CPC Definition - Subclass F25C

Last Updated Version: 2021.08
PRODUCING, WORKING OR HANDLING ICE
References
Application-oriented references

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:

Frozen sweets, including ice-cream, their production

A23G 9/00

Informative references

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

Concentrating solutions by removing frozen solvents

B01D 9/04

Purification of water by freezing

C02F 1/22

Refrigeration machines, plants, or systems

F25B

Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus

F25D

Solidification of gases or gaseous mixtures

F25J

Freeze-drying

F26B

Special rules of classification

Control means for production, working, storing or distribution of ice are classified in F25C 2600/00.

Sensors for production, working, storing or distribution of ice are classified in F25C 2700/00.

Glossary of terms

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

Ice

Any frozen liquid and also covers frozen semi-liquids or pasty substances

Producing ice (F25C 3/00 takes precedence)
Definition statement

This place covers:

Freezers for pelletizing/granulating liquids.

Production of ice slurries.

Illustrative example of subject matter classified in this group.

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References
Limiting references

This place does not cover:

Methods or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow

F25C 3/00

Informative references

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

Production of ice slurries

F25C 2301/002

Forced air circulation with compartments at different temperature

F25D 17/065

Forced air circulation through special compartments

F25D 2317/061

Forced air circulation with air guides

F25D 2317/063

Forced air circulation characterized by the air return

F25D 2317/065

Forced air circulation characterized by the air supply

F25D 2317/066

Forced air circulation characterized by air ducts

F25D 2317/067

Forced air circulation characterized by the fans

F25D 2317/068

Special rules of classification

Multiple classification in F25D 17/06 for the air flow to cool the ice mould.

Multiple classification in F25B 21/02 for cooling the ice mould with a Peltier element.

Multiple classification in F25B 39/02 for cooling the ice mould with an evaporator.

by using stationary moulds
Definition statement

This place covers:

Automatic ice producing units using moulds which are not rotated or moved during freezing of the water.

Drive units to harvest ice of automatic ice makers with stationary mould during freezing.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Producing ice by using rotating or otherwise moving moulds

F25C 1/10

Ice trays positioned manually inside a freezer after being filled manually with water

F25C 1/24

Harvesting ice including rotating or tilting or pivoting of a mould or tray

F25C 2305/022

Refrigerator units

F25C 2400/10

Using Peltier effects

F25B 2321/02

Fan speed control of evaporator fans

F25B 2600/112

Forced air circulation

F25D 17/065

Through special compartments

F25D 2317/061

Along the inside of doors

F25D 2317/062

With air guides

F25D 2317/063

characterized by the air return

F25D 2317/065

characterized by the air supply

F25D 2317/066

characterized by the air ducts

F25D 2317/067

characterized by the fans

F25D 2317/068

Special rules of classification

Multiple classification in F25C 1/22 are necessary when constructional details of the mould itself are claimed.

Multiple classification in F25C 1/04 and F25B when the mould is cooled by:

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Multiple classification in F25C 1/04 and F25D when the mould is cooled by

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Multiple classification in F25C 2400/10 when the automatic ice producing unit is placed inside a household refrigerator.

with the open end pointing downwards
Definition statement

This place covers:

Automatic ice producing units using moulds which are not rotated or moved during freezing of the water, the mould has an open end pointing downwards.

Drive units to harvest ice for automatic ice makers with stationary mould during freezing, the mould with the open end pointing downwards.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Harvesting ice including rotating or tilting or pivoting of a mould or tray

F25C 2305/022

Special rules of classification

Multiple classification in F25C 1/22 when constructional details of the mould itself are claimed.

open or openable at both ends
Definition statement

This place covers:

Automatic ice producing units using moulds which are not rotated or moved during freezing of the water, the mould is open or openable at both ends.

Production of bar-ice.

Illustrative example of subject matter classified in this group.

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by immersing freezing chambers {, cylindrical bodies} or plates into water
Definition statement

This place covers:

Producing ice by immersing cooling fingers, rods, conduits, pipes, chambers or plates into water.

Illustrative example of subject matter classified in this group.

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Relationships with other classification places

In this subgroup multiple classification in F25B 21/02 for cooling the cold finger with a Peltier device is used.

In this subgroup multiple classification in F25B 39/02 for cooling the cold finger with refrigerant evaporating in an evaporator.

References
Informative references

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

Producing ice by freezing water on cooled surfaces, e.g. to form slabs

F25C 1/12

by using rotating or otherwise moving moulds (F25C 1/08 takes precedence)
Definition statement

This place covers:

Producing ice by using rotating or otherwise moving moulds during freezing of water.

Illustrative example of subject matter classified in this group.

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References
Limiting references

This place does not cover:

Producing ice by immersing freezing chambers or plates into water

F25C 1/08

Informative references

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

By using stationary moulds

F25C 1/04

Special rules of classification

Rotation of moulds during harvesting of ice is classified in F25C 5/02 or lower and F25C 2305/022.

by freezing water on cooled surfaces, e.g. to form slabs
Definition statement

This place covers:

Producing ice by freezing water on cooled surfaces.

Ice slabs.

Illustrative example of subject matter classified in this group.

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{on flexible surfaces}
Definition statement

This place covers:

Producing ice by freezing water on flexible surfaces.

Illustrative example of subject matter classified in this group.

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to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
Definition statement

This place covers:

Producing ice by freezing water on cooled flat surfaces to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes.

Illustrative example of subject matter classified in this group.

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from the outer walls of cooled bodies
Definition statement

This place covers:

Producing ice by freezing water on cooled surfaces to form thin sheets which are removed by scraping or wedging from the outer walls of cooled bodies.

Illustrative example of subject matter classified in this group.

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from the inner walls of cooled bodies
Definition statement

This place covers:

Producing ice by freezing water on cooled surfaces to form thin sheets which are removed by scraping or wedging from the inner walls of cooled bodies.

Illustrative example of subject matter classified in this group.

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by using augers
Definition statement

This place covers:

Producing ice by freezing water to form thin sheets which are removed from the inner walls of cooled bodies by using augers.

Illustrative example of subject matter classified in this group.

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Construction of moulds; Filling devices for moulds
Definition statement

This place covers:

Moulds for non-automatic ice production.

Constructional details of moulds of automatic ice production.

References
Informative references

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

Metering by volume in general

G01F

Special rules of classification

Multiple classification in F25C 1/04 when an automatic ice producing unit with stationary mould is claimed.

Multiple classification in F25D 3/08 when ice produced in mould is used to cool glasses, bottles, etc.

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Multiple classification in F25C 3/00 when mould is used to create a snow sculpture.

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for refrigerators, e.g. freezing trays
Definition statement

This place covers:

Construction of moulds to be filled by tap water manually and placed inside refrigerators manually.

References
Application-oriented references

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:

Ice bins combined with freezing trays

F25C 5/185

Informative references

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

Producing ice by using stationary moulds

F25C 1/04

Moulds made of plastics e.g. silicone
Definition statement

This place covers:

Construction of moulds to be filled by water manually and placed inside refrigerators manually, the moulds made of plastics, e.g. silicone.

Illustrative example of subject matter classified in this group.

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Moulds with separate grid structure
Definition statement

This place covers:

Construction of moulds to be filled manually with water and placed manually inside a refrigerator, the mould has a separate grid structure.

Illustrative example of subject matter classified in this group.

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Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
References
Informative references

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

Spraying apparatus for discharge of liquids or other fluent materials from two or more sources

B05B 7/00

Simulating ice or snow

C09K 3/24

Foundations or pavings for artificial surfaces for outdoor or indoor practice of snow or ice sports

E01C 13/10

Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes

E01H 4/00

for ice rinks
References
Informative references

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

Shape of rinks

A63C 19/10

Construction of rinks

E01C

for sledging or ski trails; Producing artificial snow
References
Informative references

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

Special arrangements or features of snow making

F25C 2303/00

Shape of rinks

A63C 19/10

Spraying apparatus for discharge of liquids or other fluent materials from two or more sources

B05B 7/00

Simulating ice or snow

C09K 3/24

Construction of rinks

E01C 13/10

Special rules of classification

Different methods/devices for snow making are classified in F25C 2303/00 and lower.

Working or handling ice (F25C 3/00 takes precedence)
References
Limiting references

This place does not cover:

Methods or apparatus specially adapted for the production of ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Production of artificial snow

F25C 3/00

Apparatus for disintegrating, removing or harvesting ice
Definition statement

This place covers:

Apparatus for disintegrating, removing or harvesting ice by using saws.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Producing ice by freezing water on cooled surfaces to form thin sheets which are removed by scraping or wedging

F25C 1/14

Scoring of ice by saws

F25C 5/14

Air guides

F25D

Special rules of classification

Combinations of ice-crusher and ice-shaving machine in one embodiment are classified in F25C 5/02 and in F25C 5/046 and F25C 5/12.

without the use of saws
Definition statement

This place covers:

Harvesting of ice by ejectors or pushing members without heating of the mould. Ice cutters.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Producing ice by using stationary moulds

F25C 1/04

Producing ice by heating bodies in contact with the ice

F25C 5/08

Rotating rakes

F25C 2305/024

Ice augers for drilling holes for ice-fishing

A01K 97/01

Drilling ice or a formation covered by ice

E21B 7/008

{Tools, e.g. ice picks, ice crushers, ice shavers}
Definition statement

This place covers:

Hand tools for disintegrating, removing or harvesting ice cubes and blocks without the use of saws, by using other hand tools, e.g. ice picks, ice crushers, ice shavers.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Ice-crusher machines

F25C 5/046

Ice-shaving machines

F25C 5/12

Accessories for ice-fishing (ice drilling)

A01K 97/01

Brushes with a scraper

A46B 15/0081

Other food tongs

A47G 21/10

Guards or sheaths for hand cutting tools

B26B 29/00

Life-saving equipment adapted to use on ice

B63C 9/32

Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes

E01H 4/00

Snow removing devices

E04D 13/106

Drilling ice or a formation covered by ice

E21B 7/008

Glossary of terms

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

Tools

Hand tools

{Ice-crusher machines}
Definition statement

This place covers:

Automatic ice-crushers and grinders.

Illustrative example of subject matter classified in this group.

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Grinder 145, crusher 140

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References
Informative references

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

Ice crusher as hand tool for crushing ice cubes

F25C 5/043

by deforming bodies with which the ice is in contact, e.g. using inflatable members
Definition statement

This place covers:

Apparatus for disintegrating, removing or harvesting ice by deforming bodies with which the ice is in contact, by deforming the mould, e.g. by twisting the mould or using inflatable members.

Illustrative example of subject matter classified in this group.

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Ice-shaving machines
Definition statement

This place covers:

Automatic ice-shaving machines producing flake ice and chip ice.

Illustrative example of subject matter classified in this group.

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References
Informative references

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

Production of ice by using augers

F25C 1/147

Ice shaver as a hand tool to shave ice

F25C 5/043

Production of slush ice

A23G 9/045

Synonyms and Keywords

In patent documents, the following words/expressions are often used as synonyms:

  • Flake ice
  • Chip ice
  • Rasp
Apparatus for shaping or finishing ice pieces, e.g. ice presses
Definition statement

This place covers:

Moulding ice.

Scoring ice.

Illustrative example of subject matter classified in this group.

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Storing ice
References
Informative references

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

Cooling bags for medical or therapeutic treatment of the human body, e.g. ice-bags

A61F 7/10

Containers, packaging elements or packages specially adapted for ice-cream

B65D 85/78

Devices using ice, e.g. ice-boxes

F25D 3/02

with freezing trays
References
Informative references

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

Construction of moulds for refrigerators, e.g. freezing trays

F25C 1/24

with ice level sensing means
References
Informative references

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

Indicating or measuring liquid level, or level of fluent solid material

G01F 23/00

Level control, e.g. controlling quantity of material stored in vessel

G05D 9/00

{particularly adapted for household refrigerators}
Special rules of classification

When emphasis is put on water dispenser classify in F25D 23/126 and F25C 2400/10.

{for storing bins (ice bins F25C 5/182)}
References
Limiting references

This place does not cover:

ice bins

F25C 5/182