Crucible or pot furnaces

Introduced: September 1968

Title

Titles differ between systems:

IPC: Crucible or pot furnaces; Tank furnaces

CPC: Crucible or pot furnaces

Full titles differ between systems:

IPC:

Crucible or pot furnaces; Tank furnaces

CPC:

Crucible or pot furnaces

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

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F27B 14/02 with tilting or rocking arrangements (F27B14/04 takes precedence) IPC+CPC Available in IPC and CPC
F27B 14/04 adapted for treating the charge in vacuum or special atmosphere +1 CPC IPC+CPC Available in IPC and CPC
F27B 14/06 heated electrically, e.g. induction crucible furnaces with or without any other source of heat (F27B14/04 takes precedence) +2 CPC IPC+CPC Available in IPC and CPC
F27B 14/08 Details specially adapted for crucible or pot furnaces +11 CPC −2 IPC IPC+CPC Available in IPC and CPC
F27B 2014/002 2nd only +2 CPC CPC only CPC only
F27B 2014/008 2nd only CPC only CPC only

Class F27,2013–2023, worldwide · Source: EPO PATSTAT

Class F27,2013–2023, worldwide · Source: EPO PATSTAT