Section B --- Performing Operations; Transporting
Separating; Mixing

B01 Physical Or Chemical Processes Or Apparatus In General

B01B Boiling; Boiling Apparatus
B01D Separation
B01F Mixing, E.G. Dissolving, Emulsifying, Dispersing
B01J Chemical Or Physical Processes, E.G. Catalysis, Colloid Chemistry; Their Relevant Apparatus
B01L Chemical Or Physical Laboratory Apparatus For General Use

B02 Crushing, Pulverising, Or Disintegrating; Preparatory Treatment Of Grain For Milling

B02B Preparing Grain For Milling; Refining Granular Fruit To Commercial Products By Working The Surface
B02C Crushing, Pulverising, Or Disintegrating In General; Milling Grain

B03 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

B03B Separating Solid Materials Using Liquids Or Using Pneumatic Tables Or Jigs
B03C Magnetic Or Electrostatic Separation Of Solid Materials From Solid Materials Or Fluids; Separation By High-voltage Electric Fields
B03D Flotation; Differential Sedimentation

B04 Centrifugal Apparatus Or Machines For Carrying-out Physical Or Chemical Processes

B04B Centrifuges
B04C Apparatus Using Free Vortex Flow, E.G. Cyclones

B05 Spraying Or Atomising In General; Applying Liquids Or Other Fluent Materials To Surfaces, In General

B05B Spraying Apparatus; Atomising Apparatus; Nozzles
B05C Apparatus For Applying Liquids Or Other Fluent Materials To Surfaces, In General
B05D Processes For Applying Liquids Or Other Fluent Materials To Surfaces, In General

B06 Generating Or Transmitting Mechanical Vibrations In General

B06B Generating Or Transmitting Mechanical Vibrations In General

B07 Separating Solids From Solids; Sorting

B07B Separating Solids From Solids By Sieving, Screening, Or Sifting Or By Using Gas Currents; Other Separating By Dry Methods Applicable To Bulk Material, E.G. Loose Articles Fit To Be Handled Like Bulk Material
B07C Postal Sorting; Sorting Individual Articles, Or Bulk Material Fit To Be Sorted Piece-meal, E.G. By Picking

B08 Cleaning

B08B Cleaning In General; Prevention Of Fouling In General

B09 Disposal Of Solid Waste; Reclamation Of Contaminated Soil

B09B Disposal Of Solid Waste
B09C Reclamation Of Contaminated Soil
Shaping

B21 Mechanical Metal-working Without Essentially Removing Material; Punching Metal

B21B Rolling Of Metal
B21C Manufacture Of Metal Sheets, Wire, Rods, Tubes Or Profiles, Otherwise Than By Rolling; Auxiliary Operations Used In Connection With Metal-working Without Essentially Removing Material
B21D Working Or Processing Of Sheet Metal Or Metal Tubes, Rods Or Profiles Without Essentially Removing Material; Punching
B21F Working Or Processing Of Wire
B21G Making Needles, Pins, Or Nails
B21H Making Particular Metal Objects By Rolling, E.G. Screws, Wheels, Rings, Barrels, Balls
B21J Forging; Hammering; Pressing; Riveting; Forge Furnaces
B21K Making Forged Or Pressed Products, E.G. Horse-shoes, Rivets, Bolts, Wheels
B21L Making Chains

B22 Casting; Powder Metallurgy

B22C Foundry Moulding
B22D Casting Of Metals; Casting Of Other Substances By The Same Processes Or Devices
B22F Working Metallic Powder; Manufacture Of Articles From Metallic Powder; Making Metallic Powder

B23 Machine Tools; Metal-working Not Otherwise Provided For

B23B Turning; Boring
B23C Milling
B23D Planing; Slotting; Shearing; Broaching; Sawing; Filing; Scraping; Like Operations For Working Metal By Removing Material, Not Otherwise Provided For
B23F Making Gears Or Toothed Racks
B23G Thread Cutting; Working Of Screws, Bolt Heads, Or Nuts, In Conjunction Therewith
B23H Working Of Metal By The Action Of A High Concentration Of Electric Current On A Workpiece Using An Electrode Which Takes The Place Of A Tool; Such Working Combined With Other Forms Of Working Of Metal
B23K Soldering Or Unsoldering; Welding; Cladding Or Plating By Soldering Or Welding; Cutting By Applying Heat Locally, E.G. Flame Cutting; Working By Laser Beam
B23P Other Working Of Metal; Combined Operations; Universal Machine Tools
B23Q Details, Components, Or Accessories For Machine Tools, E.G. Arrangements For Copying Or Controlling; Machine Tools In General, Characterised By The Construction Of Particular Details Or Components; Combinations Or Associations Of Metal-working Machines, Not Directed To A Particular Result

B24 Grinding; Polishing

B24B Machines, Devices, Or Processes For Grinding Or Polishing; Dressing Or Conditioning Of Abrading Surfaces; Feeding Of Grinding, Polishing, Or Lapping Agents
B24C Abrasive Or Related Blasting With Particulate Material
B24D Tools For Grinding, Buffing, Or Sharpening

B25 Hand Tools; Portable Power-driven Tools; Handles For Hand Implements; Workshop Equipment; Manipulators

B25B Tools Or Bench Devices Not Otherwise Provided For, For Fastening, Connecting, Disengaging, Or Holding
B25C Hand-held Nailing Or Stapling Tools; Manually-operated Portable Stapling Tools
B25D Percussive Tools
B25F Combination Or Multi-purpose Tools Not Otherwise Provided For; Details Or Components Of Portable Power-driven Tools Not Particularly Related To The Operations Performed And Not Otherwise Provided For
B25G Handles For Hand Implements
B25H Workshop Equipment, E.G. For Marking-out Work; Storage Means For Workshops
B25J Manipulators; Chambers Provided With Manipulation Devices

B26 Hand Cutting Tools; Cutting; Severing

B26B Hand-held Cutting Tools Not Otherwise Provided For
B26D Cutting; Details Common To Machines For Severing, E.G. By Cutting, Perforating, Punching, Stamping-out
B26F Perforating; Punching; Cutting-out; Stamping-out; Severing By Means Other Than Cutting

B27 Working Or Preserving Wood Or Similar Material; Nailing Or Stapling Machines In General

B27B Saws; Components Or Accessories Therefor
B27C Planing, Drilling, Milling, Turning, Or Universal Machines
B27D Working Veneer Or Plywood
B27F Dovetailed Work; Tenons; Slotting Machines; Nailing Or Stapling Machines
B27G Accessory Machines Or Apparatus; Tools; Safety Devices, E.G. For Saws
B27H Bending; Cooperage; Wheel-making
B27J Mechanical Working Of Cane, Cork, Or Similar Materials
B27K Processes, Apparatus Or Selection Of Substances For Impregnating, Staining, Dyeing, Bleaching Of Wood Or Similar Materials, Or Treating Of Wood Or Similar Materials With Permeant Liquids, Not Otherwise Provided For; Chemical Or Physical Treatment Of Cork, Cane, Reed, Straw Or Similar Materials
B27L Removing Bark Or Vestiges Of Branches; Splitting Wood; Manufacture Of Veneer, Wooden Sticks, Wood Shavings, Wood Fibres Or Wood Powder
B27M Working Of Wood Not Provided For In Subclasses B27b To B27l; Manufacture Of Specific Wooden Articles
B27N Manufacture By Dry Processes Of Articles, With Or Without Organic Binding Agents, Made From Particles Or Fibres Consisting Of Wood Or Other Lignocellulosic Or Like Organic Material

B28 Working Cement, Clay, Or Stone

B28B Shaping Clay Or Other Ceramic Compositions, Slag Or Mixtures Containing Cementitious Material, E.G. Plaster
B28C Preparing Clay; Producing Mixtures Containing Clay Or Cementitious Material, E.G. Plaster
B28D Working Stone Or Stone-like Materials

B29 Working Of Plastics; Working Of Substances In A Plastic State In General

B29B Preparation Or Pretreatment Of The Material To Be Shaped; Making Granules Or Preforms; Recovery Of Plastics Or Other Constituents Of Waste Material Containing Plastics
B29C Shaping Or Joining Of Plastics; Shaping Of Substances In A Plastic State, In General; After- Treatment Of The Shaped Products, E.G. Repairing
B29D Producing Particular Articles From Plastics Or From Substances In A Plastic State
B29K Indexing Scheme Associated With Subclasses B29b, B29c Or B29d, Relating To Moulding Materials Or To Materials For Reinforcements, Fillers Or Preformed Parts, E.G. Inserts
B29L Indexing Scheme Associated With Subclass B29c, Relating To Particular Articles

B30 Presses

B30B Presses In General

B31 Making Paper Articles; Working Paper

B31B Making Boxes, Cartons, Envelopes, Or Bags
B31C Making Wound Articles, E.G. Wound Tubes
B31D Making Other Paper Articles
B31F Mechanical Working Or Deformation Of Paper Or Cardboard

B32 Layered Products

B32B Layered Products, I.E. Products Built-up Of Strata Of Flat Or Non-flat, E.G. Cellular Or Honeycomb, Form
Printing

B41 Printing; Lining Machines; Typewriters; Stamps

B41B Machines Or Accessories For Making, Setting, Or Distributing Type; Type; Photographic Or Photoelectronic Composing Devices
B41C Processes For The Manufacture Or Reproduction Of Printing Surfaces
B41D Apparatus For The Mechanical Reproduction Of Printing Surfaces For Stereotype Printing; Shaping Elastic Or Deformable Material To Form Printing Surfaces
B41F Printing Machines Or Presses
B41G Apparatus For Bronze Printing, Line Printing, Or For Bordering Or Edging Sheets Or Like Articles; Auxiliary Apparatus For Perforating In Conjunction With Printing
B41J Typewriters; Selective Printing Mechanisms, I.E. Mechanisms Printing Otherwise Than From A Forme; Correction Of Typographical Errors
B41K Stamps; Stamping Or Numbering Apparatus Or Devices
B41L Apparatus Or Devices For Manifolding, Duplicating, Or Printing For Office Or Other Commercial Purposes; Addressing Machines Or Like Series-printing Machines
B41M Printing, Duplicating, Marking, Or Copying Processes; Colour Printing
B41N Printing Plates Or Foils; Materials For Surfaces Used In Printing Machines For Printing, Inking, Damping, Or The Like; Preparing Such Surfaces For Use Or Conserving Them

B42 Bookbinding; Albums; Files; Special Printed Matter

B42B Permanently Attaching Together Sheets, Quires, Or Signatures, Or Permanently Attaching Objects Thereto
B42C Bookbinding
B42D Books; Book Covers; Loose Leaves; Printed Matter Of Special Format Or Style Not Otherwise Provided For; Devices For Use Therewith; Movable-strip Writing Or Reading Apparatus
B42F Sheets Temporarily Attached Together; Filing Appliances; File Cards; Indexing

B43 Writing Or Drawing Implements; Bureau Accessories

B43K Implements For Writing Or Drawing
B43L Articles For Writing Or Drawing Upon; Accessories For Writing Or Drawing
B43M Bureau Accessories Not Otherwise Provided For

B44 Decorative Arts

B44B Machines, Apparatus, Or Tools For Artistic Work, E.G. For Sculpturing, Guilloching, Carving, Branding, Inlaying
B44C Producing Decorative Effects; Mosaics; Tarsia Work; Paperhanging
B44D Painting Or Artistic Drawing, Not Otherwise Provided For; Preserving Paintings; Surface Treatment To Obtain Special Artistic Surface Effects Or Finishes
B44F Special Designs Or Pictures
Transporting

B60 VEHICLES IN GENERAL

B60B Vehicle wheels; Castors; Axles; Increasing wheel adhesion
B60C Vehicle tyres; Tyre inflation; Tyre changing;Connecting valves to inflatable elastic bodies in general; Devices or arrangements related to tyres
B60D Vehicle connections
B60F Vehicles for use both on rail and on road;Amphibious or like vehicles; Convertible vehicles
B60G Vehicle suspension arrangements
B60H Arrangements or adaptations of heating, cooling,ventilating, or other air-treating devices specially for passenger or goods spaces of vehicles
B60J Windows, windscreens, non-fixed roofs, doors, or similar devices for vehicles; Protective coverings for vehicles not in use
B60K Arrangement or mounting of propulsion units or of transmissions in vehicles; Arrangement or mounting of plural diverse prime-movers;Auxiliary drives; Instrumentation or dashboards for vehicles; Conjoint control of drive units;Arrangements in connection with cooling, air intake, gas exhaust, or fuel supply, of propulsion units, in vehicles
B60L Electric equipment or propulsion of electricallypropelled vehicles; Magnetic suspension or levitation for vehicles; Electrodynamic brake systems for vehicles, in general
B60M Power supply lines, or devices along rails, for electrically-propelled vehicles
B60N Vehicle passenger accommodation not otherwise provided for
B60P Vehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects
B60Q Arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor,for vehicles in general
B60R Vehicles, vehicle fittings, or vehicle parts, not otherwise provided for
B60S Servicing, cleaning, repairing, supporting, lifting,or manoeuvring of vehicles, not otherwise provided for
B60T Vehicle brake control systems or parts thereof;Brake control systems, or parts thereof, in general
B60V Air-cushion vehicles

B61 RAILWAYS

B61B Railway systems; Equipment therefor not otherwise provided for
B61C Locomotives; Motor railcars
B61D Body details or kinds of railway vehicles
B61F Rail vehicle suspensions, e.g. underframes, bogies,arrangements of wheel axles; Rail vehicles for use on tracks of different width; Preventing derailing;Wheels guards; Obstruction removers or the like
B61G Couplings; Draught or buffing appliances
B61H Brakes or other retarding apparatus peculiar to rail vehicles; Arrangements or dis-positions of brakes or other retarding apparatus in rail vehicles
B61J Shifting or shunting of rail vehicles
B61K Other auxiliary equipment for railways
B61L Guiding railway traffic: ensuring the safety of railway traffic

B62 LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

B62B Hand-propelled vehicles, e.g. hand carts,perambulators; Sledges
B62C Vehicles drawn by animals
B62D Motor vehicles; Trailers
B62H Cycle stands; Supports or holders for parking or storing cycles; Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles; Devices for learning to ride cycles
B62J Cycle saddles or seats; Accessories peculiar to cycles and not otherwise provided for, e.g. article carriers, cycle protectors
B62K Cycles; Cycle frames; Cycle steering devices;Rider-operated terminal controls specially adapted for cycles; Cycle axle suspensions; Cycle sidecars,forecars, or the like
B62L Brakes specially adapted for cycles
B62M Rider propulsion of wheeled vehicles or sledges;Powered propulsion of sledges or cycles;Transmissions specially adapted for such vehicles

B63 SHIPS OR OTHERWATERBORNE VESSELS; RELATED EQUIPMENT

B63B Ships or other waterborne vessels; Equipment for shipping
B63C Launching, hauling-out, or dry-docking of vessels;Life-saving in water; Equipment for dwelling or working under water; Means for salvaging or searching for underwater objects
B63G Offensive or defensive arrangements on vessels;Mine-laying; Mine-sweeping; Submarines;Aircraft carriers
B63H Marine propulsion or steering
B63J Auxiliaries on vessels

B64 AIRCRAFT; AVIATION; COSMONAUTICS

B64B Lighter-than-air aircraft
B64C Aeroplanes; Helicopters
B64D Equipment for fitting in or to aircraft; Flying suits;Parachutes; Arrangements or mounting of power plants or propulsion transmissions
B64F Ground or aircraft-carrier-deck installations
B64G Cosmonautics; Vehicles or equipment therefor

B65 CONVEYING; PACKING; STORING;HANDLING THIN OR FILAMENTARY MATERIAL

B65B Machines, apparatus or devices for, or methods of,packaging articles or materials; Unpacking
B65C Labelling or tagging machines, apparatus, or processes
B65D Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans,cartons, crates, drums, jars, tanks, hoppers,forwarding containers; Accessories, closures, or fittings therefor; Packaging elements; Packages
B65F Gathering or removal of domestic or like refuse
B65G Transport or storage devices, e.g. conveyers for loading or tipping; Shop conveyer systems;Pneumatic tube conveyers
B65H Handling thin or filamentary material, e.g. sheets,webs, cables

B66 HOISTING; LIFTING; HAULING

B66B Elevators; Escalators or moving walkways
B66C Cranes; Load-engaging elements or devices for cranes, capstans, winches, or tackles
B66D Capstans; Winches; Tackles, e.g. pulley blocks;Hoists
B66F Hoisting, lifting, hauling, or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load

B67 OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING

B67B Applying closure members to bottles, jars, or similar containers; Opening closed containers
B67C Filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for; Funnels
B67D Dispensing, delivering, or transferring liquids, not otherwise provided for

B68 SADDLERY; UPHOLSTERY

B68B Harness; Devices used in connection therewith;Whips or the like
B68C Saddles; Stirrups
B68F Making articles from leather, canvas, or the like
B68G Methods, equipment, or machines for use in upholstering; Upholstery not otherwise provided for
Subsection: MICRO-STRUCTURAL TECHNOLOGY;NANO-TECHNOLOGY

B81 MICRO-STRUCTURAL TECHNOLOGY

B81B Micro-structural devices or systems, e.g. micromechanical devices
B81C Processes or apparatus specially adapted for the manufacture or treatment of micro-structural devices or systems

B82 NANO-TECHNOLOGY

B82B Nano-structures; Manufacture or treatment thereof