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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

B
B22
B22F
B22F 2201/00
B22F 2201/20

CPC Subgroup Additional Only

B22F 2201/20

Use of vacuum

Full Title

Treatment under specific atmosphere > Use of vacuum

CPC B22F 2201/20

No direct equivalent in IPC

11 CPC-only subgroups

B22F 2201/10 B22F 2201/30

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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