F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
 F01 - 
F04
Subsection index
MACHINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
LIGHTING; HEATING
 F25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR 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 C02F 1/22; refrigeration machines, plants, or systems F25B; solidification of gases or gaseous mixtures F25J; freeze-drying F26B)  [2]
 F25C

Note(s)

In this subclass, the following term is used with the meaning indicated:

  • "ice" means any frozen liquid and also covers frozen semiliquids or pasty substances.  [2]

P:10 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
·  of a particular transparency or translucency, e.g. by injecting air
 F25C 1/20
·  ·  by agitation
 F25C 1/22
·  Construction of moulds; Filling devices therefor (metering by volume in general G01F)
 F25C 1/24
·  ·  for refrigerators, e.g. freezing trays
P:0 F25C 3/00
Production of ice or snow for the purposes specified in the subgroups of this group
 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)
P:20 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 subclass
 F25C 5/18
·  Storing ice