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
  
PRINTING
 B44
DECORATIVE ARTS
 B44

Note(s)

Any machine, apparatus, tool or process is classified in this class in so far as it produces an effect or mark meant to be judged by the eye and in so far as such machine, apparatus, tool or process is not provided for elsewhere.  [4]

 B44F
SPECIAL DESIGNS OR PICTURES
P:0 B44F 1/00
Designs or pictures characterised by special or unusual light effects
 B44F 1/02
·  produced by reflected light, e.g. matt surfaces, lustrous surfaces
 B44F 1/04
·  ·  after passage through surface layers, e.g. pictures with mirrors on the back
 B44F 1/06
·  produced by transmitted light, e.g. transparencies, imitations of glass-paintings
 B44F 1/08
·  characterised by colour effects
 B44F 1/10
·  ·  Changing, amusing, or secret pictures
 B44F 1/12
·  ·  Securities or banknotes as far as the design or protection against forgery is of importance
 B44F 1/14
·  ·  Iridescent effects
P:50 B44F 3/00
Designs characterised by outlines
P:40 B44F 5/00
Designs characterised by irregular areas, e.g. mottled patterns (imitating natural patterns or artistic work B44F 9/00, B44F 11/00)
P:10 B44F 7/00
Designs imitating three-dimensional effects
P:30 B44F 9/00
Designs imitating natural patterns
 B44F 9/02
·  wood grain effects
 B44F 9/04
·  of stone surfaces, e.g. marble
 B44F 9/06
·  of horn, ivory, or meerschaum surfaces
 B44F 9/08
·  of crystalline structures, pearl effects, or mother-of-pearl effects
 B44F 9/10
·  of metallic or oxidised metallic surfaces
 B44F 9/12
·  of leather
P:20 B44F 11/00
Designs imitating artistic work
 B44F 11/02
·  Imitation of pictures, e.g. oil paintings
 B44F 11/04
·  Imitation of mosaic or tarsia-work patterns
 B44F 11/06
·  Imitation of ceramic patterns