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 9/00; 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 1/04
·  by using stationary moulds
 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 1/18
·  of a particular transparency or translucency, e.g. by injecting air
 F25C 1/22
·  Construction of moulds; Filling devices therefor (metering by volume in general G01F)
P:0 F25C 3/00
Production of ice or snow for the purposes specified in the subgroups of this group
P:20 F25C 5/00
Working or distributing ice