Top IPC subclasses
1
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F25D
|
11
|
refrigeratorscold roomsice-boxescooling or freezing apparatus not covered by any other subclass
|
2
|
A01J
|
1
|
manufacture of dairy products
|
3
|
A23C
|
1
|
dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
|
4
|
F25B
|
1
|
refrigeration machines, plants, or systemscombined heating and refrigeration systemsheat pump system
|
5
|
F28D
|
1
|
heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do n
|