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USPTO Patent Rankings Data through Dec 31, 2025
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Mitchell D. Refvik — 3 Patents in 2023

Chevron: 3 patents #57 of 357Top 20%
Bartlesville, OK: #15 of 100 inventorsTop 15%
Oklahoma: #78 of 950 inventorsTop 9%
Overall (2023): #67,555 of 537,848Top 15%
3 Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11801502 Hydrocyclone modification of catalyst system components for use in olefin polymerization Mark Scott, Evan Merk, Carlos A. Cruz, Max P. McDaniel 2023-10-31
11583840 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Eric D. Schwerdtfeger, Mark L. Hlavinka 2023-02-21
11583841 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Eric D. Schwerdtfeger, Mark L. Hlavinka 2023-02-21