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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
B01
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SEPARATINGMIXING
B01
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B02
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CRUSHING, PULVERISING, OR DISINTEGRATINGPREPARATORY TREATMENT OF GRAIN FOR MILLING
B03
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SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGSMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5]
B04
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CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B05
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SPRAYING OR ATOMISING IN GENERALAPPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL [2]
B06
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GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B07
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SEPARATING SOLIDS FROM SOLIDSSORTING
B08
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CLEANING
B09
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DISPOSAL OF SOLID WASTERECLAMATION OF CONTAMINATED SOIL [3, 6]
B21
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SHAPING
B21
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIALPUNCHING METAL
B22
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CASTINGPOWDER METALLURGY
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR
B24
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GRINDINGPOLISHING
B25
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HAND TOOLSPORTABLE POWER-DRIVEN TOOLSHANDLES FOR HAND IMPLEMENTSWORKSHOP EQUIPMENTMANIPULATORS
B26
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HAND CUTTING TOOLSCUTTINGSEVERING
B27
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WORKING OR PRESERVING WOOD OR SIMILAR MATERIALNAILING OR STAPLING MACHINES IN GENERAL
B28
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WORKING CEMENT, CLAY, OR STONE
B29
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WORKING OF PLASTICSWORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B30
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PRESSES
B31
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MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPERWORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B32
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LAYERED PRODUCTS
B33
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ADDITIVE MANUFACTURING TECHNOLOGY [2015.01]
B41
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PRINTING
B41
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PRINTINGLINING MACHINESTYPEWRITERSSTAMPS [4]
B41B
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MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPETYPEPHOTOGRAPHIC OR PHOTOELECTRONIC COMPOSING DEVICES (photographic devices in general G03)
B41C
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PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES (photomechanical processes for producing printing surfaces G03F; photoelectrical processes for producing printing surfaces G03G)
B41D
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APPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINTING SURFACES FOR STEREOTYPE PRINTINGSHAPING ELASTIC OR DEFORMABLE MATERIAL TO FORM PRINTING SURFACES (marking or engraving metal by the action of a high concentration of electric current B23H 9/06; type, machines, or accessories for making, setting, or distributing type B41B; processes for the manufacture or reproduction of printing surfaces B41C; machines or apparatus for engraving in general, or for embossing B44B 3/00, B44B 5/00; chemical etching of metal C23F 1/00; electrolytic etching C25F 3/00; photomechanical reproduction G03F)
B41F
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PRINTING MACHINES OR PRESSES (manifolding devices or office printing machines B41L) [4]
B41G
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APPARATUS FOR BRONZE PRINTING, LINE PRINTING, OR FOR BORDERING OR EDGING SHEETS OR LIKE ARTICLESAUXILIARY APPARATUS FOR PERFORATING IN CONJUNCTION WITH PRINTING (perforating in general B26D; production of decorations B44C; perforating in conjunction with sheet or web delivery B65H 35/00; folding or unfolding thin material, e.g. sheets, webs, B65H 45/00, B65H 47/00)
B41J
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TYPEWRITERSSELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORMECORRECTION OF TYPOGRAPHICAL ERRORS
B41J 1/00
Kinds of typewriters or of selective printing mechanisms
B41J 1/00
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Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies [1, 2006.01]
B41J 2/00
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Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed  (mounting, arrangement or disposition of types or dies B41J 1/00) [5, 2006.01]
B41J 3/00
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Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed [1, 5, 2006.01]
B41J 5/00
Common details or accessories
B41J 5/00
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Devices or arrangements for controlling character selection (methods or arrangements for sensing record carriers G06K 7/00) [1, 2006.01]
B41J 7/00
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Type-selecting or type-actuating mechanisms (index setting B41J 5/02) [1, 2006.01]
B41J 9/00
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Hammer-impression mechanisms [1, 2006.01]
B41J 11/00
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Devices or arrangements for supporting or handling copy material in sheet or web form  (script supports connected to the typewriter or printer B41J 29/15) [1, 2006.01]
B41J 11/02
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Platens [1, 2006.01]
B41J 11/04
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. . Roller platens [1, 2006.01]
B41J 11/053
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. . . with sound-deadening devices (structure of surface B41J 11/057) [3, 2006.01]
B41J 11/057
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. . . Structure of the surface [3, 2006.01]
B41J 11/06
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. . Flat page-size platens [1, 2006.01]
B41J 11/08
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. . Bar or like line-size platens [1, 2006.01]
B41J 11/10
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. . Anvil or like character-size platens [1, 2006.01]
B41J 11/13
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. . Backings or blankets (for roller platens B41J 11/057) [3, 2006.01]
B41J 11/14
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. . Platen-shift mechanismsDriving gear therefor [1, 2006.01]
B41J 11/16
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. . with balancing means [1, 2006.01]
B41J 11/18
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Platen-impression arrangements [1, 2006.01]
B41J 11/20
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Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment [1, 2006.01]
B41J 11/22
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Paper-carriage guides or races [1, 2006.01]
B41J 11/24
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Detents, brakes, or couplings for feed rollers or platens [1, 2006.01]
B41J 11/26
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Pin feeds [1, 2006.01]
B41J 11/27
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. . on or within the platen-rollers [1, 2006.01]
B41J 11/28
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. . Pin wheels [1, 2006.01]
B41J 11/30
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. . Pin traction elements other than wheels, e.g. pins on endless bands [1, 2006.01]
B41J 11/32
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. . Adjustment of pin wheels or traction elements, e.g. laterally [1, 2006.01]
B41J 11/34
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. . Guides coacting with pin feeds [1, 2006.01]
B41J 11/36
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Blanking or long feedsFeeding to a particular line, e.g. by rotation of platen or feed roller [1, 2006.01]
B41J 11/38
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. . Manually-operated feeding devices [1, 2006.01]
B41J 11/40
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. . specially adapted for printing musical scores [1, 2006.01]
B41J 11/42
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. . Controlling [1, 2006.01]
B41J 11/44
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. . . by devices, e.g. programme tape or contact wheel, moved in correspondence with movement of paper-feeding devices, e.g. platen rotation [1, 2006.01]
B41J 11/46
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. . . by marks or formations on the paper being fed [1, 2006.01]
B41J 11/48
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Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers [1, 2006.01]
B41J 11/50
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. . in which two or more papers or sets are separately fed in the same direction towards the printing position [1, 2006.01]
B41J 11/51
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. . . with different feed rates [3, 2006.01]
B41J 11/52
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. . in which one paper or set is moved transversely relative to another [1, 2006.01]
B41J 11/53
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. . . Devices for holding in place one paper or set during replacement of one or more of the auxiliary papers or sets [1, 2006.01]
B41J 11/54
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. . in which one paper or set is fed towards printing position from the front of the apparatus [1, 2006.01]
B41J 11/55
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. . . with means for adjusting a paper or set [3, 2006.01]
B41J 11/56
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specially constructed to facilitate storage or transport of typewriter [1, 2006.01]
B41J 11/58
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Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders [1, 2006.01]
B41J 11/60
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Erasing or correcting tables [1, 2006.01]
B41J 11/62
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Shields or masks [1, 2006.01]
B41J 11/64
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Applications of scales or indicators [1, 2006.01]
B41J 11/66
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Applications of cutting devices [1, 2006.01]
B41J 11/68
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. . cutting parallel to the direction of paper feed [1, 2006.01]
B41J 11/70
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. . cutting perpendicular to the direction of paper feed [1, 2006.01]
B41J 13/00
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Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets [1, 2006.01]
B41J 15/00
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Devices or arrangements specially adapted for supporting or handling copy material in continuous form, e.g. webs [1, 2006.01]
B41J 17/00
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Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper (in manifolding devices B41L) [1, 2006.01]
B41J 19/00
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Character- or line-spacing mechanisms [1, 2006.01]
B41J 21/00
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Column, tabular or like printing arrangementsMeans for centralising short lines  (carriage-release mechanisms B41J 19/66) [1, 2006.01]
B41J 23/00
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Power drives for actions or mechanisms (B41J 9/00 take precedence) [1, 2006.01]
B41J 25/00
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Actions or mechanisms not otherwise provided for [1, 2006.01]
B41J 27/00
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Inking apparatus [1, 2006.01]
B41J 29/00
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Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for [1, 2006.01]
B41J 31/00
Ink ribbonsInk-ribbon mechanisms
B41J 31/00
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Ink ribbonsRenovating or testing ink ribbons [1, 2006.01]
B41J 32/00
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Ink-ribbon cartridges [3, 2006.01]
B41J 33/00
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Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material [1, 2006.01]
B41J 35/00
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Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms [1, 2006.01]
B41K
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STAMPSSTAMPING OR NUMBERING APPARATUS OR DEVICES (marking meat A22C 17/10; embossing combined with printing B41F 19/00; selective printing mechanisms B41J; embossing decorations or marks B44B 5/00; marking or coding completed packages B65B 61/26; ticket printing and issuing, fare registering, non-printing aspects of franking apparatus G07B)
B41L
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APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSESADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES (printing presses or machines for industrial purposes B41F; stamps, stamping or numbering devices B41K)
B41M
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PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSESCOLOUR PRINTING (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C 1/16; fluid media for correction of typographical errors by coating C09D 10/00; printing textiles D06P)
B41N
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PRINTING PLATES OR FOILS (photosensitive materials G03)MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKEPREPARING SUCH SURFACES FOR USE OR CONSERVING THEM
B42
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BOOKBINDINGALBUMSFILESSPECIAL PRINTED MATTER
B43
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WRITING OR DRAWING IMPLEMENTSBUREAU ACCESSORIES
B44
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DECORATIVE ARTS
B60
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TRANSPORTING
B60
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VEHICLES IN GENERAL
B61
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RAILWAYS
B62
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B63
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SHIPS OR OTHER WATERBORNE VESSELSRELATED EQUIPMENT
B64
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AIRCRAFTAVIATIONCOSMONAUTICS
B65
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CONVEYINGPACKINGSTORINGHANDLING THIN OR FILAMENTARY MATERIAL
B66
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HOISTINGLIFTINGHAULING
B67
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OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERSLIQUID HANDLING
B68
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SADDLERYUPHOLSTERY
B81
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MICROSTRUCTURAL TECHNOLOGYNANOTECHNOLOGY
B81
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MICROSTRUCTURAL TECHNOLOGY [7]
B82
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NANOTECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY

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