| A | SK | SECTION A — HUMAN NECESSITIES |
| A21 | USK | FOODSTUFFS; TOBACCO |
| A21 | KL | BAKING; EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; DOUGHS FOR BAKING [1, 2006.01] |
| A21B | UKL | BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING (domestic baking equipment A47J 37/00; combustion apparatus F23; domestic stoves or ranges being wholly or partly ovens F24B, F24C) |
| A21B 1/00 | HGR | Bakers' ovens |
| A21B 1/02 | UGR1 | | . | characterised by the heating arrangements |
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| A21B 1/04 | UGR2 | | . . | Ovens heated by fire before baking only |
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| A21B 1/06 | UGR2 | | . . | Ovens heated by radiators |
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| A21B 1/08 | UGR3 | | . . . | by steam-heated radiators |
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| A21B 1/10 | UGR3 | | . . . | by radiators heated by fluids other than steam |
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| A21B 1/14 | UGR3 | | . . . | Arrangement of radiators |
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| A21B 1/22 | UGR3 | | . . . | by electric radiators (A21B 2/00 takes precedence; electric heating elements H05B) |
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| A21B 1/24 | UGR2 | | . . | Ovens heated by media flowing therethrough |
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| A21B 1/26 | UGR3 | |
| A21B 1/28 | UGR3 | | . . . | by gaseous combustion products |
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| A21B 1/33 | UGR2 | | . . | Ovens heated directly by combustion products (A21B 1/04 takes precedence) |
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| A21B 1/36 | UGR2 | |
| A21B 1/40 | UGR1 | | . | characterised by the means for regulating the temperature (temperature-sensitive elements G01K) |
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| A21B 1/42 | UGR1 | | . | characterised by the baking surfaces moving during the baking (conveying in general B65G) |
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| A21B 1/44 | UGR2 | | . . | with surfaces rotating in a horizontal plane |
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| A21B 1/46 | UGR2 | | . . | with surfaces suspended from an endless conveyer or a revolving wheel |
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| A21B 1/48 | UGR2 | | . . | with surfaces in the form of an endless band |
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| A21B 1/50 | UGR1 | | . | characterised by having removable baking surfaces |
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| A21B 1/52 | UGR1 | | . | Portable ovens; Collapsible ovens (travelling or camp cookers A47J 33/00) |
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| A21B 2/00 | HGR | Baking apparatus employing high-frequency or infra-red heating |
| A21B 3/00 | HGR | Parts or accessories of ovens |
| A21B 3/02 | UGR1 | | . | Doors; Flap gates (general features of doors E06B) |
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| A21B 3/04 | UGR1 | | . | Air-treatment devices for ovens, e.g. regulating humidity |
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| A21B 3/07 | UGR1 | | . | Charging or discharging ovens (A21B 3/18 takes precedence) |
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| A21B 3/10 | UGR1 | | . | Means for illuminating ovens |
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| A21B 3/13 | UGR1 | | . | Baking-tins; Baking forms |
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| A21B 3/15 | UGR1 | | . | Baking sheets; Baking boards |
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| A21B 3/16 | UGR1 | | . | Machines for cleaning or greasing baking surfaces |
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| A21B 3/18 | UGR1 | | . | Discharging baked goods from tins (unpacking in general B65B 69/00) |
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| A21B 5/00 | HGR | Baking apparatus for special goods; Other baking apparatus |
| A21B 5/02 | UGR1 | | . | Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like |
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| A21B 5/03 | UGR2 | | . . | for baking pancakes (frying pans A47J 37/10) [3] |
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| A21B 5/04 | UGR1 | | . | Apparatus for baking cylindrical cakes on spits |
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| A21B 5/06 | UGR1 | | . | Apparatus for baking in salt solution, e.g. for making pretzels |
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| A21B 5/08 | UGR1 | | . | Apparatus for baking in baking fat or oil, e.g. for making doughnuts |
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| A21B 7/00 | HGR | Baking plants |