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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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PRODUCTION, WORKING, STORING OR DISTRIBUTION OF ICE (frozen sweets, including ice-cream, their production A23G 9/00; concentrating solutions by removing frozen solvents B01D 9/04; purification of water by freezing C02F 1/22; refrigeration machines, plants or systems F25B; solidification of gases or gaseous mixtures F25J; freeze drying F26B)
NOTE
-
Within the subclass, the term "ice" means any frozen liquid and is to be understood as also covering frozen semi-liquids or pasty substances.

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Production of ice (F25C 3/00 takes precedence)
F25C 1/02
.
Production of natural ice, i.e. without refrigeration
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F25C 1/04
.
by using stationary moulds
F25C 1/045
. .
{
with the open end pointing downwards
}
. .
open or openable at both ends
F25C 1/08
.
by immersing freezing chambers or plates into water
.
by using rotating or otherwise moving moulds (F25C 1/08 takes precedence)
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F25C 1/12
.
by freezing water on cooled surfaces, e.g. to form slabs
F25C 1/125
. .
{
on flexible surfaces
}
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F25C 1/14
. .
to form thin sheets which are removed by scraping or wedging
F25C 1/142
. . .
{
from the outer wall of a cooled body
}
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F25C 1/145
. . .
{
from the inner wall of a cooled body
}
F25C 1/147
. . . .
{
by using augers
}
F25C 1/16
.
by partially evaporating water in a vacuum
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F25C 1/18
.
of a particular transparency or translucency, e.g. by injecting air
F25C 1/20
. .
by agitation
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.
Construction of moulds; Filling devices therefor (metering by volume in general G01F)
F25C 1/225
. .
{
Filling devices for moulds
}
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F25C 1/24
. .
for refrigerators, e.g. freezing trays
F25C 1/243
. . .
{
of plastic materials
}
F25C 1/246
. . .
{
with separate grid structure
}
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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 (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 (shape of rinks A63C 19/10; construction of rinks E01C)
.
for sledging or ski trails; Production of artificial snow (shape of trails A63C 19/10; construction of trails E01C)
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F25C 5/00
Working, storing or distribution of ice
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F25C 5/002
.
{
Distributing ice
}
. .
{
particularly adapted for household refrigerators
}
F25C 5/007
. .
{
for storing bins (ice bins in general F25C 5/182)
}
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.
Tools or machines for disintegrating, removing or harvesting ice
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F25C 5/04
. .
without the use of saws
. . .
{
Tools, e.g. ice picks, ice crushers, ice shavers
}
. . .
{
Ice-crusher machines
}
F25C 5/06
. . .
by deforming bodies with which the ice is in contact, e.g. by inflatable members
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F25C 5/08
. . .
by heating bodies in contact with the ice
F25C 5/10
. . . .
using hot refrigerant; using fluid heated by refrigerant
. . .
Ice-shaving machines
F25C 5/14
.
Tools or machines for shaping or finishing ice pieces, e.g. ice presses
F25C 5/16
.
Tools or devices for ice handling not covered by any other subclass
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F25C 5/18
.
Storing ice
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F25C 5/182
. .
{
Ice bins (distributing arrangements therefor F25C 5/007)
}
F25C 5/185
. . .
{
combined with freezing trays
}
. . .
{
combined with ice level sensing means
}
F25C 2300/00
Special arrangements or features for production, working, storing or distribution of ice
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F25C 2301/00
Special arrangements or features for the production of ice
F25C 2301/002
.
Production of ice slurries
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F25C 2303/00
Special arrangements or features for the production of ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Special arrangements or features for the production of artificial snow
F25C 2303/042
.
Snow making by using solid ice, e.g. ice crushing
F25C 2303/044
.
Snow making using additional features, e.g. additives, liquid gas
F25C 2303/046
.
Snow making by using low pressure air ventilators, e.g. fan type snow canons
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F25C 2303/048
.
Snow making by using means for spraying water
F25C 2303/0481
. .
with the use of compressed air
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F25C 2305/00
Special arrangements or features for working or distributing ice
F25C 2305/022
.
Harvesting of ice including rotating or tilting or pivoting of a mould or tray
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F25C 2400/00
Auxiliary features or devices for production, working, storing or distribution of ice
F25C 2400/02
.
Freezing surface state
F25C 2400/04
.
Ice guide, e.g. for guiding ice blocks to storage tank
F25C 2400/06
.
Multiple ice moulds or trays therefor
F25C 2400/08
.
for different type of ice
F25C 2400/10
.
Refrigerator units
F25C 2400/12
.
Means for sanitation
F25C 2400/14
.
Water supply
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F25C 2500/00
Problems to be solved
F25C 2500/02
.
Geometry problems
F25C 2500/04
.
Calculation of parameters
F25C 2500/06
.
Spillage or flooding of water
F25C 2500/08
.
Sticking or clogging of ice
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F25C 2600/00
Control issues
F25C 2600/02
.
Timing
F25C 2600/04
.
Control means
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F25C 2700/00
Sensing or detecting of parameters; Sensors therefor
F25C 2700/02
.
Level of ice
F25C 2700/04
.
Level of water
F25C 2700/06
.
Rotation angle of the ejector ejecting ice from a stationary mould
F25C 2700/08
.
Power to drive the auger motor of an auger type ice making machine
F25C 2700/10
.
Rotating speed of the auger motor of an auger type ice making machine
F25C 2700/12
.
Temperature of ice trays
F25C 2700/14
.
Temperature of water
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013