List of departments and categories of International Patent Classification (IPC)
A: The needs of human life.
Human necessities
A0 1: agriculture; Forestry; Animal husbandry; Hunting; Trap; Catch fish
A2 1: baking; Edible dough
A22: Slaughtering; Meat processing; Processing of poultry or fish
A23: Food or food not classified in other categories; And its treatment
A24: Tobacco; Cigar; Cigarettes; Smoker's articles
A4 1: clothing
A42: Hat products
A43: footwear
A44: Men's wear; jewels
A45: Hand-held articles or travel articles
A46: Brush products
A47: Furniture
A6 1: medicine or veterinary medicine; hygienics
A62: lifesaving; fire fighting
A63: Exercise; Games; recreational activities
B: operation and transportation
Perform operations, transport
B0 1: general physical or chemical method or device.
B02: crushing, grinding or pulverizing; Grain milling pretreatment
B03: separating solid materials with liquid or pneumatic vibrator or pneumatic clamp; Magnetic or electrostatic separation of solid materials from solid materials or fluids.
B04: Centrifugal devices or centrifuges used to realize physical or chemical processes.
B05: general spray or atomization; A general method of coating a surface with a liquid or other fluid.
B06: Generation or Transmission of General Mechanical Vibration
B07: separating the solid from the solid; size
B08: Cleaning
B09: Disposal of solid waste
B2 1: metal machining without cutting; Metal stamping
B22: casting; Powder metallurgy
B23: machine tool; Metal processing that does not fall into other categories
B24: grinding; shine
B25: hand tools; Portable electric tools; The handle of a hand tool; Workshop equipment; manipulator
B26: Manual cutting tool; Cutting; cut off
B27: Processing or preservation of wood or similar materials; Ordinary nailing machine or U-shaped nailing machine
B28: Processing cement, clay or stone
B29: plastic processing; Plastic processing of general brands
B30: News
B3 1: papermaking; Paper processing
B32: Layered products
B4 1: print; Typesetting machine; Typewriter; Die press
B42: Binding; Atlas; Folder; Special printed matter
B43: writing or drawing tools; office supplies
B44: Decorative Art
B60: General purpose vehicle
B6 1: Railway
B62: Trackless Land Vehicles
B63: Ships or other water vessels; Ship-related equipment
B64: Aircraft; Aviation; Space navigation
B65: transportation; Packaging; Storage; Handling thin or filamentary materials
B66: winding; Promotion; draw
B67: opening or closing bottles, cans or similar containers; Storage and transportation of liquids
B68: Saddle; Furniture covering cushion material
B8 1: microstructure technology
B82: Ultramicro Technology
Chemistry, metallurgy
Chemistry, metallurgy
C0 1: inorganic chemistry
CO2: Treatment of water, wastewater, sewage or sludge.
C03 glass; Mineral wool or slag wool
C04: cement; Concrete; Artificial stone; Ceramics; fire prevention
C05: fertilizer; Fertilizer manufacturing
C06: explosives: matches
C07: Organic Chemistry
C08: organic polymer compound; Its preparation or chemical processing; Composition based on it
C09: dye; Paint; Polishing agent; Natural resin; Adhesive; Other various materials; Various applications of materials
C 10: petroleum, natural gas and coking industries; Industrial gas containing carbon monoxide; Fuel; Lubricant; peat
C 1 1: animal and vegetable oils, fats, fatty substances or waxes; Fatty acids thus prepared; Detergent; candle
C 12: biochemistry; Beer; Hard liquor; Fruit juice wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering
C 13: sugar industry
C 14: small animal skins; Raw skin; Fur; leather
C2 1: iron metallurgy
C22: Metallurgy; Black or non-ferrous metal alloys; Treatment of alloys or non-ferrous metals
C23: electroplating metal materials; Electroplating materials with metal materials; Surface chemical treatment; Diffusion treatment of metal materials: ordinary electroplating by vacuum evaporation, sputtering, ion implantation or chemical vapor deposition; General inhibition of corrosion or scaling of metallic materials
C25: Electrolytic or electrophoretic process and equipment used.
C30: crystal growth
D: textiles and paper making
Textiles and clothing; paper
D0 1: natural or artificial threads and fibers; spinning
D02: yarn; Mechanical processing of yarn or rope; Warp bending or winding
D03: Weaving
D04: Braids; Lace making; Knitting and lace; nonwoven fabrics
D05: Sewing, Embroidery and Tufting
D06: Treatment of fabrics, etc. Washing; Flexible materials that do not fall into other categories.
DO7: rope; Cables other than cables
D2 1: papermaking; Cellulose production
E: fixed structure
fixed structure
E0 1: road, railway or bridge construction
E02: Water conservancy project; Foundation; spill
E03: water supply; drainage
E04: Architecture
E05: lock; Keys; Door and window parts; strongbox
E06: Ordinary doors, windows, blinds or roller blinds and ladders.
E2 1: drilling; my
F: mechanical engineering, lighting, heating, weapons, blasting.
Mechanical engineering, lighting, heating, weapons, blasting
F0 1: universal machine or engine; Universal engine unit; steam engine
F02: internal combustion engine; Engine device for hot gas or combustion products
F03: Hydraulic machinery or hydraulic engine; Wind, spring, gravity or other engines; Engines that generate mechanical power or reverse thrust, not included in other classes.
F04: liquid variable displacement machine; Liquid pump or elastic liquid pump
F 15: fluid pressure actuator; General hydraulic technology and pneumatic technology
F 16: engineering components or parts; General measures to produce and maintain the effective operation of machinery or equipment; Generally adiabatic
F 17: storage or distribution of gas or liquid
F2 1: lighting
F22: Generation of Steam
F23: Combustion Equipment: Combustion Method
F24: heating; Stove; ventilate
F25: refrigeration or cooling; Combined heating and cooling system; Heat pump system; The manufacture or storage of ice; Liquefaction or solidification of gas
F26: drying
F27: Furnace; Kiln; Oven; distillation furnace
F28: General heat exchanger
F4 1: Weapons
F42: Ammunition; explosion
physics
physics
G0 1: measurement; test
G02 optics
G03: photography; Cinematography; Similar techniques using waves other than light waves; Electro-optical engraving; Holography
G04: Chronology
G05: control; regulate
G06: Calculation, Calculation and Counting
G07: Accounting Equipment
G08: Signal device
G09: education; Cryptography; Display; Advertising; Sample stamp for inspection is archived.
G 10: musical instrument; acoustics
G 1 1: information storage
G 12: parts of instruments
G20 1: nuclear physics; nuclear technology
H: electricity
electric current
H0 1: basic electrical components
H02: Power generation, transformation or distribution.
H03: Basic electronic circuit
H04: Electronic communication technology
H05: Electrical technology not classified in other categories.