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
 B64B
LIGHTER-THAN-AIR AIRCRAFT (ground installations for aircraft in general B64F)
P:0 B64B 1/00
Lighter-than-air aircraft
 B64B 1/02
·  Non-rigid airships (B64B 1/58 takes precedence; balloons B64B 1/40)
 B64B 1/04
·  ·  the profile being maintained by ties or cords connecting opposite surfaces
 B64B 1/06
·  Rigid airships; Semi-rigid airships (B64B 1/58 takes precedence)
 B64B 1/08
·  ·  Framework construction
 B64B 1/10
·  ·  Tail unit construction (B64B 1/12 takes precedence)
 B64B 1/12
·  ·  Movable control surfaces
 B64B 1/14
·  ·  Outer covering
 B64B 1/16
·  ·  ·  rigid
 B64B 1/18
·  ·  ·  Attachment to structure
 B64B 1/20
·  ·  provided with wings or stabilising surfaces
 B64B 1/22
·  ·  Arrangement of cabins or gondolas
 B64B 1/24
·  ·  Arrangement of propulsion plant (B64B 1/34 takes precedence)
 B64B 1/26
·  ·  ·  housed in ducts
 B64B 1/28
·  ·  ·  housed in nacelles
 B64B 1/30
·  ·  ·  Arrangement of propellers
 B64B 1/32
·  ·  ·  ·  surrounding hull
 B64B 1/34
·  ·  ·  ·  of lifting propellers
 B64B 1/36
·  ·  Arrangement of jet reaction apparatus for propulsion or directional control
 B64B 1/38
·  ·  Controlling position of centre of gravity
 B64B 1/40
·  Balloons (B64B 1/58 takes precedence; toy balloons A63H 27/10)
 B64B 1/42
·  ·  Construction or attachment of stabilising surfaces
 B64B 1/44
·  ·  adapted to maintain predetermined altitude
 B64B 1/46
·  ·  associated with apparatus to cause bursting
 B64B 1/48
·  ·  ·  to enable load to be dropped by parachute
 B64B 1/50
·  ·  Captive balloons
 B64B 1/52
·  ·  ·  attaching trailing entanglements
 B64B 1/54
·  ·  ·  connecting two or more balloons in superimposed relationship
 B64B 1/56
·  ·  ·  stabilised by rotary motion
 B64B 1/58
·  Arrangements or construction of gas-bags; Filling arrangements (connection of valves to inflatable elastic bodies B60C 29/00)
 B64B 1/60
·  ·  Gas-bags surrounded by separate containers of inert gas
 B64B 1/62
·  ·  Controlling gas pressure, heating, cooling, or discharging gas
 B64B 1/64
·  ·  Gas-valve operating mechanisms
 B64B 1/66
·  Mooring attachments (mooring masts B64F 1/14)
 B64B 1/68
·  Water flotation gear
 B64B 1/70
·  Ballasting arrangements