Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Heather A. Spinney — 3 Patents in 2021

Dow Global Technologies: 3 patents #41 of 642Top 7%
Northwestern University: 2 patents #16 of 411Top 4%
Michigan: #971 of 9,874 inventorsTop 10%
Overall (2021): #81,479 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11198760 Process of manufacturing polyols Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, David R. Wilson, Justin M. Notestein +1 more 2021-12-14
11186683 Process of manufacturing surfactants and lubricants Arjun Raghuraman, William H. Heath, Bruce D. Hook, Wanglin Yu, Sukrit Mukhopadhyay +3 more 2021-11-30
11001669 Lewis acid polymerization catalyst Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, David R. Wilson 2021-05-11