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 INTERNATIONAL PATENT CLASSIFICATION
SECTION
A - HUMAN NECESSITIES
| Subsection: AGRICOLTURE |
| A 01 |
Agriculture; forestry; animal husbandry; hunting;
trapping; fishing. |
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| Subsection: FOODSTUFFS;
TOBACCO |
| A 21 |
Baking; edible doughs; |
| A 22 |
Butchering; meat treatment; processing poultry or fish; |
| A 23 |
Foods or foodstuffs; their treatment, not covered by other
classes; |
| A 24 |
Tobacco; cigars; cigarettes; smokers' requisites. |
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| Subsection: PERSONAL
OR DOMESTIC ARTICLES |
| A 41 |
Wearing apparel; |
| A 42 |
Headwear; |
| A 43 |
Footwear; |
| A 44 |
Haberdashery; jewellery; |
| A 45 |
Hand or travelling articles; |
| A 46 |
Brushware; |
| A 47 |
Furniture; domestic articles or appliances; coffee mills;
spice mills; suction cleaners in general. |
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| Subsection: HEALTH;
AMUSEMENT |
| A 61 |
Medical or veterinary science; hygiene; |
| A 62 |
Life-saving; fire-fighting; |
| A 63 |
Sports; games; amusements. |
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SECTION B - PERFORMING
OPERATIONS; TRANSPORTING
| Subsection: SEPARATING;
MIXING |
| B 01 |
Physical or chemical processes or apparatus in
general; |
| B 02 |
Crushing, pulverising, or disintegrating; preparatory treatment
of grain for milling; |
| B 03 |
Separation of solid materials using liquids or using pneumatic
tables or jigs; magnetic or electrostatic separation of solid
materials from solid materials or fluids; separation by high-voltage
electric fields; |
| B 04 |
Centrifugal apparatus or machines for carrying-out physical
or chemical processes; |
| B 05 |
Spraying or atomising in general; applying liquids or other
fluent materials to surfaces, in general; |
| B 06 |
Generating or transmitting mechanical vibrations in general; |
| B 07 |
Separating solids from solids; sorting; |
| B 08 |
Cleaning; |
| B 09 |
Disposal of solid waste; reclamation of contaminated soil. |
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| Subsection: SHAPING |
| B 21 |
Mechanical metal-working without essentially removing material;
punching metal; |
| B 22 |
Casting; powder metallurgy; |
| B 23 |
Machine tools; metal-working not otherwise provided for; |
| B 24 |
Grinding; polishing; |
| B 25 |
Hand tools; portable power-driven tools; handles for hand
implements; workshop equipment; manipulators; |
| B 26 |
Hand cutting tools; cutting; severing; |
| B 27 |
Working or preserving wood or similar material; nailing or
stapling machines in general; |
| B 28 |
Working cement, clay, or stone; |
| B 29 |
Working of plastics; working of substances in a plastic state
in general; |
| B 30 |
Presses; |
| B 31 |
Making paper articles; working paper; |
| B 32 |
Layered products. |
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| Subsection: PRINTING |
| B 41 |
Printing; lining machines; typewriters; stamps; |
| B 42 |
Bookbinding; albums; files; special printed matter; |
| B 43 |
Writing or drawing implements; bureau accessories; |
| B 44 |
Decorative arts. |
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| Subsection: TRANSPORTING |
| B 60 |
Vehicles in general; |
| B 61 |
Railways; |
| B 62 |
Land vehicles for travelling otherwise than on rails; |
| B 63 |
Ships or other waterborne vessels; related equipment; |
| B 64 |
Aircraft; aviation; cosmonautics; |
| B 65 |
Conveying; packing; storing; handling thin or filamentary
material; |
| B 66 |
Hoisting; lifting; hauling; |
| B 67 |
Opening or closing bottles, jars or similar containers; liquid
handling; |
| B 68 |
Saddlery; upholstery. |
SECTION C - CHEMISTRY;
METALLURGY
| Subsection: CHEMISTRY |
| C 01 |
Inorganic chemistry; |
| C 02 |
Treatment of water, waste water, sewage, or sludge; |
| C 03 |
Glass; mineral or slag wool; |
| C 04 |
Cements; concrete; artificial stone; ceramics; refractories; |
| C 05 |
Fertilisers; manufacture thereof; |
| C 06 |
Explosives; matches; |
| C 07 |
Organic chemistry; |
| C 08 |
Organic macromolecular compounds; their preparations or chemical
working-up; compositions based thereon; |
| C 09 |
Dyes; paints; polishes; natural resins; adhesives; miscellaneous
compositions; miscellaneous applications of materials; |
| C 10 |
Petroleum, gas or coke industries; technical gases containing
carbon monoxide; fuels; lubricants; peat; |
| C 11 |
Animal or vegetable oils, fats, fatty substances or waxes;
fatty acids therefrom; detergents; candles; |
| C 12 |
Biochemistry; beer; spirits; wine; vinegar; microbiology;
enzymology; mutation or genetic engineering; |
| C 13 |
Sugar industry; |
| C 14 |
Skins; hides; pelts; leather. |
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| Subsection: METALLURGY |
| C 21 |
Metallurgy of iron; |
| C 22 |
Metallurgy; ferrous or non-ferrous alloys; treatment of alloys
or non-ferrous metals; |
| C 23 |
Coating metallic material; coating material with metallic
material; chemical surface treatment; diffusion treatment of
metallic material; coating by vacuum evaporation, by sputtering,
by ion implantation or by chemical vapour deposition, in general;
inhibiting corrosion of metallic material or incrustation in
general; |
| C 25 |
Electrolytic or electrophoretic processes; apparatus therefor; |
| C 30 |
Crystal growth. |
SECTION D - TEXTILES;
PAPER
| Subsection: TEXTILES
OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR |
| D 01 |
Natural or artificial threads or fibres; spinning; |
| D 02 |
Yarns; mechanical finishing of yarns or ropes; warping or
beaming; |
| D 03 |
Weaving; |
| D 04 |
Braiding; lace-making; knitting; trimmings; non-woven fabrics; |
| D 05 |
Sewing; embroidering; tufting; |
| D 06 |
Treatment of textiles or the like; laundering; flexible materials
not otherwise provided for; |
| D 07 |
Ropes; cables other than electric. |
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| Subsection: PAPER |
| D 21 |
Paper-making; production of cellulose. |
SECTION E - FIXED CONSTRUCTIONS
| Subsection: BUILDING |
| E 01 |
Construction of roads, railways, or bridges; |
| E 02 |
Hydraulic engineering; foundations; soil-shifting; |
| E 03 |
Water supply; sewerage; |
| E 04 |
Building; |
| E 05 |
Locks; Keys; Window or door fittings; safes; |
| E 06 |
Doors, windows, shutters, or roller blinds, in general; ladders. |
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| Subsection: EARTH DRILLING;
MINING |
| E 21 |
Earth drilling; mining. |
SECTION F - MECHANICAL
ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
| Subsection: ENGINES
OR PUMPS |
| F 01 |
Machines or engines in general; engine plants
in general; steam engines; |
| F 02 |
Combustion engines; hot-gas or combustion-product engine plants; |
| F 03 |
Machines or engines for liquids; wind, spring, weight, or
miscellaneous motors; producing mechanical power or a reactive
propulsive thrust, not otherwise provided for; |
| F 04 |
Positive-displacement machines for liquids; pumps for liquids
or elastic fluids. |
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| Subsection: ENGINEERING
IN GENERAL |
| F 15 |
Fluid-pressure actuators; hydraulics or pneumatics in general; |
| F 16 |
Engineering elements or units; general measures for producing
and maintaining effective functioning of machines or installations;
thermal insulation in general; |
| F 17 |
Storing or distributing gases or liquids. |
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| Subsection: LIGHTING;
HEATING |
| F 21 |
Lighting; |
| F 22 |
Steam generation; |
| F 23 |
Combustion apparatus; combustion processes; |
| F 24 |
Heating; ranges; ventilating; |
| F 25 |
Refrigeration or cooling; combined heating and refrigeration
system; heat pumps systems; manufacture or storage of ice; liquefaction
or solidification of gases; |
| F 26 |
Drying; |
| F 27 |
Furnaces; kilns; ovens; retorts; |
| F 28 |
Heat exchange in general. |
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| Subsection: WEAPONS;
BLASTING |
| F 41 |
Weapons; |
| F 42 |
Ammunition; Blasting. |
SECTION G - PHYSICS
| Subsection: INSTRUMENTS |
| G 01 |
Measuring; testing; |
| G 02 |
Optics; |
| G 03 |
Photography; cinematography; analogous techniques using waves
other than optical waves; electrography; holography; |
| G 04 |
Horology; |
| G 05 |
Controlling; regulating; |
| G 06 |
Computing; calculating; counting; |
| G 07 |
Checking-devices; |
| G 08 |
Signalling; |
| G 09 |
Educating; cryptography; display; advertising; seals; |
| G 10 |
Musical instruments; acoustics; |
| G 11 |
Information storage; |
| G 12 |
Instrument details. |
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| Subsection: NUCLEONICS |
| G 21 |
Nuclear physics; nuclear engineering. |
SECTION
H - ELECTRICITY
| H 01 |
Basic electric elements; |
| H 02 |
Generation, conversion, or distribution of electric power; |
| H 03 |
Basic electronic circuitry; |
| H 04 |
Electric communication technique; |
| H 05 |
Electric techniques not otherwise provided for. |
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