ZW

Zhenghua Wu

SC Sichuan Honghua Petroleum Equipment Co.: 1 patents #1 of 5Top 20%
Overall (2023): #89,294 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1002896 Solar light 2023-10-24
11603720 Methods for tripping a drilling rig or a workover rig Junqing Chai, Yan Lyu, Liangliang Liang, Aimin Tang 2023-03-14