Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

Introduced: September 1968

CPC subdivides this area 3x more granularly than IPC with 9 additional codes.

9 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B22F 2005/001 2nd only CPC only CPC only
B22F 2005/002 2nd only CPC only CPC only
B22F 2005/004 2nd only CPC only CPC only
B22F 2005/005 2nd only CPC only CPC only
B22F 5/003 CPC only CPC only
B22F 5/006 CPC only CPC only
B22F 5/007 CPC only CPC only
B22F 5/008 CPC only CPC only
B22F 5/009 CPC only CPC only
B22F 5/02 of piston rings IPC+CPC Available in IPC and CPC
B22F 5/04 of turbine blades IPC+CPC Available in IPC and CPC
B22F 5/06 of threaded articles, e.g. nuts IPC+CPC Available in IPC and CPC
B22F 5/08 of toothed articles, e.g. gear wheels; of cam discs +1 CPC IPC+CPC Available in IPC and CPC
B22F 5/10 of articles with cavities or holes, not otherwise provided for in the preceding subgroups since 1995 +2 CPC IPC+CPC Available in IPC and CPC
B22F 5/12 of wires since 1995 IPC+CPC Available in IPC and CPC

Class B22,2013–2023, worldwide · Source: EPO PATSTAT

Class B22,2013–2023, worldwide · Source: EPO PATSTAT