Details specially adapted for crucible or pot furnaces

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details specially adapted for crucible, pot or tank furnaces

CPC: Details specially adapted for crucible or pot furnaces

Full titles differ between systems:

IPC:

Crucible or pot furnaces; Tank furnaces > Details specially adapted for crucible, pot or tank furnaces

CPC:

Crucible or pot furnaces > Details specially adapted for crucible or pot furnaces

CPC subdivides this area 3x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions, 2 exist only in IPC.

Note: 10 CPC extensions are marked as secondary classification only.

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F27B 14/0806 +2 CPC CPC only CPC only
F27B 14/10 Crucibles +4 CPC IPC+CPC Available in IPC and CPC
F27B 14/14 Arrangements of heating devices +2 CPC IPC+CPC Available in IPC and CPC
F27B 14/16 Arrangement of devices for charging since 1985 IPC only IPC only
F27B 14/18 Arrangement of devices for discharging since 1985 IPC only IPC only
F27B 14/20 Arrangement of controlling, monitoring, alarm or like devices since 1985 IPC+CPC Available in IPC and CPC
F27B 2014/0825 2nd only +1 CPC CPC only CPC only
F27B 2014/0837 2nd only CPC only CPC only
F27B 2014/0843 2nd only CPC only CPC only
F27B 2014/085 2nd only +1 CPC CPC only CPC only
F27B 2014/0862 2nd only CPC only CPC only
F27B 2014/0868 2nd only CPC only CPC only
F27B 2014/0875 2nd only CPC only CPC only
F27B 2014/0881 2nd only CPC only CPC only
F27B 2014/0887 2nd only CPC only CPC only
F27B 2014/0893 2nd only CPC only CPC only

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

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