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USPTO Patent Rankings Data through Dec 31, 2025
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Qiangdan Sun — 1 Patent in 2021

UNUnknown: 1 patents #344 of 3,329Top 15%
Beijing, CN: #2,463 of 6,435 inventorsTop 40%
Overall (2021): #297,507 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10905908 Dome-based cyclic inert sealing system for external floating roof tank and QHSE storage and transport method thereof Yuntao Mu 2021-02-02