Inventor · disambiguated record
Ralph E. Hearn
Also filed as: HEARN JR RALPH EUGENE · HEARN RALPH E
4 granted patents·82 citations·filing 1974–2021
76Inventor score
Top patents by PatentIndex Score
4 records- 0173US5442261AEnergy saving lamp controllerT T I CORP·Filed 1993·Granted Aug 15, 1995·42 cites·10 claims
- 0263US3961120ACoating glass sheets on both surfacesPPG INDUSTRIES INC·Filed 1974·Granted Jun 1, 1976·24 cites·12 claims
- 0348US5252894AEnergy saving flourescent lamp controllerT T I CORP·Filed 1992·Granted Oct 12, 1993·16 cites·5 claims
- 0423US11815053B2Fuel treatment system and processSTC DEV B V·Filed 2021·Granted Nov 14, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →