Patent certificates
Intelligent Natural-Gas Flowmeter — Utility Model Patent
Grant record
- Document no.
- ZL 2023 2 1872512.8
- Scope
- Utility-model grant certificate for an intelligent natural-gas flowmeter construction.
- Validity
- Granted 29 Dec 2023; current legal status should be checked against the official patent register.
Applicability boundary
The certificate records a grant at the publication date. Current legal status must be checked in the official patent register, and a patent grant does not by itself establish product performance or model approval.