Skip to content

Patent Classification Explorer PCE

Search Classifications

Search for IPC and CPC classification codes or keywords

E
E01
E01B
E01B 2204/00
E01B 2204/07

CPC Subgroup Additional Only

E01B 2204/07

Drainage

Full Title

Characteristics of the track and its foundations > Drainage

CPC E01B 2204/07

No direct equivalent in IPC

16 CPC-only subgroups

E01B 2204/06 E01B 2204/08

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

Imprint Privacy mtc.berlin depa.tech patscenar.io

© 2026 mtc.berlin