General layout or general methods of operation of complete plants

Introduced: September 1968

Title

Titles differ between systems:

IPC: General layout or general methods of operation, of complete steam engine plants

CPC: General layout or general methods of operation of complete plants

Full titles differ between systems:

IPC:

General layout or general methods of operation, of complete steam engine plants

CPC:

General layout or general methods of operation of complete plants

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

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F01K 13/003 CPC only CPC only
F01K 13/006 CPC only CPC only
F01K 13/02 Controlling, e.g. stopping or starting +1 CPC IPC+CPC Available in IPC and CPC

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

Class F01,2013–2023, worldwide · Source: EPO PATSTAT