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Patent Classification Explorer PCE

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F
F16
F16K
F16K 2200/00
F16K 2200/30
F16K 2200/304

CPC Subgroup Additional Only

F16K 2200/304

Adjustable spring pre-loading

Full Title

Details of valves > Spring arrangements > Adjustable spring pre-loading

CPC F16K 2200/304

No direct equivalent in IPC

5 CPC-only subgroups

F16K 2200/303 F16K 2200/305

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

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