methods, notes and classification Patent applications to the EPO by priority year, by international patent classification (IPC) sections, classes and metropolitan regions methods, notes and classification

    • Unit of measure
      • 0 Number
    • International patent classification (IPC)
      • 00 International patent classification (IPC) - total
      • 01 Section A - Human necessities
      • 02 Agriculture; forestry; animal husbandry; hunting; trapping; fishing
      • 03 Baking; equipment for making or processing doughs; doughs for baking
      • 04 Butchering; meat treatment; processing poultry or fish
      • 05 Foods or foodstuffs; their treatment, not covered by other classes
      • 06 Tobacco; cigars; cigarettes; smokers' requisites
      • 07 Wearing apparel
      • 08 Headwear
      • 09 Footwear
      • 0a Haberdashery; jewellery
      • 0b Hand or travelling articles
      • 0c Brushware
      • 0d Furniture; domestic articles or appliances; coffee mills; spice mills; suction cleaners in general
      • 0e Medical or veterinary science; hygiene
      • 0f Life-saving; fire-fighting
      • 0g Sports; games; amusements
      • 0h Section B - Performing operations; transporting
      • 0i Physical or chemical processes or apparatus in general
      • 0j Crushing, pulverising, or disintegrating; preparatory treatment of grain for milling
      • 0k 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
      • 0l Centrifugal apparatus or machines for carrying-out physical or chemical processes
      • 0m Spraying or atomising in general; applying liquids or other fluent materials to surfaces, in general
      • 0n Generating or transmitting mechanical vibrations in general
      • 0o Separating solids from solids; sorting
      • 0p Cleaning
      • 0q Disposal of solid waste; reclamation of contaminated soil
      • 0r Mechanical metal-working without essentially removing material; punching metal
      • 0s Casting; powder metallurgy
      • 0t Machine tools; metal-working not otherwise provided for
      • 0u Grinding; polishing
      • 0v Hand tools; portable power-driven tools; handles for hand implements; workshop equipment; manipulators
      • 0w Hand cutting tools; cutting; severing
      • 0x Working or preserving wood or similar material; nailing or stapling machines in general
      • 0y Working cement, clay, or stone
      • 0z Working of plastics; working of substances in a plastic state in general
      • 10 Presses
      • 11 Making paper articles; working paper
      • 12 Layered products
      • 13 Printing; lining machines; typewriters; stamps
      • 14 Bookbinding; albums; files; special printed matter
      • 15 Writing or drawing implements; bureau accessories
      • 16 Decorative arts
      • 17 Vehicles in general
      • 18 Railways
      • 19 Land vehicles for travelling otherwise than on rails
      • 1a Ships or other waterborne vessels; related equipment
      • 1b Aircraft; aviation; cosmonautics
      • 1c Conveying; packing; storing; handling thin or filamentary material
      • 1d Hoisting; lifting; hauling
      • 1e Opening or closing bottles, jars or similar containers; liquid handling
      • 1f Saddlery; upholstery
      • 1g Micro-structural technology
      • 1h Nanotechnology
      • 1i Section C - Chemistry; metallurgy
      • 1j Inorganic chemistry
      • 1k Treatment of water, waste water, sewage, or sludge
      • 1l Glass; mineral or slag wool
      • 1m Cements; concrete; artificial stone; ceramics; refractories
      • 1n Fertilisers; manufacture thereof
      • 1o Explosives; matches
      • 1p Organic chemistry
      • 1q Organic macromolecular compounds; their preparation or chemical working-up; compositions based thereon
      • 1r Dyes; paints; polishes; natural resins; adhesives; compositions not otherwise provided for; applications of materials not otherwise provided for
      • 1s Petroleum, gas or coke industries; technical gases containing carbon monoxide; fuels; lubricants; peat
      • 1t Animal or vegetable oils, fats, fatty substances or waxes; fatty acids therefrom; detergents; candles
      • 1u Biochemistry; beer; spirits; wine; vinegar; microbiology; enzymology; mutation or genetic engineering
      • 1v Sugar industry
      • 1w Skins; hides; pelts; leather
      • 1x Metallurgy of iron
      • 1y Metallurgy; ferrous or non-ferrous alloys; treatment of alloys or non-ferrous metals
      • 1z 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
      • 20 Electrolytic or electrophoretic processes; apparatus therefor
      • 21 Crystal growth
      • 22 Combinatorial technology
      • 23 Section D - Textiles; paper
      • 24 Natural or artificial threads or fibres; spinning
      • 25 Yarns; mechanical finishing of yarns or ropes; warping or beaming
      • 26 Weaving
      • 27 Braiding; lace-making; knitting; trimmings; non-woven fabrics
      • 28 Sewing; embroidering; tufting
      • 29 Treatment of textiles or the like; laundering; flexible materials not otherwise provided for
      • 2a Ropes; cables other than electric
      • 2b Paper-making; production of cellulose
      • 2c Section E - Fixed constructions
      • 2d Construction of roads, railways, or bridges
      • 2e Hydraulic engineering; foundations; soil-shifting
      • 2f Water supply; sewerage
      • 2g Building
      • 2h Locks; keys; window or door fittings; safes
      • 2i Doors, windows, shutters, or roller blinds, in general; ladders
      • 2j Earth or rock drilling; mining
      • 2k Section F - Mechanical engineering; lighting; heating; weapons; blasting
      • 2l Machines or engines in general; engine plants in general; steam engines
      • 2m Combustion engines; hot-gas or combustion-product engine plants
      • 2n Machines or engines for liquids; wind, spring, or weight motors; producing mechanical power or a reactive propulsive thrust, not otherwise provided for
      • 2o Positive-displacement machines for liquids; pumps for liquids or elastic fluids
      • 2p Fluid-pressure actuators; hydraulics or pneumatics in general
      • 2q Engineering elements or units; general measures for producing and maintaining effective functioning of machines or installations; thermal insulation in general
      • 2r Storing or distributing gases or liquids
      • 2s Lighting
      • 2t Steam generation
      • 2u Combustion apparatus; combustion processes
      • 2v Heating; ranges; ventilating
      • 2w Refrigeration or cooling; combined heating and refrigeration systems; heat pump systems; manufacture or storage of ice; liquefaction or solidification of gases
      • 2x Drying
      • 2y Furnaces; kilns; ovens; retorts
      • 2z Heat exchange in general
      • 30 Weapons
      • 31 Ammunition; blasting
      • 32 Section G - Physics
      • 33 Measuring; testing
      • 34 Optics
      • 35 Photography; cinematography; analogous techniques using waves other than optical waves; electrography; holography
      • 36 Horology
      • 37 Controlling; regulating
      • 38 Computing; calculating; counting
      • 39 Checking-devices
      • 3a Signalling
      • 3b Educating; cryptography; display; advertising; seals
      • 3c Musical instruments; acoustics
      • 3d Information storage
      • 3e Instrument details
      • 3f Nuclear physics; nuclear engineering
      • 3g Section H - Electricity
      • 3h Basic electric elements
      • 3i Generation, conversion, or distribution of electric power
      • 3j Basic electronic circuitry
      • 3k Electric communication technique
      • 3l Electric techniques not otherwise provided for
      • 3m Unknown
    • Metropolitan regions
      • 00 Bruxelles / Brussel (NUTS 2010)
      • 01 Antwerpen
      • 02 Gent
      • 03 Charleroi
      • 04 Liège (NUTS 2010)
      • 05 Non-metropolitan regions in Belgium
      • 06 Sofia
      • 07 Plovdiv
      • 08 Varna
      • 09 Praha
      • 0a Brno
      • 0b Ostrava
      • 0c Plzen
      • 0d Non-metropolitan regions in Czech Republic
      • 0e København
      • 0f Århus
      • 0g Odense
      • 0h Aalborg
      • 0i Non-metropolitan regions in Denmark
      • 0j Berlin
      • 0k Hamburg
      • 0l München
      • 0m Köln
      • 0n Frankfurt am Main
      • 0o Stuttgart
      • 0p Leipzig
      • 0q Dresden
      • 0r Düsseldorf
      • 0s Bremen
      • 0t Hannover
      • 0u Nürnberg
      • 0v Bielefeld
      • 0w Halle an der Saale
      • 0x Magdeburg
      • 0y Wiesbaden
      • 0z Göttingen
      • 10 Darmstadt
      • 11 Freiburg im Breisgau
      • 12 Regensburg
      • 13 Schwerin
      • 14 Erfurt
      • 15 Augsburg
      • 16 Bonn
      • 17 Karlsruhe
      • 18 Mönchengladbach
      • 19 Mainz
      • 1a Ruhrgebiet
      • 1b Kiel
      • 1c Saarbrücken
      • 1d Koblenz
      • 1e Rostock
      • 1f Kaiserslautern
      • 1g Iserlohn
      • 1h Flensburg
      • 1i Marburg
      • 1j Konstanz
      • 1k Gießen
      • 1l Bayreuth
      • 1m Aschaffenburg
      • 1n Plauen
      • 1o Neubrandenburg (NUTS 2010)
      • 1p Rosenheim
      • 1q Offenburg
      • 1r Görlitz
      • 1s Schweinfurt
      • 1t Wetzlar
      • 1u Braunschweig-Salzgitter-Wolfsburg
      • 1v Mannheim-Ludwigshafen (NUTS 2010)
      • 1w Münster
      • 1x Aachen
      • 1y Lübeck
      • 1z Kassel
      • 20 Osnabrück
      • 21 Oldenburg (Oldenburg)
      • 22 Heidelberg (NUTS 2010)
      • 23 Paderborn
      • 24 Würzburg
      • 25 Bremerhaven
      • 26 Heilbronn
      • 27 Ulm
      • 28 Pforzheim
      • 29 Ingolstadt
      • 2a Reutlingen
      • 2b Siegen
      • 2c Hildesheim
      • 2d Zwickau
      • 2e Wuppertal
      • 2f Non-metropolitan regions in Germany
      • 2g Tallinn
      • 2h Non-metropolitan regions in Estonia
      • 2i Dublin
      • 2j Cork
      • 2k Non-metropolitan regions in Ireland
      • 2l Athina
      • 2m Thessaloniki
      • 2n Madrid
      • 2o Barcelona
      • 2p Valencia
      • 2q Sevilla
      • 2r Zaragoza
      • 2s Málaga - Marbella
      • 2t Murcia - Cartagena
      • 2u Las Palmas
      • 2v Valladolid
      • 2w Palma de Mallorca
      • 2x Vitoria/Gasteiz
      • 2y Oviedo - Gijón
      • 2z Pamplona/Iruña
      • 30 Santander
      • 31 Bilbao
      • 32 Córdoba
      • 33 Alicante/Alacant - Elche/Elx
      • 34 Vigo
      • 35 Santa Cruz de Tenerife
      • 36 A Coruña
      • 37 Granada
      • 38 Guipúzcoa
      • 39 Cádiz
      • 3a Paris
      • 3b Lyon
      • 3c Toulouse
      • 3d Strasbourg
      • 3e Bordeaux
      • 3f Nantes
      • 3g Lille - Dunkerque - Valenciennes
      • 3h Montpellier
      • 3i Saint-Etienne
      • 3j Rennes
      • 3k Amiens
      • 3l Rouen
      • 3m Nancy
      • 3n Reims
      • 3o Orléans
      • 3p Dijon
      • 3q Poitiers
      • 3r Clermont-Ferrand
      • 3s Caen
      • 3t Limoges
      • 3u Besançon
      • 3v Grenoble
      • 3w Toulon
      • 3x Tours
      • 3y Angers
      • 3z Brest
      • 40 Le Mans
      • 41 Avignon
      • 42 Mulhouse
      • 43 Perpignan
      • 44 Nimes
      • 45 Pau
      • 46 Marseille (NUTS 2010)
      • 47 Nice
      • 48 Zagreb (NUTS 2010)
      • 49 Split
      • 4a Roma
      • 4b Milano
      • 4c Napoli
      • 4d Torino
      • 4e Palermo
      • 4f Genova
      • 4g Firenze
      • 4h Bari
      • 4i Bologna
      • 4j Catania
      • 4k Venezia
      • 4l Verona
      • 4m Taranto
      • 4n Cagliari
      • 4o Padova
      • 4p Brescia
      • 4q Modena
      • 4r Messina
      • 4s Prato
      • 4t Parma
      • 4u Non-metropolitan regions in Italy
      • 4v Lefkosia
      • 4w Riga
      • 4x Non-metropolitan regions in Latvia
      • 4y Vilnius
      • 4z Kaunas
      • 50 Luxembourg
      • 51 Budapest
      • 52 Miskolc
      • 53 Pécs
      • 54 Debrecen
      • 55 Székesfehérvár
      • 56 Non-metropolitan regions in Hungary
      • 57 Valletta
      • 58 Non-metropolitan regions in Malta
      • 59 s' Gravenhage
      • 5a Amsterdam (NUTS 2010)
      • 5b Rotterdam
      • 5c Utrecht
      • 5d Eindhoven
      • 5e Tilburg
      • 5f Groningen (NUTS 2010)
      • 5g Enschede
      • 5h Arnhem - Nijmegen
      • 5i Heerlen
      • 5j Breda
      • 5k s-Hertogenbosch
      • 5l Non-metropolitan regions in Netherlands
      • 5m Wien
      • 5n Graz
      • 5o Linz
      • 5p Salzburg
      • 5q Innsbruck
      • 5r Non-metropolitan regions in Austria
      • 5s Warszawa
      • 5t Lódz
      • 5u Kraków
      • 5v Wroclaw
      • 5w Poznan
      • 5x Gdansk
      • 5y Szczecin
      • 5z Bydgoszcz - Torún
      • 60 Lublin
      • 61 Katowice
      • 62 Bialystok
      • 63 Kielce
      • 64 Rzeszów
      • 65 Opole
      • 66 Czestochowa
      • 67 Radom
      • 68 Bielsko-Biala
      • 69 Tarnów
      • 6a Lisboa
      • 6b Porto (NUTS 2010)
      • 6c Coimbra
      • 6d Bucuresti (NUTS 2010)
      • 6e Cluj-Napoca
      • 6f Timisoara
      • 6g Craiova
      • 6h Constanta
      • 6i Iasi
      • 6j Galati
      • 6k Brasov
      • 6l Ljubljana (NUTS 2010)
      • 6m Maribor
      • 6n Non-metropolitan regions in Slovenia
      • 6o Bratislava
      • 6p Kosice
      • 6q Non-metropolitan regions in Slovakia
      • 6r Helsinki
      • 6s Tampere (NUTS 2010)
      • 6t Turku
      • 6u Non-metropolitan regions in Finland
      • 6v Stockholm
      • 6w Göteborg
      • 6x Malmö
      • 6y Uppsala
      • 6z Non-metropolitan regions in Sweden
      • 70 Non-metropolitan regions in Iceland
      • 71 Oslo
      • 72 Bergen
      • 73 Non-metropolitan regions in Norway
      • 74 Zürich
      • 75 Genève
      • 76 Basel
      • 77 Bern
      • 78 Lausanne
      • 79 Non-metropolitan regions in Switzerland
      • 7a London (NUTS 2010)
      • 7b West Midlands urban area
      • 7c Leeds
      • 7d Glasgow
      • 7e Bradford
      • 7f Liverpool
      • 7g Edinburgh
      • 7h Manchester (NUTS 2010)
      • 7i Cardiff
      • 7j Sheffield
      • 7k Bristol
      • 7l Belfast
      • 7m Newcastle upon Tyne
      • 7n Leicester
      • 7o Aberdeen
      • 7p Cambridge
      • 7q Exeter
      • 7r Portsmouth (NUTS 2010)
      • 7s Coventry
      • 7t Kingston upon Hull
      • 7u Stoke-on-Trent
      • 7v Nottingham
      • 7w Kirklees
      • 7x Doncaster
      • 7y Sunderland
      • 7z Brighton and Hove
      • 80 Swansea
      • 81 Derby
      • 82 Southampton
      • 83 Bournemouth
      • 84 Reading
      • 85 Blackburn - Blackpool - Preston (NUTS 2010)
      • 86 Middlesbrough
      • 87 Norwich (NUTS 2010)
      • 88 Cheshire West and Chester
      • 89 Non-metropolitan regions in United Kingdom