Details

Introduced: January 1985

Full Title

Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid > Details

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

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F23D 14/465 CPC only CPC only
F23D 14/48 Nozzles since 1985 IPC+CPC Available in IPC and CPC
F23D 14/60 Devices for simultaneous control of gas and combustion air since 1985 IPC+CPC Available in IPC and CPC
F23D 14/62 Mixing devices; Mixing tubes since 1985 IPC+CPC Available in IPC and CPC
F23D 14/66 Preheating the combustion air or gas since 1985 IPC+CPC Available in IPC and CPC
F23D 14/68 Treating the combustion air or gas, e.g. by filtering, or moistening since 1985 IPC+CPC Available in IPC and CPC
F23D 14/70 Baffles or like flow-disturbing devices since 1985 IPC+CPC Available in IPC and CPC
F23D 14/72 Safety devices, e.g. operative in case of failure of gas supply since 1985 +1 CPC IPC+CPC Available in IPC and CPC
F23D 14/84 Flame spreading or otherwise shaping (F23D14/70 takes precedence) since 1985 IPC+CPC Available in IPC and CPC

Class F23,2013–2023, worldwide · Source: EPO PATSTAT

Class F23,2013–2023, worldwide · Source: EPO PATSTAT