QL

Qinfeng Li

JT Jiangsu University Of Science And Technology: 2 patents #13 of 215Top 7%
Overall (All Time): #1,456,833 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10780487 Bending and molding production line Wenxian Tang, Jian Zhang, Hongcai Lin, Yang Zhang, Zhigao Tao +2 more 2020-09-22
10518310 Bending mold device for bidirectional pipe bending Wenxian Tang, Jian Zhang, Hui Zhu, Hongcai Lin, Yang Zhang +1 more 2019-12-31
9926855 Device and method for adjusting fuel supply advance angle of multi-cylinder diesel engine Jian Zhang, Wenxian Tang, Fei Yan, Shijie Su, Jiyang Qi +3 more 2018-03-27