B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
TRANSPORTING
 B64
AIRCRAFT; AVIATION; COSMONAUTICS
 B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS
 B64D
Subclass index
FLIGHT ARRANGEMENTS ON AIRCRAFT
Of power plant and auxiliaries 27/00, 29/00, 33/00, 41/00
Of power-plant controls and transmissions 31/00, 35/00
For fuel supply 37/00, 39/00
Of flying instruments 43/00
USE OF AIRCRAFT
For military purposes 1/00, 7/00
For persons or freight 9/00 - 13/00
SAFETY OR EMERGENCY ARRANGEMENTS OR EQUIPMENTS
For the aircraft
against icing; against lightning 15/00; 45/02
for landing 17/80, 45/00
For jettisoning or other means concerning fuel 37/26, 37/32
For persons or material
by holding or ejecting means 25/00
by parachutes; parachuting 17/00 - 21/00; 23/00
Other safety, emergency, or protection means 10/00, 25/00, 45/00
EQUIPMENT FOR OPERATIONS PERFORMED DURING FLIGHT
Releasing or receiving articles, fluent materials, or another aircraft 1/00, 5/00
Towing, fuel replenishing 3/00, 39/00
OTHER ARRANGEMENTS OR EQUIPMENT 47/00
P:160 B64D 1/00
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)
 B64D 1/02
·  Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D 37/12)
 B64D 1/04
·  ·  the articles being explosive, e.g. bombs (arming or setting bomb fuzes F42C)
 B64D 1/06
·  ·  ·  Bomb releasing; Bomb doors
 B64D 1/08
·  ·  the articles being load-carrying devices
 B64D 1/10
·  ·  ·  Stowage arrangements for the devices in aircraft
 B64D 1/12
·  ·  ·  Releasing
 B64D 1/14
·  ·  ·  Absorbing landing shocks
 B64D 1/16
·  Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting (jettisoning fuel B64D 37/26)  [5]
 B64D 1/18
·  ·  by spraying, e.g. insecticides (spraying apparatus in general B05B)
 B64D 1/20
·  ·  for sky-writing
 B64D 1/22
·  Taking-up articles from earth's surface
P:130 B64D 3/00
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)
 B64D 3/02
·  for towing targets (towed targets per se F41J)
P:140 B64D 5/00
Aircraft transported by aircraft, e.g. for release or reberthing during flight (flying units formed by separate aircraft B64C 37/02)
P:170 B64D 7/00
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)
 B64D 7/02
·  the armaments being firearms
 B64D 7/04
·  ·  fixedly mounted
 B64D 7/06
·  ·  movably mounted
 B64D 7/08
·  Arrangement of rocket launchers (rocket launchers per se, e.g. rocket pods, F41F 3/06)
P:220 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)
P:0 B64D 10/00
Flying suits (helmets in general A42B 3/00; breathing helmets A62B 18/00)  [3]
P:230 B64D 11/00
Passenger or crew accommodation; Flight-deck installations not otherwise provided for
 B64D 11/02
·  Toilet fittings (of general application A47K)
 B64D 11/04
·  Galleys
 B64D 11/06
·  Arrangements or adaptations of seats (seat constructions for emergency purposes B64D 25/04)
P:180 B64D 13/00
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)
 B64D 13/02
·  the air being pressurised
 B64D 13/04
·  ·  Automatic control of pressure
 B64D 13/06
·  the air being conditioned (pressurising B64D 13/02)
 B64D 13/08
·  ·  the air being heated or cooled
P:150 B64D 15/00
De-icing or preventing icing on exterior surfaces of aircraft (motor vehicles specially adapted for carrying de-icing equipment B60P)
 B64D 15/02
·  by ducted hot gas or liquid
 B64D 15/04
·  ·  Hot gas application
 B64D 15/06
·  ·  Liquid application (in general B05)
 B64D 15/08
·  ·  ·  exuded from surface
 B64D 15/10
·  ·  ·  sprayed over surface
 B64D 15/12
·  by electric heating (H05B 3/84 takes precedence; electric heating elements in general H05B)  [5]
 B64D 15/14
·  ·  controlled cyclically along length of surface
 B64D 15/16
·  by mechanical means, e.g. pulsating mats or shoes attached to, or built into, surface
 B64D 15/18
·  ·  the surface being an aerofoil, rotor, or propeller
 B64D 15/20
·  Means for detecting icing or initiating de-icing
 B64D 15/22
·  ·  Automatic initiation by icing detector
P:40 B64D 17/00
Parachutes (non-canopied parachutes B64D 19/00)
 B64D 17/02
·  Canopy arrangement or construction
 B64D 17/04
·  ·  formed with two or more canopies arranged about a common axis
 B64D 17/06
·  ·  formed with two or more canopies arranged in a cluster
 B64D 17/08
·  ·  Secondary or shock-absorbing canopies attached to load line
 B64D 17/10
·  ·  Ribbon construction or the like
 B64D 17/12
·  ·  constructed to provide variable or non-uniform porosity over area of canopy
 B64D 17/14
·  ·  with skirt or air-deflecting panels
 B64D 17/16
·  ·  ·  secured to hem of main canopy
 B64D 17/18
·  ·  Vent arrangement or construction
 B64D 17/20
·  ·  ·  variable in area
 B64D 17/22
·  Load suspension
 B64D 17/24
·  ·  Rigging lines
 B64D 17/26
·  ·  ·  attached to hem of canopy
 B64D 17/28
·  ·  ·  attached to apex of canopy
 B64D 17/30
·  ·  Harnesses  [4]
 B64D 17/32
·  ·  ·  Construction of quick-release box
 B64D 17/34
·  ·  adapted to control direction or rate of descent
 B64D 17/36
·  ·  incorporating friction devices or frangible connections to reduce shock loading of canopy
 B64D 17/38
·  ·  Releasable fastening devices between parachute and load or pack
 B64D 17/40
·  Packs
 B64D 17/42
·  ·  rigid
 B64D 17/44
·  ·  ·  forming part of load
 B64D 17/46
·  ·  Closing means
 B64D 17/48
·  ·  with separate pack for extractor of auxiliary parachute
 B64D 17/50
·  ·  formed with separate compartments for main canopy, rigging lines, or auxiliary parachute
 B64D 17/52
·  ·  Opening, e.g. manual
 B64D 17/54
·  ·  ·  automatic
 B64D 17/56
·  ·  ·  ·  responsive to barometric pressure
 B64D 17/58
·  ·  ·  ·  responsive to time-delay mechanism
 B64D 17/60
·  ·  ·  ·  by static line
 B64D 17/62
·  Deployment
 B64D 17/64
·  ·  by extractor parachute
 B64D 17/66
·  ·  ·  attached to hem of main canopy
 B64D 17/68
·  ·  ·  attached to apex of main canopy
 B64D 17/70
·  ·  by springs
 B64D 17/72
·  ·  by explosive or inflatable means (connection of valves to inflatable elastic bodies B60C 29/00)
 B64D 17/74
·  ·  Sequential deployment of a plurality of canopies
 B64D 17/76
·  ·  facilitated by method of folding or packing
 B64D 17/78
·  in association with other load-retarding apparatus
 B64D 17/80
·  in association with aircraft, e.g. for braking thereof
P:30 B64D 19/00
Non-canopied parachutes
 B64D 19/02
·  Rotary-wing parachutes
P:20 B64D 21/00
Testing of parachutes
P:10 B64D 23/00
Training of parachutists
P:210 B64D 25/00
Emergency apparatus or devices, not otherwise provided for (parachutes B64D 17/00, B64D 19/00; jettisoning of fuel tanks or fuel B64D 37/00; safety belts or body harnesses in general A62B 35/00; safety belts or body harnesses for land vehicles B60R 22/00; severable or jettisonable parts of fuselage facilitating emergency escape B64C)  [4]
 B64D 25/02
·  Supports or holding means for living bodies (for ejector seats B64D 25/115)  [5]
 B64D 25/04
·  ·  Seat modifications
 B64D 25/06
·  ·  Harnessing  [4]
 B64D 25/08
·  Ejecting or escaping means (escape apertures B64C)
 B64D 25/10
·  ·  Ejector seats
 B64D 25/102
·  ·  ·  Propelling means, e.g. by a combination of catapult and rocket means (B64D 25/11, B64D 25/112 take precedence)  [5]
 B64D 25/105
·  ·  ·  ·  by catapult means only  [5]
 B64D 25/108
·  ·  ·  ·  by rocket means only  [5]
 B64D 25/11
·  ·  ·  Controlling attitude or direction of ejector seat or associated mechanism prior to ejection  [5]
 B64D 25/112
·  ·  ·  Controlling attitude or direction of ejector seat after ejection  [5]
 B64D 25/115
·  ·  ·  Occupant restraining, positioning or protecting devices  [5]
 B64D 25/118
·  ·  ·  Separation of occupant from seat after ejection  [5]
 B64D 25/12
·  ·  Ejectable capsules
 B64D 25/14
·  ·  Inflatable escape chutes (connection of valves to inflatable elastic bodies B60C 29/00)
 B64D 25/16
·  ·  Dinghy stowage
 B64D 25/18
·  ·  Flotation gear (aircraft alighting gear B64C)
 B64D 25/20
·  ·  Releasing of crash-position indicators
P:70 B64D 27/00
Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby (attitude, flight- direction, or altitude control of aircraft by jet reaction B64C)
 B64D 27/02
·  Aircraft characterised by the type or position of power plant (fuselages or wings adapted for mounting power plant B64C)
 B64D 27/04
·  ·  of piston type
 B64D 27/06
·  ·  ·  within, or attached to, wing
 B64D 27/08
·  ·  ·  within, or attached to, fuselage
 B64D 27/10
·  ·  of gas-turbine type (B64D 27/16 takes precedence)
 B64D 27/12
·  ·  ·  within, or attached to, wing
 B64D 27/14
·  ·  ·  within, or attached to, fuselage
 B64D 27/16
·  ·  of jet type
 B64D 27/18
·  ·  ·  within, or attached to, wing
 B64D 27/20
·  ·  ·  within, or attached to, fuselage
 B64D 27/22
·  ·  using atomic energy
 B64D 27/24
·  ·  using steam, electricity, or spring force (B64D 27/16 takes precedence)
 B64D 27/26
·  Aircraft characterised by construction of power-plant mounting
P:110 B64D 29/00
Power-plant nacelles, fairings, or cowlings (nacelles not otherwise provided for B64C)
 B64D 29/02
·  associated with wings (wings adapted for mounting power plant B64C)
 B64D 29/04
·  associated with fuselages
 B64D 29/06
·  Attaching of nacelles, fairings, or cowlings
 B64D 29/08
·  Inspection panels for power plants
P:60 B64D 31/00
Power plant control; Arrangement thereof (flying controls, conjoint control of power plant and propeller B64C)
 B64D 31/02
·  Initiating means
 B64D 31/04
·  ·  actuated personally
 B64D 31/06
·  ·  actuated automatically
 B64D 31/08
·  ·  ·  for keeping cruising speed constant
 B64D 31/10
·  ·  ·  for preventing asymmetric thrust upon failure of one power plant
 B64D 31/12
·  ·  ·  for equalising or synchronising power plants
 B64D 31/14
·  Transmitting means between initiating means and power plants
P:120 B64D 33/00
Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
 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)
 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)  [3]
 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)
 B64D 33/10
·  ·  Radiator arrangement
 B64D 33/12
·  ·  ·  of retractable type
P:80 B64D 35/00
Transmitting power from power plant to propellers or rotors; Arrangements of transmissions (propellers or rotors per se, helicopter transmissions B64C)
 B64D 35/02
·  characterised by the type of power plant
 B64D 35/04
·  characterised by the transmission driving a plurality of propellers or rotors
 B64D 35/06
·  ·  the propellers or rotors being counter-rotating
 B64D 35/08
·  characterised by the transmission being driven by a plurality of power plants
P:90 B64D 37/00
Arrangements in connection with fuel supply for power plant (refuelling during flight B64D 39/00)
 B64D 37/02
·  Tanks (tanks constructed integrally with aircraft wings B64C; tanks in general B65D)
 B64D 37/04
·  ·  Arrangement thereof in or on aircraft
 B64D 37/06
·  ·  Constructional adaptations thereof
 B64D 37/08
·  ·  ·  Internal partitioning
 B64D 37/10
·  ·  ·  to facilitate fuel pressurisation
 B64D 37/12
·  ·  ·  jettisonable
 B64D 37/14
·  ·  Filling or emptying (transferring fuels to adjust aircraft trim B64C)
 B64D 37/16
·  ·  ·  Filling systems (ground installations for fuelling aircraft B64F)
 B64D 37/18
·  ·  ·  ·  Conditioning fuel during filling
 B64D 37/20
·  ·  ·  Emptying systems
 B64D 37/22
·  ·  ·  ·  facilitating emptying in any position of tank
 B64D 37/24
·  ·  ·  ·  using gas pressure
 B64D 37/26
·  ·  ·  ·  Jettisoning of fuel
 B64D 37/28
·  ·  ·  ·  Control thereof
 B64D 37/30
·  Fuel systems for specific fuels
 B64D 37/32
·  Safety measures not otherwise provided for, e.g. preventing explosive conditions (extinguishing or preventing fires in aircraft A62C)
 B64D 37/34
·  Conditioning fuel, e.g. heating (during filling B64D 37/18)
P:50 B64D 39/00
Refuelling during flight (filling or emptying fuel tanks B64D 37/14)
 B64D 39/02
·  Means for paying-in or out hose
 B64D 39/04
·  Adaptations of hose construction (pipes in general F16L)
 B64D 39/06
·  Connecting hose to aircraft; Disconnecting hose therefrom
P:100 B64D 41/00
Power installations for auxiliary purposes
P:190 B64D 43/00
Arrangements or adaptations of instruments (arrangements of cameras B64D 47/08; aeronautical measuring instruments per se G01C)
 B64D 43/02
·  for indicating aircraft speed or stalling conditions
P:200 B64D 45/00
Aircraft indicators or protectors not otherwise provided for (camouflage F41H 3/00)
 B64D 45/02
·  Lightning protectors (lightning arrestors H01C 7/12, H01C 8/04, H01G 9/18, H01T; circuit arrangements therefor H02H); Static dischargers (in general H05F 3/00)
 B64D 45/04
·  Landing aids; Safety measures to prevent collision with earth's surface
 B64D 45/06
·  ·  mechanical
 B64D 45/08
·  ·  optical
P:240 B64D 47/00
Equipment not otherwise provided for
 B64D 47/02
·  Arrangements or adaptations of signal or lighting devices
 B64D 47/04
·  ·  the lighting devices being primarily intended to illuminate the way ahead
 B64D 47/06
·  ·  for indicating aircraft presence
 B64D 47/08
·  Arrangements of cameras