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
  
SHAPING
 B26
HAND CUTTING TOOLS; CUTTING; SEVERING
 B26B
HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR (for harvesting A01D; for horticulture, for forestry A01G; for butchering or meat treatment A22; for manufacturing or repairing footwear A43D; nail clippers or cutters A45D 29/00; kitchen equipment A47J; for surgical purposes A61B 17/00; for metal B23D; cutting by abrasive fluid jets B24C 5/00; plier-like tools with cutting edges B25B 7/00; pincers B25C 11/00; handles for hand implements, in general B25G; guillotine-type cutters B26D; for erasing B43L 19/00; for textile materials D06H)
 B26B
Subclass index
KNIVES
Structural features 1/00 - 7/00
Knife blades 9/00
Combinations with other articles 11/00
SHEARS, SCISSORS, NIPPERS, OR PINCERS WITH CUTTING ACTION 13/00, 15/00, 17/00
CLIPPERS OR RAZORS 19/00, 21/00
AXES OR HATCHETS 23/00
OTHER CUTTING TOOLS 25/00, 27/00
GUARDS, SHEATHS OR GUIDING ARRANGEMENTS 29/00
 B26B 1/00 - 
B26B 11/00
Hand knives
P:90 B26B 1/00
Hand knives with adjustable blade; Pocket knives (B26B 11/00 takes precedence)
P:100 B26B 3/00
Hand knives with fixed blades
P:80 B26B 5/00
Hand knives with one or more detachable blades (surgical scalpels or knives with detachable blades A61B 17/32)
P:70 B26B 7/00
Hand knives with reciprocating motor-driven blades
P:110 B26B 9/00
Blades for hand knives
P:60 B26B 11/00
Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement (combined table-ware A47G 21/00)
 B26B 13/00 - 
B26B 15/00
Hand shears; Scissors (for horticultural purposes A01G; bone shears A22C 17/00; metal shears B23D)
P:50 B26B 13/00
Hand shears; Scissors
P:40 B26B 15/00
Hand-held shears with motor-driven blades
   
P:30 B26B 17/00
Hand cutting tools with two jaws which come into abutting contact (nail clippers or cutters A45D 29/00; joints therefor B25B 7/00)
P:0 B26B 19/00
Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
 B26B 19/02
·  of the reciprocating-cutter type
 B26B 19/04
·  ·  Cutting heads therefor; Cutters therefor; Securing equipment thereof
 B26B 19/12
·  of the oscillating-cutter type; Cutting heads therefor; Cutters therefor (B26B 19/04 takes precedence)
 B26B 19/14
·  of the rotary-cutter type; Cutting heads therefor; Cutters therefor (B26B 19/04 takes precedence)
 B26B 19/38
·  Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards (cutters, cutting heads B26B 19/04, B26B 19/12, B26B 19/14; cleaning or disinfecting devices A45D 27/00; drying devices A45D 27/00; casings for electric apparatus in general H05K)
P:10 B26B 21/00
Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
 B26B 21/08
·  involving changeable blades
P:120 B26B 23/00
Axes; Hatchets
P:20 B26B 25/00
Hand cutting tools involving disc blades, e.g. motor-driven (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00)  [4]
P:130 B26B 27/00
Hand cutting tools not provided for in groups B26B 1/00-B26B 25/00, e.g. finger rings for cutting string, devices for cutting by means of wires
P:140 B26B 29/00
Guards or sheaths for hand cutting tools; Arrangements for guiding hand cutting tools (guards for hair clippers or dry shavers B26B 19/38)  [5]