastic bodies B60C 29/00)

17/

Sequential deployment of a plurality of canopies

17/

facilitated by method of folding or packing

17/

in association with other load-retarding apparatus

17/

in association with aircraft, e.g. for braking thereof

19/

Non-canopied parachutes

19/

Rotary-wing parachutes

21/

Testing of parachutes

B64D 23/00 - B64D 47/08