QH

Qiang Han

Overall (2025): #249,159 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12209931 Leakage monitoring device for pneumatic drain valve of steam turbine Guoqing Hu, Qinglong Kong, Jiajia Xu, Xiaochao Zhang 2025-01-28