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USPTO Patent Rankings Data through Dec 31, 2025
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Stanley A. Roth — 4 Patents in 2021

Basf Se: 4 patents #32 of 1,127Top 3%
Yardley, PA: #6 of 83 inventorsTop 8%
Pennsylvania: #365 of 7,685 inventorsTop 5%
Overall (2021): #39,647 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11149610 Nitrous oxide removal catalysts for exhaust systems Yuejin Li, Xiaolai Zheng, Olga Gerlach, Andreas Sundermann 2021-10-19
11117098 Multifunctional filters for diesel emission control Yuejin Li 2021-09-14
10974198 Diesel oxidation catalyst comprising platinum group metal nanoparticles Xinyi Wei, Xiaoming Xu 2021-04-13
10895183 Ruthenium impregnated ceria catalyst Olga Gerlach, Xinyi Wei, Andreas Sundermann, Emily Schulman 2021-01-19