DW

Dafei Wu

CP China National Petroleum: 1 patents #97 of 316Top 35%
📍 Jing County, CN: #21 of 78 inventorsTop 30%
Overall (All Time): #1,939,065 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10309171 Coiled tubing reel and coiled tubing vehicle Huiqun He, Shoujun Liu, Gao Yang, Jun Hao, Qing Ma +6 more 2019-06-04
9316069 Guide device for coiled tubing Sanpo Zhang, Tieli Liu, Zaisi Zhu, Gang Luo 2016-04-19