CPC Definition - Subclass F26B
This place covers:
Processes and specific machines and arrangements for drying objects, solid materials or fluent materials containing solids by removing water or other liquids therefrom.
Processing, e.g. drying of harvested produce | |
Dairy products | |
Food and foodstuffs; their treatment, e.g. drying | |
Drying household articles | |
Drying gases and vapours | |
Physical Processes and their relevant apparatus | |
Centrifuges | |
Preparation or pre-treatment, e.g. drying, of plastics to be shaped | |
Presses in general | |
Cement Making | |
Drying of peat | |
Fuels, e.g. solid fuels not otherwise provided for | |
Drying yarns or fabrics in association with some other form of treatment | |
Drying textile articles | |
Production of cellulose, e.g. pulp | |
Impregnating or coating of paper | |
Regulating or controlling combustion | |
Feeding fuel to combustion apparatus | |
Drying, conditioning of air in general | |
Heat cycles, refrigeration | |
Furnaces, kilns, ovens in general | |
Details of furnaces, kilns and ovens in general | F27C |
Cables, conductors and insulators | |
Capacitors | |
Feeding waste products to combustion apparatus |
This place does not cover:
Drying gases and vapours | |
Evaporating of liquids | |
Treatment including a drying step of semiconductor substrates, e.g. wafers |
Attention is drawn to the following places, which may be of interest for search:
Apparatus for preserving meat, fish, eggs, fruit, vegetables by drying | A23B/03 |
Apparatus for preserving meat, fish, eggs, fruit, vegetables by freeze drying | A23B/037 |
Preservation of foodstuff by drying | |
Machines for drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts | |
Drying and activating adhesives in the process of glueing shoe parts | |
Drying of shoes during manufacture | |
Drying Hair | |
Drying razor blades | |
Body Drying Implements | |
Drying footwear | |
Physical or chemical process or apparatus in general for separating liquids from solids | |
Drying of gases, i.e. removing vapour, e.g. water vapour | |
Treating solid materials in general with rotating drums | |
Drying grain before milling | |
Pre- or after-treatment, e.g. drying or curing, of surfaces to which liquids, e.g. coatings or paints, are applied | |
Auxiliary treatment of plastic granules, i.e. after making them | |
Drying plastic pellets, e.g. before the extruder | |
Apparatus for making layered products for laminating, e.g. by curing or drying | |
Drying vehicle bodies, e.g. cars, after washing | |
Drying of matches | C01F1/06 |
Drying of sludge | |
Drying clay wares | |
Drying or dewatering of peat | |
Drying apparatus for fuels | |
Torrefying apparatus for fuels | |
Heating solid fuel briquettes of mineral origin | |
Solid biofuels | |
Drying leather or hides as part of the manufacturing process | |
Drying of retted fibres | |
Forcing gases through textile materials | |
Removing liquids from textile materials in association with previous liquid treatment | |
Supporting means for linen or garments to be dried | |
Domestic laundry dryer, e.g. tumbler | |
De-watering of pulp | |
Machines for preparing, e.g. heating and drying, of paving materials for roads | |
Apparatus for drying pavement | |
Drying of constructions, e.g. buildings, and keeping them dry | |
Drying of waste products by heat prior to combustion | |
Dewatering of waste products by mechanical means prior to combustion | |
Preparation of solid fuel prior to combustion, e.g. drying | |
Drying of solid fuel prior combustion | |
Equipment for the use of solar heat | |
Drying of photographic film in processing apparatus | G03D15/12 |
Drying step in manufacturing of electric cables | |
Drying step in manufacturing of electric insulators | |
Drying of, e.g. oil cooled, transformers | |
Drying, filling, purifying of, e.g. oil cooled, transformers | |
Drying step in manufacturing capacitors | |
Production of biofuels through pyrolysis |
Documents dealing with drying specific solid materials or objects belonging to other subclasses are classified in F26B only, if the disclosed drying process or machine is of general interest, i.e. not limited to the specific solid material or object.
This place covers:
Preliminary treatment, i.e. not the actual drying treatment, of solid materials or objects.
This place does not cover:
Applying a combustible liquid, which is burnt off later, onto the solid materials or objects | |
Dipping the solid materials or objects into, or mixing with, chemical liquids for subsequent drying |
Attention is drawn to the following places, which may be of interest for search:
Replacing liquid in wet solids by other liquid |
This place covers:
Drying solid materials or objects by processes applying heat as primary drying principle.
This place does not cover:
Processes involving direct heating, e.g. radiation, or indirect heating, e.g. convection, of the drying good merely as a measure to compensate cooling effects through evaporation, e.g. in a vacuum dryer | |
Heat generated by friction through ultrasonic vibrations | |
Condensing vapour other than steam onto the surface of the materials or objects to be dried |
Attention is drawn to the following places, which may be of interest for search:
Specific machines or apparatus (F26B 9/00 - F26B 19/00) being inherent to the process take precedence.
Therefore, inventions are additionally classified in F26B 3/00 only, if the invention information lies within the process as such.
In any case, inventions are classified in F26B 3/00, if adequate entries, i.e. classes, for machines or apparatuses do not exist.
This place does not cover:
Centrifugal fluidised beds |
Attention is drawn to the following places, which may be of interest for search:
Fluidised bed technique in general |
Attention is drawn to the following places, which may be of interest for search:
Freeze drying involving spraying | |
Preserving food in general by spray drying | |
Spray drying liquids | |
Spray drying liquids or solutions to obtain solids |
Attention is drawn to the following places, which may be of interest for search:
Heated fluid, other than combustion gases, in tubes or passages acting as radiative element | |
UV-curing of paint | |
Equipment for the use of solar heat |
Attention is drawn to the following places, which may be of interest for search:
Magnetrons for drying |
This place covers:
Drying solid materials or objects by processes applying a primary drying principle not involving heat.
Direct heating, e.g. radiation, or indirect heating, e.g. convection, of the drying good as measure to compensate cooling effects through evaporation are not considered to be a primary drying principle.
Separating a liquid product from solids by straining: B01D
Drying by electrophoresis: B01J
Centrifuges in general; details of construction:B04B
Attention is drawn to the following places, which may be of interest for search:
Apparatus for preserving meat, fish, eggs, fruit, vegetables by freeze drying | A23B/037 |
Preserving food in general by freeze drying | |
Domestic salad spin dryer | |
Replacing liquid in wet solids by other liquid | |
Physical or chemical process or apparatus for separating liquids from solids, in general | |
Centrifuges, details of construction | |
Metal rolling; removing liquids | |
Presses for squeezing out liquids | |
Cleaning, e.g. drying paint applying hand tools | |
Drying of peat using presses, rolls or centrifuges | |
Wringing machines for textile articles with two or more cooperating rollers | |
Apparatus of the press type for expelling water from textile articles | |
Domestic spin dryers for textile articles | |
Wet end, e.g. filter belt type, of machines for making a continuous web of paper | |
Drying of constructions or buildings using electricity, e.g. electro-osmosis | |
Dewatering of waste products by mechanical means prior to combustion |
This place covers:
by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
This place does not cover:
Applying a combustible liquid onto the material, the liquid being burnt off subsequently | |
Condensing vapour other than steam onto the surface of the material to be dried |
Attention is drawn to the following places, which may be of interest for search:
Replacing liquid in wet solids by other liquid |
Attention is drawn to the following places, which may be of interest for search:
Domestic salad spin dryer | |
Centrifuges | |
Cleaning, e.g. drying paint applying hand tools | |
Drying of peat using centrifuges | |
Domestic spin dryers for textile articles |
This place does not cover:
Machines for drying material of long length with progressive movement by applying suction |
Attention is drawn to the following places, which may be of interest for search:
Metal rolling; removing liquids | |
Wet end, e.g. filter belt type, of machines for making a continuous web of paper |
This place does not cover:
Machines for drying material of long length with progressive movement by applying pressure, brushing or wiping |
Attention is drawn to the following places, which may be of interest for search:
Metal rolling; removing liquids | |
Presses for squeezing out liquids | |
Drying of peat using presses or rolls | |
Wringing machines for textile articles with two or more cooperating rollers | |
Apparatus of the press type for expelling water from textile articles | |
Wet end, e.g. filter belt type, of machines for making a continuous web of paper |
This place does not cover:
Machines for drying material of long length with progressive movement by employing sorbent surfaces |
This place covers:
Drying solid materials or objects by processes using a synergy creating combination, opposed to a simple agglomeration, of a heat applying "hot" process and a "cold" process.
Documents classified in the combination group F26B 7/00 are also to be classified in the relevant "hot" group F26B 3/00, F26B 9/00 - F26B 19/00 respectively, and the relevant "cold" group F26B 5/00.
This place covers:
Machines or apparatus for drying "large" objects at rest.
Machines or apparatus for drying solid materials or "small" objects, e.g. bulk materials at rest or with local agitation, e.g. fixed or moving "small" stirrer in a "large" silo.
Attention is drawn to the following places, which may be of interest for search:
Ventilating means for stacks of agricultural products | |
Machines for drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts | |
Drying Hair | |
Drying razor blades | |
Body Drying Implements | |
Large containers having means for heating, cooling, aerating or other conditioning of contents | |
Supporting means for linen or garments to be dried | |
Domestic laundry drying cabinets | |
Drying or keeping dry of constructions, e.g. buildings |
Attention is drawn to the following places, which may be of interest for search:
Drying razor blades |
Attention is drawn to the following places, which may be of interest for search:
Roofs of drying chambers |
Attention is drawn to the following places, which may be of interest for search:
Ventilating means for stacks of agricultural products |
This place covers:
Machines or apparatus for drying solid materials or objects with primarily non-progressive, i.e. stirring, movement.
The movement of solid materials in e.g. horizontal rotating drums such as kilns is considered not primarily progressive even though opposed inlets and outlets are typically present.
Attention is drawn to the following places, which may be of interest for search:
Treating in general with rotating drums | |
Machines for preparing, e.g. heating and drying, of paving materials for roads |
Attention is drawn to the following places, which may be of interest for search:
Treating in general with rotating drums | |
Machines for preparing, e.g. heating and drying, of paving materials for roads |
Attention is drawn to the following places, which may be of interest for search:
Driving arrangements specific to drying machines in general |
Attention is drawn to the following places, which may be of interest for search:
Seals, locks for drying machines in general |
Attention is drawn to the following places, which may be of interest for search:
Charging and discharging of bulk materials to drying machines in general |
This place covers:
Arrangement for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heat transfer
Attention is drawn to the following places, which may be of interest for search:
Arrangements for supplying drying gas in general |
Attention is drawn to the following places, which may be of interest for search:
Machines for preparing, e.g. heating and drying, of paving materials for roads |
This place covers:
Machines and apparatus for drying materials in long length. The materials move progressively through the apparatus either in the form of a coil or uncoiled, e.g. in the form of a web.
This place does not cover:
Drying yarn hanks |
Attention is drawn to the following places, which may be of interest for search:
Drying fishing lines | |
Apparatus for making layered products for laminating, e.g. by curing or drying | |
Treating, e.g. drying, webs after printing | |
Drying filamentary material, e.g. sheets, webs or cables during package formation | |
Drying yarns during spinning or twisting | |
Forcing gases through textile materials | |
Removing liquids from textile materials in association with previous liquid treatment | |
Wet end, e.g. filter belt type, of machines for making a continuous web of paper | |
Dryer sections of machines for making a continuous web of paper | |
Paper-impregnating material characterized by its constitution | |
Paper-impregnating material characterized by its function, form or properties | |
Drying step in manufacturing of cables | |
Drying step in manufacturing of insulators |
Attention is drawn to the following places, which may be of interest for search:
Seal, looks in drying apparatus in general |
Attention is drawn to the following places, which may be of interest for search:
Metal rolling; removing liquids |
Attention is drawn to the following places, which may be of interest for search:
Drying process by contact with sorbent bodies |
Attention is drawn to the following places, which may be of interest for search:
Drying process applying pressure, brushing, wiping |
This place covers:
Machines or apparatus for drying objects or object-like batches, e.g. material in a container.
The objects or batches move progressively through the machine or apparatus.
This place covers:
Machines or apparatus for drying materials in loose form, plastic or fluidized form.
The materials move progressively through the machine or apparatus.
This place does not cover:
Machines with primarily non-progressive movement of materials, e.g. mixing of materials | |
Fibres forming a material of long length, e.g. yarn, web |
Attention is drawn to the following places, which may be of interest for search:
Machines for drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts | |
Drying tobacco | |
Drying grain before milling | |
Treatment, e.g. drying of wood particles in the production of pressed articles, e.g. boards |
The movement of materials through rotating drums, e.g. kiln, is considered non-progressive; rotating drums are therefore classified in F26B 11/00
Attention is drawn to the following places, which may be of interest for search:
Process with stationary surface conducting heat |
Attention is drawn to the following places, which may be of interest for search:
Apparatus using free vortex flow for separating in general |
This place does not cover:
Drying processes for loose materials involving a fluidised bed |
Attention is drawn to the following places, which may be of interest for search:
Jet Mills, e.g. for drying and milling, having a cyclone or vortex type flow pattern | |
Apparatus using free vortex flow for separating in general |
Attention is drawn to the following places, which may be of interest for search:
Drying plastic pellets, e.g. before the extruder |
Attention is drawn to the following places, which may be of interest for search:
Auxiliary treatment of plastic granules, e.g. after making them |
Attention is drawn to the following places, which may be of interest for search:
Auxiliary treatment of plastic granules, e.g. after making them |
This place covers:
Miscellaneous machines and machines of any type for drying solid materials or objects featuring a self contained mobile arrangement, the drying taking place with the mobile machine at rest or with moving machine, e.g. moving along or around the large object to be dried.
Combinations of two or more non-mobile machines individually covered by groups F26B 9/00 - F26B 17/00 to be classified in F26B 20/00.
Self contained mobile devices to be classified also in the relevant "stationary" groups F26B 9/00 - F26B 19/00.
This place does not cover:
Small self-contained devices for drying objects at rest |
Attention is drawn to the following places, which may be of interest for search:
Movable devices with radiation means | |
Harvester with Dryer | |
Large containers having means for heating, cooling, aerating or other conditioning of contents | |
Apparatus for drying pavement | |
Drying, or keeping dry, of constructions, e.g. buildings |
This place covers:
Combinations of machines or apparatus, either creating a synergetic effect or being a simple agglomeration, covered by two or more of groups F26B 9/00 - F26B 19/00.
This place covers:
Arrangements for supplying drying air or gases or steam to the drying apparatus or directly to (or into) the object or solid materials.
Arrangements for routing and circulating the drying air or gases or steam.
Arrangements for controlling the properties of drying air or gases or steam.
Condensing vapour other than steam onto the surface of the materials or objects to be dried.
This place does not cover:
Machines or apparatus for drying solid materials in the open air or in large rooms featuring drying air supply arrangements |
Attention is drawn to the following places, which may be of interest for search:
Processes condensing steam onto the surface of the materials or objects to be dried | |
Details, component parts of blowers in general | |
Valves in general |
Attention is drawn to the following places, which may be of interest for search:
Apparatus for drying pavement | |
Drying of constructions, e.g. buildings |
This place does not cover:
Small self contained devices | |
Drying air channels placed in a stack |
Attention is drawn to the following places, which may be of interest for search:
Drying footwear |
Attention is drawn to the following places, which may be of interest for search:
Drying fire hoses | |
Providing support for textile articles to be dried, such as garments, gloves or stockings |
Attention is drawn to the following places, which may be of interest for search:
Separation of gases and vapours by absorption in general | |
Drying gases |
Attention is drawn to the following places, which may be of interest for search:
Separation of gases and vapors by adsorption in general | |
Drying gases by adsorption |
Attention is drawn to the following places, which may be of interest for search:
Treatment of dryer exhaust gas by e.g. condensation | |
Solvent recovery by condensation | |
Solvent recovery by sublimation | |
Separation of gases and vapours by condensation in general | |
Drying gases by condensation |
Attention is drawn to the following places, which may be of interest for search:
Processes condensing steam onto the surface of the materials or objects to be dried |
This place covers:
Heating arrangements providing a heat source for drying machines, located outside or within the drying enclosure.Drying air, gas, steam or vapour supply arrangements.
This place does not cover:
Radiation heating the drying good |
Attention is drawn to the following places, which may be of interest for search:
Waste heat recuperation with combustion |
This place does not cover:
Combustion for generating IR radiation, either through flame radiation or combustion heated tubes | |
Heating rollers for drying materials of long length | |
Drying-air generating units |
Attention is drawn to the following places, which may be of interest for search:
Arrangements of gas flames for drying materials of long length | |
Waste combustion control aspects | |
Regulating or controlling combustion |
Attention is drawn to the following places, which may be of interest for search:
Using combustion flue gas to predry fuel |
This place covers:
Details of machines or processes other than arrangements of drying air or gas supply or heating arrangements such as:
Cleaning arrangements, e.g. for drying chambers.
Loading, unloading and other handling of objects or materials to be dried or dried.
Treatment of dryer exhaust gases.
Seals, locks and air curtains for drying enclosures.
Alarm, safety and fire protection systems.
Driving mechanisms specific for drying machines.
Agitating, stirring or scraping devices.
Drying chambers and parts thereof.
Rollers, e.g. for conveying specific to drying machines and their requirements.
Controlling the drying process depending on the liquid content of dried material or wet material being charged.
This place does not cover:
Driving mechanisms for rotary drums, e.g. kiln | |
Arrangements for gas sealing drum dryers, e.g. kilns | |
Loading and unloading materials in rotary drums, e.g. kilns | |
Seals, locks for web drying enclosures | |
Rollers and driving mechanisms for rollers for drying material of long length | |
Treatment of dryer exhaust gas through incineration of volatiles | |
Loading and unloading of wicket conveyor | |
Material feeding means for pneumatic, flash or vortex dryers | |
Safety and fire protection system using inert gases | |
Driving mechanisms covered by another subclass, e.g. regarding centrifuges |
Attention is drawn to the following places, which may be of interest for search:
Mixing or backmixing of wet materials to be charged, thus changing the liquid content | |
Drying process involving brushing or wiping | |
Stationary drying chamber with mechanical agitating device | |
Loading and unloading materials in rotary drums, e.g. kilns | |
Moving stirring devices in stationary drums | |
Moving stirring devices in stationary dishes, tray or pans | |
Arrangements for wiping material of long length, e.g. webs | |
Scraping device to remove dried material from roller or disc, e.g. doctor blade | |
Large containers having means for heating, cooling, aerating or other conditioning of contents | |
Loading, conveying and unloading in general | |
Driving mechanisms in connection with general conveying machines |
This place does not cover:
Loading and unloading materials in rotary drums, e.g. kilns | |
Material feeding means for pneumatic, flash or vortex dryers |
Attention is drawn to the following places, which may be of interest for search:
Loading and unloading materials in rotary drums, e.g. kilns | |
Material feeding means for pneumatic, flash or vortex dryers | |
Devices for feeding particles into and evacuation of particles out of the reactor |
This place does not cover:
Arrangements for gas sealing drum dryers, e.g. kilns | |
Seals, locks for web drying enclosures |
Attention is drawn to the following places, which may be of interest for search:
Seals in general |