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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
B01
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SEPARATINGMIXING
B01
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL (furnaces, kilns, ovens, retorts, in general F27)
B02
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CRUSHING, PULVERISING, OR DISINTEGRATINGPREPARATORY TREATMENT OF GRAIN FOR MILLING
B03
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SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGSMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (separating isotopes B01D 59/00; crushing or disintegrating B02C; centrifuges or vortex apparatus for carrying out physical processes B04) [5]
B04
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CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B05
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SPRAYING OR ATOMISING IN GENERALAPPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL (domestic cleaning A47L; cleaning in general by methods essentially involving the use or presence of liquid B08B 3/00; sand-blasting B24C; coating of articles during shaping of substances in a plastic state B29C 39/10, B29C 39/18, B29C 41/20, B29C 41/30, B29C 43/18, B29C 43/28, B29C 45/14, B29C 47/02; for further classification of forming layered products, seeB32B; printing, copying B41; conveying articles or workpieces through baths of liquid B65G, e.g. B65G 49/02; handling webs or filaments in general B65H; surface treatment of glass by coating C03C 17/00, C03C 25/10; coating or impregnation of mortars, concrete, stone or ceramics C04B 41/45, C04B 41/61, C04B 41/81; paints, varnishes, lacquers C09D; enamelling of metals, applying a vitreous layer to metals, chemical cleaning or de-greasing of metallic objects C23; electroplating C25D; treating of textile materials by liquids, gases or vapours D06B; laundering D06F; treating roads E01C; apparatus or processes for the preparation or treatment of photosensitive materials G03; apparatus or processes, restricted to a purpose fully provided for in a single other class, see the relevant class covering the purpose) [2]
B06
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GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B07
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SEPARATING SOLIDS FROM SOLIDSSORTING (separation in general B01D; wet separating processes, sorting by processes using fluent material in the same way as liquid B03; using liquids B03B, B03D; sorting by magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high voltage electric fields B03C; centrifuges or vortex apparatus for carrying out physical processes B04; sorting peculiar to particular materials or articles and provided for in other classes, see the relevant classes)
B08
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CLEANING
B09
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DISPOSAL OF SOLID WASTERECLAMATION OF CONTAMINATED SOIL (treatment of waste water, sewage or sludge C02F; treating radioactively contaminated solids G21F 9/28) [3, 6]
B21
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SHAPING
B21
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIALPUNCHING METAL (casting, powder metallurgy B22; shearing B23D; working of metal by the action of a high concentration of electric current B23H; soldering, welding, flame-cutting B23K; other working of metal B23P; punching sheet material in general B26F; processes for changing of physical properties of metals C21D, C22F; electroforming C25D 1/00)
B22
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CASTINGPOWDER METALLURGY
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B21D; wire-working B21F; making pins, needles, or nails B21G; making chains B21L; grinding B24)
B24
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GRINDINGPOLISHING
B25
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HAND TOOLSPORTABLE POWER-DRIVEN TOOLSHANDLES FOR HAND IMPLEMENTSWORKSHOP EQUIPMENTMANIPULATORS
B26
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HAND CUTTING TOOLSCUTTINGSEVERING
B27
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WORKING OR PRESERVING WOOD OR SIMILAR MATERIALNAILING OR STAPLING MACHINES IN GENERAL
B28
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WORKING CEMENT, CLAY, OR STONE
B29
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WORKING OF PLASTICSWORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL (processing doughs A21C; working chocolate A23G; casting of metals B22; working cement, clay B28; chemical aspects, see section C, particularly C08; working glass C03B; candle making C11C 5/02; making soap C11D 13/00; manufacture of artificial filaments, threads, fibres, bristles or ribbons D01D, D01F; manufacture of articles from cellulosic fibrous suspensions or from papier-mâche D21J)
B30
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PRESSES
B31
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MAKING PAPER ARTICLESWORKING PAPER (making layered products not composed wholly of paper or cardboard B32B; handling thin material, e.g. sheets, webs, B65H)
B32
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LAYERED PRODUCTS
B41
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PRINTING
B41
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PRINTINGLINING MACHINESTYPEWRITERSSTAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H04N) [4]
B42
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BOOKBINDINGALBUMSFILESSPECIAL PRINTED MATTER
B43
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WRITING OR DRAWING IMPLEMENTSBUREAU ACCESSORIES
B43K
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IMPLEMENTS FOR WRITING OR DRAWING (containers, casings or accessories for cosmetic substances, e.g. shaving soap, lipstick, make-up, A45D 34/00, A45D 40/00)
B43K 1/00
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Nibs (continuously-adjustable nibs B43K 17/00)Writing- points (for indicating or recording apparatus G01D 15/16) [2]
B43K 3/00
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Nib holders (holders for continuously-adjustable nibs B43K 17/00)
B43K 5/00
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Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K 1/01; ball-point pens B43K 7/00; pens with writing-points other than nibs or balls B43K 8/00; multiple-point writing implements B43K 27/00)
B43K 7/00
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Ball-point pens (multiple-point writing implements B43K 27/00)
B43K 7/01
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for low viscosity liquid ink [6]
B43K 7/02
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Ink reservoirsInk cartridges (B43K 7/01 takes precedence) [6]
B43K 7/03
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. . pressurised, e.g. by gas [5]
B43K 7/035
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. . . the gas acting on a piston [6]
B43K 7/04
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. . Arrangements for refilling the reservoirs, e.g. arrangements at the ball-point ends
B43K 7/06
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. . Reservoirs with ink-level inspection means
B43K 7/08
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. . Preventing leakage
B43K 7/10
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Arrangements for feeding the ink to the ball points (B43K 7/01 takes precedence) [6]
B43K 7/12
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with retractable ball points (mechanisms for retracting or locking ball points B43K 24/00)
B43K 8/00
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Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B 11/00)
B43K 11/00
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Filling devices (ink receptacles B43L 25/00)
B43K 13/00
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Devices for removing nibsDevices for cleaning nibs, e.g. by wiping (ink receptacles with pen-wiping means B43L 25/12) [3]
B43K 15/00
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Assembling, finishing, or repairing pens
B43K 17/00
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Continuously-adjustable nibs, e.g. for drawing-pensHolders therefor (features common to fountain-pens B43K 5/00)
B43K 19/00
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Non-propelling pencilsStylesCrayonsChalks (batik pencils, cord line chalkers B44D 3/00; writing-core compositions for pencils, crayon compositions, chalk compositions C09D 13/00) [2]
B43K 21/00
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Propelling pencils (projecting mechanisms for writing units B43K 24/00; multiple-point writing implements B43K 27/00)
B43K 23/00
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Holders or connectors for writing implementsMeans for protecting the writing-points
B43K 24/00
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Mechanisms for selecting, projecting, retracting or locking writing units [6]
B43K 25/00
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Attaching writing implements to wearing apparel or objects involving constructional changes of the of the implements (protecting means, e.g. caps, B43K 23/08; garment-holding devices A44B 21/00; fastening articles to wearing apparel A45F 5/02)
B43K 27/00
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Multiple-point writing implements, e.g. multicolourCombinations of writing implements (B43K 29/00 takes precedence; mechanisms for selecting, projecting, retracting or locking writing units B43K 24/00; multiple writing devices with pantographic linkages B43L 13/12)
B43K 29/00
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Combinations of writing implements with other articles
B43K 31/00
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Writing implement receptacles functioning as, or combined with, writing implements (other writing implement receptacles A45C 11/34, A45C 11/36)
B43L
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ARTICLES FOR WRITING OR DRAWING UPONACCESSORIES FOR WRITING OR DRAWING (workshop equipment for marking-out work B25H 7/00; teaching hand-writing or drawing G09B 11/00)
B43M
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BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR (stapling devices B25C, B27F; devices for temporarily attaching sheets together B42F; adhesive tape dispensers B65H 35/07)
B44
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DECORATIVE ARTS
B60
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TRANSPORTING
B60
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VEHICLES IN GENERAL
B61
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RAILWAYS
B62
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B63
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SHIPS OR OTHER WATERBORNE VESSELSRELATED EQUIPMENT
B64
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AIRCRAFTAVIATIONCOSMONAUTICS
B65
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CONVEYINGPACKINGSTORINGHANDLING THIN OR FILAMENTARY MATERIAL
B66
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HOISTINGLIFTINGHAULING
B67
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OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERSLIQUID HANDLING (nozzles in general B05B; packaging liquids B65B, e.g. B65B 3/00; pumps in general F04; siphons F04F 10/00; valves F16K; handling liquefied gases F17C)
B68
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SADDLERYUPHOLSTERY
B81
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MICRO-STRUCTURAL TECHNOLOGYNANO-TECHNOLOGY
B81
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MICRO-STRUCTURAL TECHNOLOGY [7]
B82
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NANO-TECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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