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Patent Classification Explorer PCE

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F
F05
F05B
F05B 2200/00
F05B 2200/20
F05B 2200/23

CPC Subgroup Additional Only

F05B 2200/23

Logarithm

Full Title

Mathematical features > Special functions > Logarithm

CPC F05B 2200/23

No direct equivalent in IPC

6 CPC-only subgroups

F05B 2200/22 F05B 2200/24

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

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