GM

Guang Chang Ma

CL Cnpc Chuanqing Drilling Engineering Company Limited: 1 patents #1 of 4Top 25%
CU Cnpc Usa: 1 patents #3 of 14Top 25%
📍 Guanghan, CN: #2 of 2 inventorsTop 100%
Overall (2018): #407,076 of 503,207Top 85%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10072197 Crosslinked high molecular weight polymers for use in water-based drilling fluids Meng Lu, Burhan Hoxha, Feng Xiao 2018-09-11