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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

F
F23
F23N
F23N 2235/00
F23N 2235/12
F23N 2235/20

CPC Subgroup Additional Only

F23N 2235/20

Membrane valves

Full Title

Valves, nozzles or pumps > Fuel valves > Membrane valves

CPC F23N 2235/20

No direct equivalent in IPC

6 CPC-only subgroups

F23N 2235/18 F23N 2235/22

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

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