Skip to content

Patent Classification Explorer PCE

Search Classifications

Search for IPC and CPC classification codes or keywords

E
E21
E21C
E21C 51/00

CPC Main Group

E21C 51/00

Apparatus for, or methods of, winning materials from extraterrestrial sources (cosmonautics B64G)

CPC E21C 51/00

IPC Equivalent: E21C 51/00

2 CPC-only subgroups

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

Imprint Privacy mtc.berlin depa.tech patscenar.io

© 2026 mtc.berlin