Patent certificates
Flowmeter-Flange Welding Fixture — Utility Model Patent
Grant record
- Document no.
- ZL 2020 2 1223969.2
- Scope
- Utility-model grant certificate for tooling used to weld flowmeter flanges.
- Validity
- Granted 09 Feb 2021; 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.