Inventor · disambiguated record
Leah Donham
Also filed as: DONHAM LEAH
4 granted patents·1 pending application·5 citations·filing 2021–2024
62Inventor score
Files withAFTON CHEMICAL CORP5
Top patents by PatentIndex Score
5 records- 0191US11926804B1Dispersant and detergent systems for improved motor oil performanceAFTON CHEMICAL CORP·Filed 2023·Granted Mar 12, 2024·3 cites·18 claims
- 0287US11578287B1Mixed fleet capable lubricating compositionsAFTON CHEMICAL CORP·Filed 2021·Granted Feb 14, 2023·2 cites·27 claims
- 0382US12480066B2Antiwear systems for improved wear in medium and/or heavy duty diesel enginesAFTON CHEMICAL CORP·Filed 2024·Granted Nov 25, 2025·0 cites·18 claims
- 0476US12110468B1Antiwear systems for improved wear in medium and/or heavy duty diesel enginesAFTON CHEMICAL CORP·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 0554US2025075144A1Detergent and dispersant systems for improved steel piston cleanliness in heavy duty lubricantsAFTON CHEMICAL CORP·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →