Inventor · disambiguated record

Edgar Andreas Steigerwald

Also filed as: STEIGERWALD EDGAR ANDREAS

2 granted patents·53 citations·filing 1993–1997

63Inventor score

Technology areasC10M C10N

Files withEXXON RESEARCH ENGINEERING CO1 EXXONMOBIL RES & ENG CO1

Top patents by PatentIndex Score

2 records

0176US6232279B1Fuel-economy lubrication-effective engine oil compositionEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted May 15, 2001·44 cites·13 claims
0243US6521570B2Automotive lubricantEXXONMOBIL RES & ENG CO·Filed 1993·Granted Feb 18, 2003·9 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →