Inventor · disambiguated record
Huifang Shao
Also filed as: SHAO HUIFANG
6 granted patents·1 pending application·8 citations·filing 2014–2022
75Inventor score
Top patents by PatentIndex Score
7 records- 0191US11753599B2Lubricating compositions for a hybrid engineAFTON CHEMICAL CORP·Filed 2022·Granted Sep 12, 2023·2 cites·11 claims
- 0283US11441458B2Gasoline particulate filters with high initial filtering efficiency and methods of making sameAFTON CHEMICAL CORP·Filed 2020·Granted Sep 13, 2022·1 cites·7 claims
- 0383US10774722B2Predictive methods for emissions control systems performanceAFTON CHEMICAL CORP·Filed 2018·Granted Sep 15, 2020·2 cites·11 claims
- 0482US10774708B2Gasoline particulate filters with high initial filtering efficiency and methods of making sameAFTON CHEMICAL CORP·Filed 2018·Granted Sep 15, 2020·1 cites·4 claims
- 0581US11401855B2Predictive methods for emissions control systems performanceAFTON CHEMICAL CORP·Filed 2020·Granted Aug 2, 2022·1 cites·4 claims
- 0667US9587190B2Fuel composition and method of formulating a fuel composition to reduce real-world driving cycle particulate emissionsMEFFERT MICHAEL WAYNE·Filed 2014·Granted Mar 7, 2017·1 cites·11 claims
- 0756US2023383211A1Engine oil formluation for controlling particulate emissionsAFTON CHEMICAL CORP·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →