F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
LIGHTING AND HEATING
 F25
REFRIGERATION AND COOLING; MANUFACTURE AND STORAGE OF ICE; LIQUEFACTION AND SOLIDIFICATION OF GASES
 F25C
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 C02B 1/12; refrigeration machines, plants, or systems F25B; solidification of gases or gaseous mixtures F25J; freeze-drying F26B)  [2]
 F25C

Note(s)

In this sub-class, the term "ice" means any frozen liquid and is to be understood as also covering frozen semiliquids or pasty substances [2]

 F25C 1/00
Production of ice (F25C 3/00 takes precedence)
 F25C 1/02
·  production of natural ice, i.e. without refrigeration
 F25C 1/04
·  by using stationary moulds
 F25C 1/06
·  ·  open or openable at both ends
 F25C 1/08
·  by immersing freezing chambers or plates into water
 F25C 1/10
·  by using rotating or otherwise moving moulds (F25C 1/08 takes precedence)
 F25C 1/12
·  by freezing water on cooled surfaces, e.g. to form slabs
 F25C 1/14
·  ·  to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
 F25C 1/16
·  by partially evaporating water in a vacuum
 F25C 1/18
·  Devices for the production of translucent ice, e.g. by injecting air
 F25C 1/20
·  ·  by stirring
 F25C 1/22
·  Construction of moulds; Filling devices therefor (metering by volume in general G01F)
 F25C 1/24
·  ·  for refrigerators, e.g. freezing trays
 F25C 3/00
Production of ice or snow for the purposes specified in the sub-groups
 F25C 3/02
·  for ice rinks (shape of rinks A63C 19/10; construction of rinks E01C)
 F25C 3/04
·  for sledging or ski trails; Production of artificial snow (shape of trails A63C 19/10; construction of trails E01C)
 F25C 5/00
Working or distributing ice
 F25C 5/02
·  Tools or machines for disintegrating, removing, or harvesting ice
 F25C 5/04
·  ·  without the use of saws
 F25C 5/06
·  ·  ·  by deforming bodies with which the ice is in contact, e.g. by inflatable members
 F25C 5/08
·  ·  ·  by heating bodies in contact with the ice
 F25C 5/10
·  ·  ·  ·  using hot refrigerant; using fluid heated by refrigerant
 F25C 5/12
·  ·  ·  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 sub-class
 F25C 5/18
·  Storing ice
 F25C 7/00
( transferred to A23G 9/00 )