ZL

Zhangjian Li

CP China National Petroleum: 1 patents #97 of 316Top 35%
Overall (All Time): #1,313,205 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1074084 Hip brace with handle for dog 2025-05-06
D1058061 Dogs' hip support 2025-01-14
9816327 Information transmission apparatus for logging while drilling Guanghua Liu, Lianyang Zou, Xinli Liu, Yanfu Huang, Shikai Tao +11 more 2017-11-14