JC

Junqing Chai

SC Sichuan Honghua Petroleum Equipment Co.: 1 patents #1 of 5Top 20%
📍 Guanghan, CN: #1 of 4 inventorsTop 25%
Overall (2023): #380,813 of 537,848Top 75%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11603720 Methods for tripping a drilling rig or a workover rig Yan Lyu, Liangliang Liang, Aimin Tang, Zhenghua Wu 2023-03-14