Inventor
QIAN JINYUAN
CN5 patents
Patents
5 patentsUS12460744B2Nov 4, 2025
Assembly for preventing clamping stagnation of valve rod, and valve structure and method for preventing clamping stagnation of valve rod
UNIV ZHEJIANG0 citations49
US12181062B2Dec 31, 2024
Hydrogen pressure-reducing valve having automatic pressure-relief and cut-off functions and method therefor
UNIV ZHEJIANG0 citations43
US12169028B2Dec 17, 2024
Hydrogen supply combination valve having flow regulation and pressure stabilization functions
UNIV ZHEJIANG0 citations40
US11703401B2Jul 18, 2023
Measuring device and measuring method for measuring unbalanced moment of bottom surface of circular valve core
UNIV ZHEJIANG0 citations38
US11353138B1Jun 7, 2022
Piston valve core structure with rigid ring surface combined with flexible base surface and method thereof
UNIV ZHEJIANG0 citations38