Inventor · disambiguated record
Roger L. Leisenring, Jr.
Also filed as: LEISENRING JR ROGER L · LEISENRING ROGER L
4 granted patents·1 pending application·17 citations·filing 1984–2015
67Inventor score
Top patents by PatentIndex Score
5 records- 0181US9051525B2Composition for reducing polynuclear aromatic hydrocarbon emissionsKIOR INC·Filed 2013·Granted Jun 9, 2015·3 cites·31 claims
- 0253US10329507B2Composition for reducing polynuclear aromatic hydrocarbon emissionsINAERIS TECH LLC·Filed 2015·Granted Jun 25, 2019·0 cites·22 claims
- 0349US9624446B2Low temperature property value reducing compositionsTREWELLA JEFFREY C·Filed 2012·Granted Apr 18, 2017·0 cites·48 claims
- 0443US4600562AMethod and apparatus for filtering engine exhaust gasTEXACO INC·Filed 1984·Granted Jul 15, 1986·14 cites·10 claims
- 0531US2004192565A1Lubricating oil compositions and methods for improving fuel economy in an internal combustion engine using sameFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →