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USPTO Patent Rankings Data through Sept 30, 2025
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Liqin Han

Zaozhuang, CN: #2 of 4 inventorsTop 50%
Overall (2022): #360,546 of 548,613Top 70%
1 Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11383996 Integrated physical method oily sewage treatment device Liping Wei, Hongyu Xu, Huisheng Han, Dongdong Zhang, Rui SUN +4 more 2022-07-12