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]

 B44D
PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES (surface treatment in general, see the relevant places, e.g. applying liquids or other fluent materials B05)  [2]
P:20 B44D 2/00
Special techniques in artistic painting or drawing, e.g. oil painting, water painting, pastel painting, relief painting  [2]
P:30 B44D 3/00
Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for (hand tools for applying liquids, e.g. paints, to surfaces B05C 17/00; implements for finishing work on buildings, other than painting, E04F 21/00); Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables (colorimetry G01J 3/00)  [2]
 B44D 3/02
·  Palettes
 B44D 3/04
·  Paint boxes
 B44D 3/06
·  Implements for stirring or mixing paints (mixing in general B01F)
 B44D 3/12
·  Paint cans; Brush holders; Containers for storing residual paint
 B44D 3/16
·  Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning (chemical paint-removers C09D 9/00)  [2]
 B44D 3/18
·  Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases  [2]
 B44D 3/22
·  Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
 B44D 3/24
·  Lamps for baking lacquers; Painters' belts; Apparatus for dissolving dried paints, for heating paints  [2]
 B44D 3/38
·  Cord line chalkers
P:0 B44D 5/00
Surface treatment to obtain special artistic surface effects or finishes (pretreatment or after-treatment of surface coated by applying liquids B05D 3/00; obtaining special surface effects by applying liquids or other fluent materials to surfaces B05D 5/00; surface shaping of plastics, e.g. embossing, B29C 59/00)  [2]
P:10 B44D 7/00
Preserving paintings, e.g. by varnishing