Cooperative Patent Classification

CPC Definition - Subclass A21C

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Last Updated Version: 2016.11
MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
Definition statement

This place covers:

Machines or Equipment, including e.g. hand tools or trays, for preparing, shaping and processing edible dough, namely for mixing, kneading, dividing, working, forming, shaping, cutting, proving, handling the dough before the baking, cooking or prebaking process with optional subsequent freezing.

Machines or equipment, including hand tools, for handling baked or prebaked articles made from edible dough.

References
Limiting references

This place does not cover:

Dough and dough or bakery products as such, e.g. chemical treatment, recipes, preservation

Pasta and noodles as such

Informative references

Attention is drawn to the following places, which may be of interest for search:

Baker's ovens; machines or equipment for baking

Confectionary

Machines for shaping or working of foodstuff not fully covered by other subclasses, e.g. A21C

Machines for mixing

Machines for packaging articles

Machines for arranging, feeding or orienting biscuits

Transport or storage devices in general

Measuring or metering of fluent solids other than dough by volume

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Dough

is understood to be an edible substance being baked before consumption. The dough can be in a semi-liquid state, e.g. batter, or the dough can be a pasty.

Mixing or kneading machines for the preparation of dough (domestic mixing or kneading machines A47J 43/00, A47J 44/00; {mixing in general B01F; mixing or kneading of substances in a plastic state in general B29B 7/00})
Definition statement

This place covers:

Devices for the mixing and/or kneading of dough, this preparation only concerning the mechanical aspects of it, i.e. the mixing of the individual components to obtain a homogeneous dough and/or its subsequent mechanical kneading to achieve the desired consistency.

References
Limiting references

This place does not cover:

In general, methods or devices which are directed to the chemical aspects of the dough preparation (e.g. chemical composition, use of specific additives, operating steps intended to modify the properties of the dough -consistency, leavening, development of the mass, preparation for the baking step, etc.-) not being directly related to the mixing and/or kneading machine

Informative references

Attention is drawn to the following places, which may be of interest for search:

Mixing devices in domestic bread preparation machines

Household appliances

Mixing in general

Special rules of classification

In this subclass, as a general rule, the type of dough mixer is to be specified, as well as the specific structural elements which are characteristic of this kind of device.

Additional details of the mixing or kneading device for which no specific classification information can be found in A21C 1/00 are classified under the corresponding sub-groups of B01F (mixing in general).

{Methods}
Definition statement

This place covers:

Purely mechanical methods for operating a dough mixing or kneading machine.

Example:

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with vertically-mounted tools; Machines for whipping or beating
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Mixing deviceswith relative displacement between stirrer and receptacle

{by calendering, i.e. working between rollers (using rollers for shaping dough A21C 3/02)}
Definition statement

This place covers:

For example:

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{having a receptacle rotating about a vertical axis cooperating with rotary rollers}
Definition statement

This place covers:

For example:

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{Drives}
References
Limiting references

This place does not cover:

Drive units, transmissions, brakes or couplings per se, i.e. when said elements and/or their details are the essential part of the described or claimed invention.

Wind motors

Hydraulic motors

Brakes

Couplings

Transmissions

Electric motors

{Safety arrangements (A21C 1/1485 takes precedence)}
References
Limiting references

This place does not cover:

Doors; Closures; Operating, e.g. safety, mechanisms of mixing or kneading machines

Safety devices in general

{Arrangements for cooling or heating (receptacles with means for guiding fluids per se A21C 1/149); Arrangements for applying super- or sub-atmospheric pressure}
Definition statement

This place covers:

Heating or cooling elements in combination with the mixing device, the specific details of the heat-exchange means not being of relevance.

References
Limiting references

This place does not cover:

Receptacles with means for guiding fluids per se

Heat exchangers in general

F28

Machines or apparatus for shaping batches of dough before sub-division
Definition statement

This place covers:

Machines for shaping dough, supplied in batches or continuously, to a semi-finished products, followed by sub-division and/or another shaping step.

Machines for twisting discrete strips of dough to obtain the final shape, e.g. for making pretzel.

Machines for twisting strips of dough followed by sub-division to obtain the final shape.

Machines for coiling sheets of dough to obtain the final shape or followed by sub-division.

References
Limiting references

This place does not cover:

Dough extruding machines producing a string already having the final shape, with or without following cutting step

Dough-dividing machines
Definition statement

This place covers:

Machines for dividing batches of dough or batter, i.e. semi-liquid dough, into equally sized portions.

References
Limiting references

This place does not cover:

Dough dividing apparatus followed by a merging, e.g. sheeting step to obtain a semi-finished product

{for dispensing liquid or semi-liquid dough, e.g. batter}
Definition statement

This place covers:

Dough-dividing machines for dividing liquid or semi-liquid dough by intermittently dispensing.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Batter dispensing and baking apparatus, e.g. for pancakes

with division boxes and ejection plungers
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Apparatus for measuring fluent solid materials with piston type measuring chambers

with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger {(A21C 7/06 takes precedence)}
Special rules of classification

Dividers featuring cutter blades other than radial, e.g. having a square pattern, are also classified in this group.

Machines which homogenise the subdivided dough by working other than by kneading
Definition statement

This place covers:

Machines for working or rounding discrete dough portions.

References
Limiting references

This place does not cover:

Kneading dough

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • "working, rounding (E)", "wirken (G)" and "travailler (F)"
combined with dividing machines with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Dough dividing machines which, as an additional feature, homogenise the dough

Special rules of classification

Machines combined with dividers featuring cutter blades other than radial, e.g. having a square pattern, are also classified in this group.

Other apparatus for handling dough or dough pieces
Definition statement

This place covers:

Other apparatus for handling (opposed to shaping or forming) dough or dough pieces in the broadest sense not covered by groups A21C 3/00 - A21C 7/00 and A21C 13/00 - A21C 14/00, such as:

Apparatus for conveying, positioning dough or dough pieces or dough carriers, e.g. tins or pans.

Apparatus for filling, e.g. by injection or folding, and apparatus for coating dough pieces, e.g. by brushing on a coating with a sweeping action, and laminating dough sheets.

Other apparatus like hand tools, dust hoods, cleaning arrangements and trays.

Apparatus for spreading granular material on, or sweeping or coating the surfaces of, pieces or sheets of dough {(coating baked articles A21C 15/002)}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Coated foodstuff

Breading apparatus

Depositing, arranging and conveying apparatus for handling pieces, e.g. sheets of dough {(for handling liquid or semi-liquid dough, e.g. batter A21C 5/006)}
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Charging or discharging ovens

Other machines for forming the dough into its final shape before cooking or baking
Definition statement

This place covers:

Machines not covered in A21C 3/00 - A21C 9/00 performing the final shaping or slitting of the dough prior to baking or cooking, of e.g. pasta.

Apparatus for slotting, slitting or perforating the surface of pieces of dough
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Slitting apparatus or tool per se

Provers, i.e. apparatus permitting dough to rise {(testing dough properties G01N 33/10)}
Definition statement

This place covers:

Climate controlled spaces or chambers for dough.

Relationships with other classification places

Prover combined with oven are classified also in A21B.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Prover combined with oven

Treating methods for dough prior to baking

Testing dough properties

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • "proofer, prover, proofing, proving, to proof, to prove, rise, rising (E)", "Gärschrank, gären, treiben, aufgehen (G)" and "fermenter, cuver (F)"
Machines or equipment for making or processing dough, not provided for in other groups of this subclass
Definition statement

This place covers:

Machines or equipment for making or processing dough, not provided for in other groups of this subclass, e.g. apparatus, devices and hand tools used for marking dough.

Apparatus for handling baked articles
Definition statement

This place covers:

Apparatus for handling and refining baked articles.

Apparatus for specifically cutting baked articles other than bread.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Discharging baked goods from tins

Cutting or slicing bread

Machines for packaging articles in general

Machines for arranging, feeding, orientating and packaging biscuits

Transport and Storage Devices in general

{of which at least the dispensing part is hand-held, e.g. comprising a flexible container, pouch or gun-like applicator}
Definition statement

This place covers:

Apparatus for coating the surface of baked articles comprising a stationary part, e.g. a tank and a hand-held dispensing part, e.g. a gun-like applicator.

Apparatus for coating the surface of baked articles being entirely hand-held.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Piping Bags for confectionary

Apparatus for shaping or moulding baked wafers; Making multi-layer wafer sheets
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Apparatus for baking wafers

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Wafer

any sheet like baked product being, at ambient temperature, either rigid or soft

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • "waffle, wafer (E)","gaufre (F)" and "Waffel (G)"
Cutting or slicing machines or devices specially adapted for baked articles other than bread (for cutting or slicing bread B26B, B26D)
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Cutting e.g. pies in segments

Halving buns