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USPTO Patent Rankings Data through Sept 30, 2025
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Eric D. Schwerdtfeger — 3 Patents in 2018

Chevron: 3 patents #36 of 337Top 15%
Bartlesville, OK: #12 of 63 inventorsTop 20%
Oklahoma: #60 of 936 inventorsTop 7%
Overall (2018): #76,815 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9988468 Methods of preparing a catalyst Max P. McDaniel, Jeremy M. Praetorius, Alan L. Solenberger, Kathy S. Clear 2018-06-05
9970869 Use of turbidimeter for measurement of solid catalyst system component in a reactor feed Daniel G. Hert, Max P. McDaniel 2018-05-15
9879101 Long chain branched polymers and methods of making same Youlu Yu, Max P. McDaniel, Alan L. Solenberger, Kathy S. Clear 2018-01-30