PROFILE OF COMPANIES FROM PI & T REPORT
Distribution of Patents by IPC (IPC Order) for March 2000
IPC Patents IPC Title (1st line)
A01B 3 SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR
A01C 3 PLANTING; SOWING; FERTILISING
A01D 9 HARVESTING; MOWING
A01F 1 PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES
A01G 2 HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT,
A01H 14 NEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION
A01J 1 MANUFACTURE OF DAIRY PRODUCTS
A01K 5 ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING;
A01L 2 SHOEING OF ANIMALS
A01N 45 PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS
A21D 4 TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BY
A22C 2 PROCESSING MEAT, POULTRY, OR FISH
A23B 3 PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES,
A23C 3 DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE
A23D 2 EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
A23F 2 COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR
A23J 2 PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR
A23L 11 FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY
A23P 1 SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE
A24B 1 MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING;
A24F 1 SMOKERS' REQUISITES; MATCH BOXES
A41D 1 OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
A42B 1 HATS; HEAD COVERINGS
A43B 1 CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
A43C 1 FASTENINGS OR ATTACHMENTS FOR FOOTWEAR; LACES IN GENERAL
A44B 3 BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
A45D 2 HAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC
A45F 1 TRAVELLING OR CAMP EQUIPMENT
A46B 3 BRUSHES
A47B 10 TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL
A47C 4 CHAIRS ; SOFAS; BEDS
A47G 5 HOUSEHOLD OR TABLE EQUIPMENT
A47J 3 KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR
A47K 3 SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET
A47L 3 DOMESTIC WASHING OR CLEANING ; SUCTION CLEANERS IN GENERAL
A61B 92 DIAGNOSIS; SURGERY; IDENTIFICATION
A61C 5 DENTISTRY; ORAL OR DENTAL HYGIENE
A61F 20 FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; ORTHOPAEDIC,
A61G 1 TRANSPORT OR ACCOMMODATION FOR PATIENTS; OPERATING TABLES OR
A61K 199 PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
A61L 6 METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN
A61M 32 DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY ; DEVICES
A61N 27 ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND
A61P 1 THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL
A62B 1 DEVICES, APPARATUS, OR METHODS FOR LIFE-SAVING
A62C 1 FIRE-FIGHTING
A63B 4 APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING,
A63C 1 SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS
A63F 1 CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING
A63G 1 MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS;
A63H 1 TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS
B01D 41 SEPARATION [5]
B01F 3 MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
B01J 42 CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID
B01L 3 CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
B02C 2 CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING
B03B 2 SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC
B03C 1 MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM
B04B 1 CENTRIFUGES
B05B 8 SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES [2]
B05C 11 APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO
B05D 35 PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO
B07B 1 SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING
B07C 6 POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL
B08B 11 CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B21B 10 ROLLING OF METAL
B21D 7 WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR
B21F 1 WORKING OR PROCESSING OF WIRE
B21J 1 FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
B21K 1 MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS,
B22C 1 FOUNDRY MOULDING
B22D 7 CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME
B22F 8 WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC
B23B 4 TURNING; BORING
B23C 2 MILLING
B23D 2 PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING;
B23F 1 MAKING GEARS OR TOOTHED RACKS
B23H 1 WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF
B23K 28 SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY
B23P 15 OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE
B23Q 7 DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.
B24B 18 MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ;
B24C 1 ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
B24D 3 TOOLS FOR GRINDING, BUFFING, OR SHARPENING
B25B 3 TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING,
B25C 4 HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY-OPERATED PORTABLE
B25D 1 PERCUSSIVE TOOLS [2]
B25J 2 MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES [5]
B26B 2 HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
B26D 6 CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY
B26F 2 PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY
B27F 1 DOVETAILED WORK; TENONS; SLOTTING MACHINES; NAILING OR STAPLING
B28B 4 SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES
B28C 1 PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR
B28D 3 WORKING STONE OR STONE-LIKE MATERIALS
B29B 1 PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE * oo SHAPED;
B29C 45 SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES * oo IN A
B29D 21 PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM * oo
B31B 2 MAKING BOXES, CARTONS, ENVELOPES, OR BAGS
B31F 2 MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD
B32B 89 LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR
B41B 5 MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING
B41C 1 PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING
B41F 6 PRINTING MACHINES OR PRESSES [4]
B41J 101 TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS
B41L 3 APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTING
B41M 18 PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR
B42C 1 BOOKBINDING
B42D 1 BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER OF SPECIAL
B43K 4 IMPLEMENTS FOR WRITING OR DRAWING
B44C 4 PRODUCING DECORATIVE EFFECTS ; MOSAICS; TARSIA WORK ;
B60B 5 VEHICLE WHEELS; CASTORS; AXLES; INCREASING WHEEL ADHESION
B60C 5 VEHICLE TYRES ; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES
B60D 1 VEHICLE CONNECTIONS
B60G 4 VEHICLE SUSPENSION ARRANGEMENTS [5]
B60H 7 ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR
B60J 20 WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES
B60K 24 ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS
B60L 3 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED
B60N 6 VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
B60P 2 VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO
B60Q 11 ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR
B60R 42 VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE
B60S 2 SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR
B60T 19 VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL
B61C 1 LOCOMOTIVES; MOTOR RAILCARS
B61F 1 RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS
B61G 1 COUPLINGS; DRAUGHT OR BUFFING APPLIANCES
B62B 1 HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; SLEDGES
B62D 26 MOTOR VEHICLES; TRAILERS
B62H 1 CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES;
B62M 1 RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED
B63B 4 SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING [2]
B63H 12 MARINE PROPULSION OR STEERING
B64C 7 AEROPLANES; HELICOPTERS
B64D 3 EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS;
B64G 8 COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
B65B 17 MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING
B65D 24 CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,
B65F 1 GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
B65G 11 TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR
B65H 36 HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
B66B 3 ELEVATORS; ESCALATORS OR MOVING WALKWAYS [4]
B66C 6 CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,
B67B 1 APPLYING CLOSURE MEMBERS TO BOTTLES, JARS, OR SIMILAR
B67C 1 FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES,
B67D 8 DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE
C01B 10 NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
C01C 1 AMMONIA; CYANOGEN; COMPOUNDS THEREOF
C01D 1 COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,
C01F 2 COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM,
C01G 2 COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR
C02F 8 TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE * a [3]
C03B 7 MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
C03C 6 CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS;
C04B 6 LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g.
C05F 1 ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g.
C06B 4 EXPLOSIVE OR THERMIC COMPOSITIONS ; MANUFACTURE THEREOF; USE OF
C06F 1 MATCHES; MANUFACTURE OF MATCHES
C07B 1 GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS * oo THEREFOR
C07C 66 ACYCLIC OR CARBOCYCLIC COMPOUNDS * oo
C07D 78 HETEROCYCLIC COMPOUNDS [2] * oo
C07F 18 ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS * oo CONTAINING
C07G 2 COMPOUNDS OF UNKNOWN CONSTITUTION * oo
C07H 30 SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; * oo
C07J 2 STEROIDS [2] * oo
C07K 21 PEPTIDES [4]
C08B 2 POLYSACCHARIDES; DERIVATIVES THEREOF [4]
C08C 1 TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
C08F 44 MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING
C08G 40 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS
C08J 23 WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; * oo AFTER-
C08K 25 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC * a SUBSTANCES AS
C08L 28 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS [2]
C09B 6 ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES;
C09C 3 TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO
C09D 20 COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING
C09J 2 ADHESIVES; ADHESIVE PROCESSES IN GENERAL ; ADHESIVE PROCESSES
C09K 26 MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR
C10B 2 DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR
C10C 2 WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
C10G 10 CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON
C10J 2 PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID
C10L 1 FUELS NOT OTHERWISE PROVIDED FOR ; NATURAL GAS; SYNTHETIC
C10M 10 LUBRICATING COMPOSITIONS ; USE OF CHEMICAL SUBSTANCES EITHER
C11C 1 FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR
C11D 18 DETERGENT COMPOSITIONS ; USE OF SINGLE SUBSTANCES AS DETERGENTS;
C12M 2 APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY * a [3]
C12N 62 MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF * a ;
C12P 23 FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A * a
C12Q 49 MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR * a MICRO-
C14C 2 CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,
C21B 4 MANUFACTURE OF IRON OR STEEL
C21C 1 PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-
C21D 2 MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; * oo GENERAL
C22B 2 PRODUCTION OR REFINING OF METALS ; PRETREATMENT OF RAW MATERIALS
C22C 9 ALLOYS
C22F 3 CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS * oo OR
C23C 63 COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC
C23F 10 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES ;
C25B 6 ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF
C25C 1 PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING
C25D 5 PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF
C25F 1 PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM
C30B 14 SINGLE-CRYSTAL GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF
D01D 3 MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL
D01F 2 CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,
D01H 5 SPINNING OR TWISTING
D02G 7 CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS
D03C 1 SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS;
D03D 2 WOVEN FABRICS; METHODS OF WEAVING; LOOMS
D03J 1 AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
D04H 3 MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL
D05B 1 SEWING
D05C 1 EMBROIDERING; TUFTING
D06F 6 LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE
D06M 4 TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES,
D06N 1 WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH,
D06P 3 DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS, OR SOLID
D21C 2 PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES
D21D 1 TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING
D21F 6 PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21G 1 CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
D21H 2 PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES
E01B 1 PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS
E02B 1 HYDRAULIC ENGINEERING
E02F 1 DREDGING; SOIL-SHIFTING
E03B 1 INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR
E03C 2 DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ;
E04B 1 GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS;
E04C 1 STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04G 1 SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER
E04H 1 BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING
E05B 5 LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
E05C 6 BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR
E05D 4 HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS
E05F 5 DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS
E06B 1 FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,
E21B 24 EARTH OR ROCK DRILLING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR
F01B 5 MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE,
F01C 4 ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
F01D 15 NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM
F01K 3 STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT
F01L 18 CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01M 2 LUBRICATING OF MACHINES OR ENGINES IN GENERAL ; LUBRICATING
F01N 10 GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES
F01P 2 COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-
F02B 16 INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN
F02C 8 GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS;
F02D 25 CONTROLLING COMBUSTION ENGINES [4]
F02F 3 CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES;
F02G 2 HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE
F02K 2 JET-PROPULSION PLANTS
F02M 28 SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE
F02N 3 STARTING OF COMBUSTION ENGINES ; STARTING AIDS FOR SUCH ENGINES,
F02P 6 IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-
F03B 1 MACHINES OR ENGINES FOR LIQUIDS
F03G 1 SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-
F04B 12 POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04C 3 ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT
F04D 4 NON-POSITIVE-DISPLACEMENT PUMPS
F15B 2 SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE
F15C 1 FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR
F16B 3 DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR
F16C 16 SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS;
F16D 22 COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES [2]
F16F 10 SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
F16G 1 BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING
F16H 27 GEARING
F16J 7 PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
F16K 13 VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR
F16L 12 PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES
F16M 2 FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR
F17C 1 VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR
F21K 1 LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21P 1
F21V 9 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR * oo
F22B 2 METHODS OF STEAM GENERATION; STEAM BOILERS
F23D 4 BURNERS
F23J 1 REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION
F23L 1 AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID
F23M 2 CONSTRUCTIONAL DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE
F23Q 1 IGNITION ; EXTINGUISHING DEVICES
F23R 2 GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY,
F24F 2 AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR
F24H 1 FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING
F25B 19 REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND
F25C 1 PRODUCTION, WORKING, STORING, OR DISTRIBUTION OF ICE [2]
F25D 12 REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING
F25J 5 LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS
F26B 6 DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
F27B 2 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR
F27D 4 DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN
F28B 1 STEAM OR VAPOUR CONDENSERS
F28D 5 HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,
F28F 4 DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL
F41F 2 APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS,
F42B 6 EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION [2,
F42C 1 AMMUNITION FUZES ; ARMING OR SAFETY MEANS THEREFOR [5]
G01B 27 MEASURING LENGTH, THICKNESS, OR SIMILAR LINEAR DIMENSIONS;
G01C 4 MEASURING DISTANCES, LEVELS, OR BEARINGS; SURVEYING; NAVIGATION;
G01D 7 MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE;
G01F 7 MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL;
G01G 3 WEIGHING
G01H 3 MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR
G01J 14 MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,
G01K 5 MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-
G01L 12 MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,
G01M 12 TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES;
G01N 65 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR
G01P 12 MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,
G01R 57 MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01S 20 RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE
G01T 4 MEASUREMENT OF NUCLEAR OR X-RADIATION
G01V 21 GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR
G02B 88 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS [1,7]
G02C 2 SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME
G02F 40 DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS
G03B 73 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR
G03C 49 PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES ;
G03D 3 APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS ;
G03F 35 PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,
G03G 100 ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
G03H 4 HOLOGRAPHIC PROCESSES OR APPARATUS [2]
G04B 2 MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF
G04F 1 TIME-INTERVAL MEASURING [2]
G05B 15 CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF
G05D 6 SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05F 33 SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES [4,5]
G05G 5 CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY
G06E 1 OPTICAL COMPUTING DEVICES [5]
G06F 611 ELECTRIC DIGITAL DATA PROCESSING
G06G 9 ANALOGUE COMPUTERS
G06J 1 HYBRID COMPUTING ARRANGEMENTS
G06K 96 RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS;
G06M 2 COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED
G06T 18 IMAGE DATA PROCESSING OR GENERATION, IN GENERAL [6]
G07B 4 TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING
G07D 4 SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWISE HANDLING
G07F 1 COIN-FREED OR LIKE APPARATUS [1,7]
G08B 20 SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08C 2 TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR
G08G 3 TRAFFIC CONTROL SYSTEMS [2]
G09B 6 EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING,
G09F 2 DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09G 66 ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING
G10H 4 ELECTROPHONIC MUSICAL INSTRUMENTS
G10K 1 SOUND-PRODUCING DEVICES ; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10L 23 SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION * oo [4]
G11B 157 INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD
G11C 127 STATIC STORES
G21C 2 NUCLEAR REACTORS
G21K 2 TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION
H01B 17 CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR
H01C 5 RESISTORS
H01F 16 MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR
H01G 11 CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES,
H01H 27 ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE
H01J 73 ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01K 1 ELECTRIC INCANDESCENT LAMPS
H01L 507 SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT
H01M 51 PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF
H01P 7 WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE
H01Q 27 AERIALS
H01R 114 ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF
H01S 28 DEVICES USING STIMULATED EMISSION
H01T 3 SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING
H02B 4 BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR
H02G 5 INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL
H02H 22 EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02J 17 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING
H02K 29 DYNAMO-ELECTRIC MACHINES
H02M 25 APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,
H02N 3 ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
H02P 20 CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-
H03B 6 GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,
H03C 2 MODULATION
H03D 6 DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO
H03F 17 AMPLIFIERS
H03G 1 CONTROL OF AMPLIFICATION
H03H 20 IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
H03K 67 PULSE TECHNIQUE [4]
H03L 11 AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION
H03M 34 CODING, DECODING OR CODE CONVERSION, IN GENERAL [4]
H04B 97 TRANSMISSION [4]
H04H 3 BROADCAST COMMUNICATION
H04J 52 MULTIPLEX COMMUNICATION
H04K 8 SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04L 74 TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC
H04M 68 TELEPHONIC COMMUNICATION
H04N 146 PICTORIAL COMMUNICATION, e.g. TELEVISION [4]
H04Q 65 SELECTING
H04R 10 LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC
H05B 32 ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
H05F 2 STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
H05G 2 X-RAY TECHNIQUE
H05H 4 PLASMA TECHNIQUE ; PRODUCTION OF ACCELERATED ELECTRICALLY-
H05K 51 PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC
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