CPC Definition - Subclass B08B
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Cleaning agricultural implements | |
Cleaning milking machines or devices | |
Machines for cleaning baking surfaces of bakers' ovens | |
Apparatus for cleaning systems used for the production of frozen sweets, e.g. ice-cream | |
Machines for washing fruits or vegetables, e.g. coffee, cocoa or nuts | |
Helmet visors with cleaning means, e.g. wipers | |
Devices specially adapted for cleaning shavers or razors | |
Devices for cleaning brushes after use | |
Cleaning devices for beverage-making apparatus | |
Hand tools for cleaning toilet bowls | |
Domestic washing or cleaning | |
Cleaning devices specially adapted for surgical instruments | |
Cleaning devices for bed-pans, urinal or other sanitary devices for bed-ridden purposes | |
Devices for cleaning balls | |
Cleaning or maintenance of golf clubs, putters, shoes or other golf accessories | |
Devices for cleaning handles or grips of golf clubs, bats, rackets or the like | |
Apparatus for cleaning bowling balls, pins or alleys | |
Arrangements for cleaning spraying plant or spraying apparatus | |
Cleaning of work in metal-rolling mills | |
Cleaning dies, ducts, containers or mandrels | |
Devices for cleaning metal products in connection with metal-working without essentially removing material | |
Mechanical cleaning, e.g. skimming of molten metals | |
Grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface | |
Cleaning of grinding wheels | |
Devices for means for dressing, cleaning or otherwise conditioning lapping tools | |
Abrasive or related blasting with particulate material, e.g. sand-blasting | |
Cleaning of articles shaped from ceramic compositions, slag or mixtures containing cementitious material | |
Cleaning of moulds or cores used to shape or join plastics | |
Cleaning of extrusion moulding apparatus used to shape plastics | |
Cleaning of plastic objects made by additive manufacturing | |
Cleaning ink jet nozzles | |
Implements or apparatus for removing dry paint from surfaces, e.g. by scraping or by burning | |
Cleaning of vehicles, not otherwise provided for | |
Preventing hull fouling | |
Cleaning devices for hulls | |
Cleaning aircraft | |
Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles | |
Cleaning devices for conveyor screws and conveyors | |
Concurrent cleaning, filling and closing of bottles | |
Cleaning beverage-dispensing apparatus | |
Cleaning of fibres or filaments made from glass, minerals or slags, e.g. for reuse | |
Preventing or removing incrustations from coke ovens | |
Detergent compositions; Use of single substances as detergents; Soap or soap-making; Resin soaps | |
Cleaning or de-greasing of metallic material by chemical methods other than electrolysis | |
Cleaning fibres | |
Cleaning carding surfaces | |
Cleaning of running surfaces of open-end spinning machines or arrangements | |
Arrangements maintaining drafting elements free of fibre accumulations | |
Auxiliary apparatus combined with or associated with looms for treating warp, e.g. cleaning | |
Laundering | |
Cleaning streets, permanent ways, beaches or land | |
Devices or arrangements for removing snow, ice or debris from gutters or for preventing accumulation thereof | |
Cleaning of building forms | |
Parts, details or accessories of swimming or splash baths or pools, specially adapted for cleaning | |
Methods or apparatus for cleaning boreholes or wells | |
Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines | |
Cleaning wind motors | |
Devices or arrangements for removing water, minerals or sludge from boilers | |
Cleaning furnace tubes; Cleaning flues or chimneys | |
Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning | |
Cleaning or removing snow from solar heat collectors | |
Devices for removing incrustations from furnaces | |
Cleaning heat-transfer conduits, e.g. water tubes of boilers | |
Cleaning arrangements for small arms and ordnance | |
Preparing specimens for investigation by cleaning | |
Preventing of contamination of analytical optical means | |
Cleaning of geophysical equipment or seismic cables | |
Cleaning spectacle frames or lenses, sunglasses, goggles or contact lenses | |
Cleaning or inspecting masks, photomasks, reticles, mask blanks or pellicles | |
Machines or apparatus for cleaning watches | |
Cleaning record carriers | |
Cleaning of electric incandescent lamp vessels | |
Process and apparatus for cleaning semiconductors | |
Devices for removing snow or ice from lines or cables | |
Cleaning arrangements in combination with photovoltaic modules | |
Cleaning the conductive pattern of printed circuits |
Attention is drawn to the following places, which may be of interest for search:
Manufacture of brushes | |
Separation of particles from liquids or gases | |
Separation of solid materials | |
Centrifugal apparatus or machines for carrying-out physical or chemical processes | |
Turning; Boring | |
Soldering | |
Hand tools; Portable power-driven tools; Manipulators | |
Treatment of water in general | |
Anti-icing materials | |
Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Intestine-splitting | |
Inhibiting corrosion or incrustation in general | |
Air-conditioning or ventilation | |
Preventing or removing electrostatic charges |
This place covers:
The mechanical cleaning of articles by means of mechanical members such as tools, brushes, or analogous members, with or without the application of fluid.
This place does not cover:
Cleaning hollow articles by methods or apparatus specially adapted thereto |
In this place, the following terms or expressions are used with the meaning indicated:
wipe(n) | a piece of cloth or paper, optionally treated with a cleaning agent or solution, for cleaning articles by wiping |
wiper | a cleaning element comprising a flexible blade |
This place covers:
The cleaning of articles while they are travelling past at least one cleaning member.
Illustrative example of subject matter classified in this group:

This place covers:
The cleaning of articles by means of cleaning members comprising guiding means for performing a translatory movement along the articles to be cleaned.
Illustrative example of subject matter classified in this group:

This place covers:
The cleaning of articles by means of cleaning members which are arranged to perform a rotary movement over a surface.
Illustrative example of subject matter classified in this group:

This place covers:
The cleaning of articles by methods involving the use of tools, brushes or analogous members, further comprising means to clean or regenerate the cleaning members.
Illustrative example of subject matter classified in this group:

This place covers:
The cleaning of objects by means of contacting with a foam.
This place covers:
Manual cleaning of objects while these are located within a cabinet such as a parts washer.
Example: EP-A2-1524040

This place covers:
The cleaning of objects by means of the mechanical action of a liquid or steam jet.
Example: WO-A1-03/092524

This place covers:
The cleaning of objects while these are travelling past at least one fluid jet.
This place covers:
The cleaning of objects by means of fluid jets comprising guiding means for performing a controlled movement along the object to be cleaned.
This place covers:
The cleaning of objects by means of hand-held spray guns.
This place covers:
Gun lances used in the cleaning of objects by means of hand-held spray guns.
This place covers:
The cleaning of objects by means of contacting with a liquid.
This place covers:
The cleaning of objects while these are travelling and in contact with a liquid.
Example: GB-A-2469605

This place covers:
The cleaning of objects while these are travelling gradually through a
container in contact with a liquid.
This place covers:
The cleaning of objects while these are within an agitated container filled with a liquid.
This place covers:
The cleaning of objects while these are within a perforated container which is agitated within a liquid bath.
Example: US-A-3794053

This place covers:
Specially adapted perforated containers.
This place covers:
The cleaning of objects while these are within a perforated drum and contacted with a liquid.
Example: US-A1-2010/126537

This place covers:
The cleaning of objects by means of contacting with a liquid having chemical or dissolving effect in addition to the mechanincal action of the liquid.
This place covers:
The cleaning of objects while these are contacted with a liquid and whereby the liquid or the object is subjected to an additional treatment.
This place covers:
Subjecting the liquid to agitation.
This place covers:
Subjecting the liquid to agitation by means of propellers.
This place covers:
Illustrative example of subject matter classified in this place:

The Figure illustrates a cleaning tank (12) containing a cleaning liquid (14) and pieces (16) to be cleaned. Ultrasonic energy is supplied to the cleaning liquid by an ultrasonic transducer (18).
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Washing or rinsing machines for crockery or tableware using sonic or ultrasonic waves | |
Cleaning of natural teeth, of prostheses using ultrasonic techniques similar to those used for natural teeth |
Attention is drawn to the following places, which may be of interest for search:
Application of ultrasonic vibrations to chemical, physical or physico-chemical processes in general |
This place covers:
Subjecting the object or the liquid to sonic or ultrasonic vibrations while the objects are travelling.
This place covers:
The additional treatment of the liquid by removing contaminants from the liquid after the liquid has been used in a cleaning process, i.e. regenerating cleaning liquids.
Illustrative examples of subject matter classified in this place:
1.

Figure 1 illustrates a device with three modules: a vertical non-recycling laminar flow extraction hood (a1); a dust-controlled working area (a2) with solvent distribution and recovery, and a filter membrane (b1) with means of evacuation (b2) including or not a particle counter; a manipulating arm (c) for facilitating production and manipulation of large items in the working area.
2.

Attention is drawn to the following places, which may be of interest for search:
Treatment of water in general |
This place covers:
Processes or apparatus for the cleaning of objects by means of a gas.
This place does not cover:
Cleaning hollow articles by methods or apparatus specially adapted thereto |
Attention is drawn to the following places, which may be of interest for search:
Cleaning by electrostatic means |
This place covers:
The cleaning of objects by means of the mechanical action of a gas jet.
This place covers:
Processes or apparatus for the cleaning of objects by means of the mechanical action of suction.
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Suction cleaners |
Attention is drawn to the following places, which may be of interest for search:
Cleaning by the force of jets, e.g. blowing-out cavities | |
Cleaning internal surfaces by suction |
This place covers:
Processes and apparatus for the cleaning of objects by means of electrostatic action on the contaminants.
Illustrative example of subject matter classified in this place:

The Figure illustrates a cleaning roller (11) brought into contact with the surface (S1) of a material to be cleaned (S), and the foreign materials which are adhered on the surface (S1) are removed using an electrostatic force.
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Domestic cleaning implements functioning electrostatically | |
Electrostatic separation of solid materials | |
Cleaning of grooved record carriers |
This place covers:
The cleaning of objects by means of subjecting the objects to an explosion.
Example: US-A1-2004216698

This place covers:
The cleaning of objects by means of applying a layer to a contaminated surface, into which layer contaminants become incorporated, and removing the layer with the contaminants.
Example US-A-6123777

This place covers:
The cleaning of objects by means of subjecting the objects to the washing action of a liquid gas or a supercritical fluid.
This place covers:
The cleaning of objects by means of applying a tacky layer to a contaminated surface, onto which layer contaminants become attached, and removing the layer with the contaminants.
Example: JP-A-8274059

This place covers:
The cleaning of objects by means of subjecting the objects to the action of radiant energy.
Example: WO-A1-02/052347

This place covers:
The cleaning of objects by means of subjecting the objects to laser radiation.
Example: US-A1-2011/007308

This place covers:
The cleaning of objects by means of subjecting the objects to temperature changes.
This place covers:
Example: GB-A-2336428

This place covers:
The cleaning of hollow objects by methods or apparatus specially adapted thereto, the objects being other than containers or pipes.
This place does not cover:
Apparatus for cleaning metal pipes by chemical methods |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Removing obstructions in waste pipes or sinks | |
Cleaning sewer pipes | |
Methods or apparatus for cleaning boreholes or wells | |
Cleaning furnace tubes; Cleaning flues or chimneys | |
Cleaning heat-transfer conduits, e.g. water tubes of boilers |
Attention is drawn to the following places, which may be of interest for search:
Machines or devices designed for grinding end-faces of tubes |
This place covers:
Example: WO-A-97/15406

In this group "Purging" is to be understood as "flushing". The concept of the group is that the pipe is being flushed.
The idea of the parent group B08B 9/032 is to cover subject-matter involving mechanical action with a cleaning fluid which is not classifiable in any of the subgroups.
Attention is drawn to the following places, which may be of interest for search:
Cleaning by the force of jets, e.g. blowing-out cavities |
This place covers:
Example: WO-A1-03/095792

This place covers:
Example: US-A1-2008/001005

This place covers:
Example: US-A1-2010/012151

Attention is drawn to the following places, which may be of interest for search:
Pigs or moles in general, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means | |
Launching or retrieval of pigs or moles | |
Separating pigs in pipelines |
This place covers:
The cleaning of inner and/or outer surfaces of containers by methods or apparatus specially adapted thereto.
This place covers:
The cleaning of containers, whereby the tubular shape of the container is essential to the definition of the cleaning method or apparatus.
This place covers:
The cleaning of containers by means of mechanical members, whereby the shape of the container is essential to the definition of the mechanical member used.
Example: EP-A1-1236521

This place covers:
The cleaning of containers by means of a fluid jet, whereby the shape of the container is essential to the definition of the fluid jet applied.
This place covers:
The cleaning of containers by means of mechanical members, whereby the shape of the container is not essential to the definition of the mechanical member used.
Example: DE-C1-3311117

This place covers:
The cleaning of containers by means of a fluid jet, whereby the shape of the container is not essential to the definition of the fluid jet applied.
This place covers:
The removal of sludge, sediment or the like from container bottoms, using a fluid jet to fluidize the sludge, sediment or the like.
This place covers:
Methods and apparatus for the cleaning of series of bottles.
Example: WO-A1-2009/124688

This place covers:
The cleaning method or apparatus being characterized by the method or apparatus for conveying the bottles to or from the cleaning machine.
This place covers:
The cleaning method or apparatus being characterized by the method or apparatus for loading or unloading the bottles.
This place covers:
The cleaning method or apparatus being characterized by the method or apparatus for inspecting cleaned bottles.
Attention is drawn to the following places, which may be of interest for search:
Cleaning the gap between permanently secured panes |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapours from such vessels | |
Removing cooking fumes from domestic stoves or ranges |
Attention is drawn to the following places, which may be of interest for search:
Refuse disposal | |
Devices for conducting smoke or fumes, e.g. flues | |
Air-conditioning or ventilation |
This place covers:
Collecting or removing dirt or fumes from the area where these are produced using a central suction system to which a plurality of collecting or removing devices are connected.
This place covers:
Branch units configured to move along a sealed longitudinal slit in a main duct, the branch units travelling with a source of dirt or fumes.
Example: EP-A1-0174481

This place covers:
Example: DE-A1-102004031881

This place covers:
Preventing fouling or deposition of fouling or of dust by means of giving articles subject to fouling a shape or arrangement such that fouling or deposition of fouling or of dust will be minimized or eliminated, e.g. by application of the lotus effect.
Example: DE-A1-102005013560

