XL

Xueqin Li

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 Zixing City, CN: #2 of 14 inventorsTop 15%
Overall (All Time): #1,828,080 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11828706 Test system and method for the mutual solubility of biomass-based blended fuel Tingzhou Lei, Miao Yang, Zhiwei Wang, Xiaofei Xin, Haiyan Xu +6 more 2023-11-28
6422611 Contractible joint device for metal conduit Jiesheng Jin, Yushi Zhou, Yuefang Liu, Chicheng Luo, Gengwu LI +10 more 2002-07-23