| B | SK | PERFORMING OPERATIONS; TRANSPORTING |
| B01 | USK | SEPARATING; MIXING |
| B01 | KL | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL (furnaces, kilns, ovens, retorts, in general F27) |
| B02 | KL | CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING |
| B03 | KL | 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 (separating isotopes B01D 59/00; crushing or disintegrating B02C; centrifuges or vortex apparatus for carrying out physical processes B04) [5] |
| B04 | KL | CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES |
| B05 | KL | SPRAYING OR ATOMISING IN GENERAL; APPLYING 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, see B32B; 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 | KL | GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL |
| B07 | KL | SEPARATING SOLIDS FROM SOLIDS; SORTING (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 | KL | CLEANING |
| B09 | KL | DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL (treatment of waste water, sewage or sludge C02F; treating radioactively contaminated solids G21F 9/28) [3, 6] |
| B21 | USK | SHAPING |
| B21 | KL | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 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 | KL | CASTING; POWDER METALLURGY |
| B23 | KL | MACHINE TOOLS; METAL-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 | KL | GRINDING; POLISHING |
| B25 | KL | HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS |
| B26 | KL | HAND CUTTING TOOLS; CUTTING; SEVERING |
| B27 | KL | WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL |
| B28 | KL | WORKING CEMENT, CLAY, OR STONE |
| B29 | KL | WORKING OF PLASTICS; WORKING 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-m%$ch D21J J$) |
| B30 | KL | PRESSES |
| B31 | KL | MAKING PAPER ARTICLES; WORKING PAPER (making layered products not composed wholly of paper or cardboard B32B; handling thin material, e.g. sheets, webs, B65H) |
| B32 | KL | LAYERED PRODUCTS |
| B41 | USK | PRINTING |
| B41 | KL | PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H04N) [4] |
| B42 | KL | BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER |
| B43 | KL | WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES |
| B44 | KL | DECORATIVE ARTS |
| B60 | USK | TRANSPORTING |
| B60 | KL | VEHICLES IN GENERAL |
| B61 | KL | RAILWAYS |
| B62 | KL | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS |
| B63 | KL | SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT |
| B64 | KL | AIRCRAFT; AVIATION; COSMONAUTICS |
| B65 | KL | CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL |
| B66 | KL | HOISTING; LIFTING; HAULING |
| B67 | KL | OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID 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 | KL | SADDLERY; UPHOLSTERY |
| B81 | USK | MICRO-STRUCTURAL TECHNOLOGY; NANO-TECHNOLOGY [7] |
| B81 | KL | MICRO-STRUCTURAL TECHNOLOGY [7] |
| B82 | KL | NANO-TECHNOLOGY [7] |