Heating arrangements (using heated air or other gases F26B21/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Heating arrangements

CPC: Heating arrangements (using heated air or other gases F26B21/00)

Full titles differ between systems:

IPC:

Heating arrangements

CPC:

Heating arrangements (using heated air or other gases F26B21/00)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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F26B 23/001 +2 CPC CPC only CPC only
F26B 23/02 using combustion heating ( F26B23/10 take precedence) +3 CPC IPC+CPC Available in IPC and CPC
F26B 23/04 using electric heating (F26B23/10 takes precedence) −1 IPC IPC+CPC Available in IPC and CPC
F26B 23/10 using tubes or passages containing heated fluids IPC+CPC Available in IPC and CPC

Class F26,2013–2023, worldwide · Source: EPO PATSTAT

Class F26,2013–2023, worldwide · Source: EPO PATSTAT