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
 B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H04N)  [4]
 B41B
MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRONIC COMPOSING DEVICES (photographic devices in general G03)
 B41B
Subclass index
HAND COMPOSING 1/00
MECHANICAL COMPOSING
Using prefabricated type; making type 3/00; 5/00
By casting the type 7/00, 9/00, 11/00
PHOTOGRAPHIC COMPOSING
Machines composing lines prior to photography 15/00
Machines without means for composing lines prior to photography 17/00
Electronic machines 19/00
Equipment for special work 13/00
Details of machines; auxiliaries 21/00; 23/00
PREPARATION OF RECORD CARRIERS 25/00
CONTROL, INDICATING, SAFETY 27/00
P:130 B41B 1/00
Elements or appliances for hand composition; Chases, quoins, or galleys
 B41B 3/00 - 
B41B 11/00
Machines or other mechanical apparatus for composing
P:90 B41B 3/00
Apparatus for mechanical composition using prefabricated type, i.e. without casting equipment
P:80 B41B 5/00
Devices for making type or lines (for mechanical composition B41B 7/00, B41B 9/00, B41B 11/00)
P:100 B41B 7/00
Kinds or types of apparatus for mechanical composition in which the type is cast or moulded from matrices
P:110 B41B 9/00
Details of, or accessories for, machines for mechanical composition using fixed combinations of matrices from which type is cast or moulded
P:120 B41B 11/00
Details of, or accessories for, machines for mechanical composition using matrices for individual characters which are selected and assembled for type casting or moulding (melting pots for casting stereotype plates B41D 3/00)
 B41B 13/00 - 
B41B 23/00
Photographic or photoelectronic composing devices
P:20 B41B 13/00
Equipment specially adapted for photographing mounted characters or the like, e.g. advertisements, lines
P:30 B41B 15/00
Photographic composing machines with movable character carriers for composing lines of characters prior to photography
P:40 B41B 17/00
Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography
P:50 B41B 19/00
Photoelectronic composing machines  [3]
P:60 B41B 21/00
Common details of photographic composing machines of the kinds covered in groups B41B 17/00 and B41B 19/00 (film-handling means in line-composing photographic devices B41B 15/00; means for moving the optical path B41B 17/00)
P:70 B41B 23/00
Auxiliary devices for modifying, mixing, or correcting text or layout in connection with photographic or photoelectronic composing
 B41B 25/00 - 
B41B 27/00
Marking record carriers used for controlling composing machines; Control, indicating, or safety devices or systems for composing machines of various kinds or types
P:10 B41B 25/00
Apparatus specially adapted for preparation of record carriers for controlling composing machines (for casting individual characters or spaces, e.g. in "monotype" machines, B41B 7/00; methods for marking or reproducing record carriers having digital data thereon in general G06K 1/00)
P:0 B41B 27/00
Control, indicating, or safety devices or systems for composing machines of various kinds or types (in devices for supplying molten metal B41B 11/00; for light sources B41B 21/00; devices, non-fluid media or methods for cancelling or correcting errors in typewriters or selective printing mechanisms B41J 29/26; computers in general G06F)