using physical processes

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor > using physical processes

CPC:

Making metallic powder or suspensions thereof > using physical processes

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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B22F 9/023 CPC only CPC only
B22F 9/026 CPC only CPC only
B22F 9/04 starting from solid material, e.g. by crushing, grinding or milling (; crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C) since 1980 +7 CPC IPC+CPC Available in IPC and CPC
B22F 9/06 starting from liquid material since 1980 +1 CPC IPC+CPC Available in IPC and CPC
B22F 9/12 starting from gaseous material since 1980 IPC+CPC Available in IPC and CPC
B22F 9/14 using electric discharge since 1980 IPC+CPC Available in IPC and CPC

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

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