| IPC 7 English version |
 F26 - F26B 15/26 |
| F26B01700-F26B02522 |
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| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 26 | DRYING |
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| F 26 B | DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM (drying devices for combines A01D 41/133; racks for drying fruit or vegetables A01F 25/12; drying foodstuffs A23; drying hair A45D 20/00; body-drying implements A47K 10/00; drying household articles A47L; drying gases or vapours B01D; chemical or physical processes for dewatering or like separating liquids from solids B01D 43/00; centrifugal apparatus B04; drying ceramics C04B 33/30; drying yarns or fabrics in association with some other form of treatment D06C; drying frames for laundry without heating or positive air circulation, domestic laundry-or spin-driers, wringing or hot pressing laundry D06F; furnaces, kilns, ovens F27) |
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17/ | 00 | Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B 13/00 takes precedence) |
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17/ | 02 | . | with movement performed by belts carrying the materials; with movement performed by belts propelling the materials over stationary surfaces |
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17/ | 04 | . | . | the belts being all horizontal or slightly inclined (F26B 17/08 takes precedence) |
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17/ | 06 | . | . | the belts being all vertical or steeply inclined (F26B 17/08 takes precedence) |
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17/ | 08 | . | . | the belts being arranged in a sinuous or zig-zag path |
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17/ | 10 | . | with movement performed by fluid currents, e.g. issuing from a nozzle (F26B 3/08 takes precedence) [5] |
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17/ | 12 | . | with movement performed solely by gravity |
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17/ | 14 | . | . | the materials moving through a counter-current of gas |
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17/ | 16 | . | . | the materials passing down a heated surface |
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17/ | 18 | . | with movement performed by rotating helical blades or other rotary conveyers moving materials in stationary chambers |
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17/ | 20 | . | . | the axis of rotation being horizontal or slightly inclined |
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17/ | 22 | . | . | the axis of rotation being vertical or steeply inclined |
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17/ | 24 | . | with movement performed by shooting or throwing the materials |
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17/ | 26 | . | with movement performed by reciprocating or oscillating conveyers propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays |
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17/ | 28 | . | with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve |
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17/ | 30 | . | with movement performed by rotary or oscillating containers; with movement performed by rotary floors |
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17/ | 32 | . | . | the movement being in a horizontal or slightly-inclined plane |
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17/ | 34 | . | . | the movement being in a vertical or steeply-inclined plane |
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19/ | 00 | Machines or apparatus for drying solid materials or objects not covered by groups F26B 9/00 to F26B 17/00 |
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20/ | 00 | Combinations of machines or apparatus covered by two or more of groups F26B 9/00 to F26B 19/00 |
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| Details of general application |
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21/ | 00 | Arrangements for supplying or controlling air or gases for drying solid materials or objects (air-conditioning or ventilation in general F24F) |
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21/ | 02 | . | Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure (F26B 21/14 takes precedence) |
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21/ | 04 | . | . | partly outside the drying enclosure |
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21/ | 06 | . | Controlling, e.g. regulating, parameters of gas supply (F26B 21/14 takes precedence) |
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21/ | 08 | . | . | Humidity |
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21/ | 10 | . | . | Temperature; Pressure |
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21/ | 12 | . | . | Velocity of flow; Quantity of flow |
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21/ | 14 | . | using gases or vapours other than air or steam |
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23/ | 00 | Heating arrangements (using heated air or gases F26B 21/00) |
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23/ | 02 | . | using combustion heating (F26B 23/10 takes precedence) |
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23/ | 04 | . | using electric heating (F26B 23/10 takes precedence) |
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23/ | 06 | . | . | resistance heating |
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23/ | 08 | . | . | inductive heating; capacitative heating; microwave heating |
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23/ | 10 | . | using tubes or passages containing heated fluids |
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25/ | 00 | Details of general application not covered by group F26B 21/00 or F26B 23/00 (loading, conveying, or unloading in general B65G) |
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25/ | 02 | . | Applications of driving mechanisms, not covered by another subclass |
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25/ | 04 | . | Agitating, stirring, or scraping devices |
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25/ | 06 | . | Chambers, containers, or receptacles |
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25/ | 08 | . | . | Parts thereof |
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25/ | 10 | . | . | . | Floors, roofs, or bottoms; False bottoms |
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25/ | 12 | . | . | . | Walls or sides; Doors |
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25/ | 14 | . | . | Chambers, containers, receptacles of simple construction |
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25/ | 16 | . | . | . | mainly closed, e.g. drum |
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25/ | 18 | . | . | . | mainly open, e.g. dish, tray, pan |
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25/ | 20 | . | Rollers (F26B 25/06 takes precedence) |
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25/ | 22 | . | Controlling the drying process in dependence on liquid content of solid materials or objects |
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| F26 - F26B 15/26 |  |
