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Lingling YU

CC China Petroleum & Chemical: 1 patents #48 of 220Top 25%
📍 Zhuhai, CN: #67 of 216 inventorsTop 35%
Overall (2023): #351,710 of 537,848Top 70%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11814944 Reactive torque automatic balancing device for screw drilling tool, drilling string, and method Deshuai Zheng, Menggang Li, Chengcheng Niu, Xiangyang Zhao 2023-11-14