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USPTO Patent Rankings Data through Dec 31, 2025
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Mitchell D. Refvik — 2 Patents in 2022

Chevron: 2 patents #51 of 350Top 15%
Bartlesville, OK: #31 of 85 inventorsTop 40%
Oklahoma: #150 of 935 inventorsTop 20%
Overall (2022): #128,075 of 548,613Top 25%
2 Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11358131 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Eric D. Schwerdtfeger, Mark L. Hlavinka 2022-06-14
11358132 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Eric D. Schwerdtfeger, Mark L. Hlavinka 2022-06-14