Inventor
JIN ZHIJIANG
CN3 patents
Patents
3 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
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