Inventor

HAN WENWEN

CN3 patents

⚠️ This page may combine multiple inventors who share the name “HAN WENWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QINGDAO UNIV OF SCIENCE AND TECHNOLOGY

1 patent

US12385166B2Aug 12, 2025

Device and method for twisting electrostatic spinning superfine fiber

QINGDAO UNIV OF SCIENCE AND TECHNOLOGY0 citations46

UNIV QINGDAO SCIENCE & TECHNOLOGY

1 patent

US11746440B2Sep 5, 2023

System and method for electrospinning superfine fiber bundling

UNIV QINGDAO SCIENCE & TECHNOLOGY0 citations45

Jiangsu suyan valve machinery co ltd

1 patent

US10718446B2Jul 21, 2020

Valve with self-locking function

Jiangsu suyan valve machinery co ltd0 citations23