CM

Chi Ma

BH Beijing Huamei: 1 patents #11 of 28Top 40%
CP China National Petroleum: 1 patents #6 of 39Top 20%
CU Cnpc Usa: 1 patents #16 of 35Top 50%
Overall (2023): #487,205 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11591858 Cutting elements with increased curvature cutting edges Jiaqing Yu, Chris Cheng, Jianhua Guo, Bo Zhou, Shijun Qiao +3 more 2023-02-28