QY

Qiang Yin

PL Petrochina Company Limited: 1 patents #5 of 83Top 7%
Overall (2024): #306,160 of 561,600Top 55%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11946349 Downhole throttling device based on wireless control Jun Xie, Huiyun Ma, Jian Yang, Chenggang Yu, Yukun Fu +6 more 2024-04-02