IPC Classification

Class code (prefix) Descriptions Number of results
F26B 1/00 Preliminary treatment of solid materials or objects to facilitate drying
F26B 3/00 Drying solid materials or objects by processes involving the application of heat
F26B 3/02 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
F26B 3/04 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over, or surrounding, the materials or objects to be dried
F26B 3/06 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
F26B 3/08 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
F26B 3/10 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
F26B 3/12 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it in the form of a spray
F26B 3/14 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the materials or objects to be dried being moved by gravity
F26B 3/16 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the materials or objects to be dried being moved by gravity in a counter-flow of the gas or vapour
F26B 3/18 Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
F26B 3/20 Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface
F26B 3/22 Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration
F26B 3/24 Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration the movement being rotation
F26B 3/26 Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration the movement being performed by gravity
F26B 3/28 Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
F26B 3/30 Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
F26B 3/32 Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried
F26B 3/34 Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried by using electrical effects
F26B 3/36 Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried by using mechanical effects, e.g. by friction
F26B 3/084 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed
F26B 3/088 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed using inert thermally-stabilised particles
F26B 3/092 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
F26B 3/097 Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed using a magnetic field to stabilise the fluidised bed
F26B 3/347 Electromagnetic heating, e.g. induction heating or heating using microwave energy
F26B 3/353 Resistance heating
F26B 5/00 Drying solid materials or objects by processes not involving the application of heat
F26B 5/02 Drying solid materials or objects by processes not involving the application of heat by using ultrasonic vibrations
F26B 5/04 Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
F26B 5/06 Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
F26B 5/08 Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
F26B 5/10 Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment the process involving freezing
F26B 5/12 Drying solid materials or objects by processes not involving the application of heat by suction
F26B 5/14 Drying solid materials or objects by processes not involving the application of heat by wiping
F26B 5/16 Drying solid materials or objects by processes not involving the application of heat by admixture with sorbent materials
F26B 7/00 Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups or
F26B 9/00 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
F26B 9/02 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in buildings
F26B 9/04 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in presses or clamping devices
F26B 9/06 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
F26B 9/08 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices
F26B 9/10 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in pans or tables in rooms; Drying stacks of loose material
F26B 11/00 Machines or apparatus for drying solid materials or objects with movement which is non-progressive
F26B 11/02 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
F26B 11/04 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
F26B 11/06 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with stirring devices which are held stationary
F26B 11/08 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a vertical or steeply-inclined axis
F26B 11/10 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a vertical or steeply-inclined axis with stirring devices which are held stationary
F26B 11/12 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
F26B 11/14 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
F26B 11/16 Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
F26B 11/18 Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
F26B 11/20 Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles with stirring devices which are held stationary
F26B 11/22 Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in stationary dishes, trays, pans, or other mainly-open receptacles, with moving stirring devices
F26B 13/00 Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
F26B 13/02 Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a straight line
F26B 13/04 Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a straight line using rollers
F26B 13/06 Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a sinuous or zig-zag path
F26B 13/08 Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a sinuous or zig-zag path using rollers
F26B 13/10 Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
F26B 13/12 Controlling movement, tension or position of material
F26B 13/14 Rollers
F26B 13/16 Rollers perforated
F26B 13/18 Rollers cooled
F26B 13/20 Supporting materials by fluid jets, e.g. air
F26B 13/22 Arrangements of gas flames
F26B 13/24 Arrangements of devices using drying processes not involving heating
F26B 13/26 Arrangements of devices using drying processes not involving heating using sorbent surfaces, e.g. bands or coverings on rollers
F26B 13/28 Arrangements of devices using drying processes not involving heating for wiping
F26B 13/30 Arrangements of devices using drying processes not involving heating for applying suction, e.g. through perforated rollers
F26B 15/00 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
F26B 15/02 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle
F26B 15/04 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a horizontal plane
F26B 15/06 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a horizontal plane involving several planes, one above the other
F26B 15/08 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a vertical plane
F26B 15/10 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound
F26B 15/12 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all horizontal or slightly inclined
F26B 15/14 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks
F26B 15/16 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all horizontal or slightly inclined the objects or batches of materials being carried by wheeled trucks
F26B 15/18 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
F26B 15/20 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all vertical or steeply inclined
F26B 15/22 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all vertical or steeply inclined the objects or batches of materials being carried by endless belts
F26B 15/24 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound the lines being all vertical or steeply inclined the objects or batches of materials being carried by endless belts in a zig-zag path
F26B 15/26 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a helical path
F26B 17/00 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
F26B 17/02 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts propelling the materials over stationary surfaces
F26B 17/04 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
F26B 17/06 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts propelling the materials over stationary surfaces the belts being all vertical or steeply inclined
F26B 17/08 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts propelling the materials over stationary surfaces the belts being arranged in a sinuous or zig-zag path
F26B 17/10 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle
F26B 17/12 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity
F26B 17/14 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity the materials moving through a counter-current of gas
F26B 17/16 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity the materials passing down a heated surface
F26B 17/18 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors moving materials in stationary chambers
F26B 17/20 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors moving materials in stationary chambers the axis of rotation being horizontal or slightly inclined
F26B 17/22 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors moving materials in stationary chambers the axis of rotation being vertical or steeply inclined
F26B 17/24 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by shooting or throwing the materials
F26B 17/26 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by reciprocating or oscillating shelves, sieves or trays
F26B 17/28 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve
F26B 17/30 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary floors
F26B 17/32 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary floors the movement being in a horizontal or slightly-inclined plane
F26B 17/34 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary floors the movement being in a vertical or steeply-inclined plane
F26B 19/00 Machines or apparatus for drying solid materials or objects not covered by groups
F26B 20/00 Combinations of machines or apparatus covered by two or more of groups
F26B 21/00 Arrangements for supplying or controlling air or gases for drying solid materials or objects
F26B 21/02 Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
F26B 21/04 Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
F26B 21/06 Controlling, e.g. regulating, parameters of gas supply
F26B 21/08 Humidity
F26B 21/10 Temperature; Pressure
F26B 21/12 Velocity of flow; Quantity of flow
F26B 21/14 Arrangements for supplying or controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam
F26B 23/00 Heating arrangements
F26B 23/02 Heating arrangements using combustion heating
F26B 23/04 Heating arrangements using electric heating
F26B 23/06 Heating arrangements using electric heating resistance heating
F26B 23/08 Heating arrangements using electric heating microwave heating
F26B 23/10 Heating arrangements using tubes or passages containing heated fluids
F26B 25/00 DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM - Details of general application not covered by group or
F26B 25/02 Applications of driving mechanisms, not covered by another subclass
F26B 25/04 Agitating, stirring, or scraping devices
F26B 25/06 Chambers, containers, or receptacles
F26B 25/08 Parts thereof
F26B 25/10 Floors, roofs, or bottoms; False bottoms
F26B 25/12 Walls or sides; Doors
F26B 25/14 Chambers, containers, receptacles of simple construction
F26B 25/16 Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
F26B 25/18 Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan
F26B 25/20 Rollers
F26B 25/22 Controlling the drying process in dependence on liquid content of solid materials or objects