Patent certificates
A Differential-Pressure Measurement Device — Invention Patent
Grant record
- Document no.
- ZL 2025 1 0551686.1
- Scope
- Invention-patent grant titled ‘A Differential-Pressure Measurement Device’; product-specific applicability must be established separately.
- Validity
- Granted 26 Sep 2025; 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.