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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

F
F23
F23J
F23J 2217/00
F23J 2217/10
F23J 2217/103

CPC Subgroup Additional Only

F23J 2217/103

ultrafine [HEPA]

Full Title

Intercepting solids > by filters > ultrafine [HEPA]

CPC F23J 2217/103

No direct equivalent in IPC

5 CPC-only subgroups

F23J 2217/102 F23J 2217/104

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

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