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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

E
E01
E01C
E01C 2201/00
E01C 2201/14

CPC Subgroup Additional Only

E01C 2201/14

Puzzle-like connections

Full Title

Paving elements > Puzzle-like connections

CPC E01C 2201/14

No direct equivalent in IPC

10 CPC-only subgroups

E01C 2201/12 E01C 2201/16

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

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