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PCE
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DIFF Main Group
F41A 13/00

Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems

Introduced: January 1990

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • F41A 13/02 Heating systems since 1990 IPC+CPC Available in IPC and CPC
  • F41A 13/04 Injecting fluids into barrels or cartridge chambers (F41A13/08 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
  • F41A 13/10 Blowers or turbines for evacuating or cooling guns, e.g. driven by combustion gas pressure or recoil since 1990 IPC+CPC Available in IPC and CPC
  • F41A 13/12 Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence) since 1990 IPC+CPC Available in IPC and CPC