Cooperative Patent Classification

CPC Definition - Subclass A62C

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Last Updated Version: 2016.11
FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D 1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B 17/10)
Definition statement

This place covers:

Devices, apparatus and methods to prevent fires from happening, and to fight or contain active fires.

References
Limiting references

This place does not cover:

Fire-extinguishing compositions

Fireproofing materials

Fire alarms and detectors

Fire prevention or containment (A62C 3/00 takes precedence; flame traps A62C 4/00)
Definition statement

This place covers:

Devices to prevent or contain fires.

References
Limiting references

This place does not cover:

Devices for specific objects or places

Flame traps allowing air to pass, but not flames

Informative references

Attention is drawn to the following places, which may be of interest for search:

Methods to fight fires (e.g. by inerting)

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Intumescent

permanently changing properties under the influence of high temperatures, best known example is graphite, which expands when subjected to large amounts of heat, thus forming a layer which isolates one side from the heat on the other side

Physical fire-barriers
Definition statement

This place covers:

Devices which physically prevent fire from passing the point where the device is installed.

References
Limiting references

This place does not cover:

Layered materials

Fire proof paints or coatings

Fireproofing materials

Informative references

Attention is drawn to the following places, which may be of interest for search:

Emergency operation for doors and windows

Curtains

Devices for use where pipes or similar pass through walls or partitions

Air-flow control members for ventilation, air-conditioning or similar

Fire prevention, containment or extinguishing specially adapted for particular objects or places ({in oil wells E21B 29/08, A62C 35/00; in mines or tunnels E21F 5/00} ; for nuclear reactors G21C 9/04)
Definition statement

This place covers:

Devices and Methods which are used for specific circumstances or in specific places.

References
Limiting references

This place does not cover:

Fire fighting in oil wells

Prevention of fires in mines or tunnels

In turbines or jet engines

For nuclear reactors

Informative references

Attention is drawn to the following places, which may be of interest for search:

Extinguishing devices for cigarettes, pipes, ash-trays, etc...

Christmas tree decorations including fire fighting/fire prevention means

Floating covers for liquids in large containers

Prevention of fire due to dust build-up

Forming a firebreak device for pipes, cables or similar passing through walls or partitions

Extinguishing-devices, e.g. for blowing-out or snuffing candle flames

Heat or fire protective means for installations of cables or lines in buildings or vehicles

Flame traps allowing passage of gas but not of flame or explosion wave
Definition statement

This place covers:

Devices which stop the expansion of pressure waves or fires by their constructional features, e.g. by cooling down the passing gas, thus suffocating the flame.

References
Limiting references

This place does not cover:

Pressure relief valves/safety valves

Making of fire-extinguishing materials immediately before use (nozzles A62C 31/02)
Definition statement

This place covers:

Devices and methods which allow the preparing of extinguishants directly before use, e.g. by mixing water and additives on their way to the fire-extinguishing nozzle.

References
Limiting references

This place does not cover:

Nozzles for fire-extinguishing

Chemical composition of fire extinguishants

Informative references

Attention is drawn to the following places, which may be of interest for search:

Flow mixers for foam

Portable extinguishers which are permanently pressurised or pressurised immediately before use (A62C 11/00 takes precedence)
References
Limiting references

This place does not cover:

Portable fire extinguisher with manually-operated pumps

Filling of pressurized vessels

Informative references

Attention is drawn to the following places, which may be of interest for search:

Pressurized containers/vessels

Mounting devices for pressurized containers

Extinguishers essentially of the knapsack type (knapsacks, carrying-frames, pack-frames carried on the body A45F 3/00)
References
Limiting references

This place does not cover:

Supporting devices for portable extinguishers

Informative references

Attention is drawn to the following places, which may be of interest for search:

Knapsacks, carrying-frames, pack-frames carried on the body

Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Launchers for projectiles

Explosive charges in projectiles

Fire-fighting vessels or like floating structures
Definition statement

This place covers:

Vehicles or platforms floating in water adapted to fight fires (on other ships or platforms).

References
Limiting references

This place does not cover:

Fire extinguishing in ships or other vessels floating in water

Informative references

Attention is drawn to the following places, which may be of interest for search:

Fire extinguishing in ships

Delivery of fire-extinguishing material (pumps F04; {suction or pressure} hoses, {joints or couplings therefor} F16L)
Definition statement

This place covers:

Devices which are used to deliver the fire-extinguishants to the point where they are needed.

References
Limiting references

This place does not cover:

Hose accessories specific to fire fighting

Outlets combined with sensors (sprinklers)

Hydrants in streets

Pumps

Hoses and accessories therefore

Informative references

Attention is drawn to the following places, which may be of interest for search:

Fire-extinguishing sprinklers with integrated fire sensor (e.g. glass bulb)

Nozzles

Water cannons

Hose accessories
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Making tubes of specials shapes, e.g. T-splits, connecting pieces

Reels for filamentary or thin materials

Devices for coupling hoses

Special rules of classification

Since most devices for collecting fire hoses do this by ensuring that the fire hose is empty (thus dry), devices for collecting hoses are in A62C 33/02.

Permanently-installed equipment (A62C 31/00, A62C 33/00, A62C 37/00 take precedence; for forming water curtains A62C 2/08)
References
Limiting references

This place does not cover:

Devices for forming water curtains

Delivery of fire-extinguishing material

Control of fire fighting equipment

Control of fire-fighting equipment (heat-sensitive devices G01K)
References
Limiting references

This place does not cover:

Fire alarms

Informative references

Attention is drawn to the following places, which may be of interest for search:

Heat-sensitive devices in general

Subject matter not provided for in other groups of this subclass
Definition statement

This place covers:

Special methods of fire fighting (e.g. inerting), training methods and equipment for training fire-fighting as well as any devices for fire-fighting which cannot be classified in other groups.

References
Limiting references

This place does not cover:

Heat-resistant garments

Special rules of classification

If devices use certain methods which are represented by a subgroup in A62B 99/00, they will be classified in the respective device group and in the respective method group. For example, devices to inert luggage compartments of airplanes will be classified in A62C 3/08 and A62C 99/0018.