Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Chunqing Liu — 3 Patents in 2021

UOUop: 3 patents #18 of 215Top 9%
Arlington Heights, IL: #10 of 135 inventorsTop 8%
Illinois: #782 of 8,822 inventorsTop 9%
Overall (2021): #87,616 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11136280 Process and system for removal of light ends and non-condensables to prevent buildup in an olefin/paraffin membrane separation process Mander Singh, Charles P. Luebke, Trung Pham, Steven C. Kozup, Carl W. Liskey +2 more 2021-10-05
11083992 Methods of making high selectivity facilitated transport membranes, high selectivity facilitated transport membrane elements and modules Nicole K. Karns, Howie Q. Tran, Carl W. Liskey 2021-08-10
11033856 Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separations Simon E. Albo, David W. Greer, Xueliang Dong, Mark M. Davis 2021-06-15