Inventor · disambiguated record
Frederick Hetzel
Also filed as: HETZEL FREDERICK
9 granted patents·191 citations·filing 1979–1998
88Inventor score
Files withGEN ELECTRIC9
Top patents by PatentIndex Score
9 records- 0193US6084359ACoil assembly for an electrodeless fluorescent lampGEN ELECTRIC·Filed 1997·Granted Jul 4, 2000·116 cites·17 claims
- 0287US4258287ACircular fluorescent lamp unitGEN ELECTRIC·Filed 1979·Granted Mar 24, 1981·26 cites·8 claims
- 0349USD391650SFluorescent lampGEN ELECTRIC·Filed 1997·Granted Mar 3, 1998·7 cites·1 claims
- 0447US6232707B1Wedge base lampGEN ELECTRIC·Filed 1998·Granted May 15, 2001·14 cites·21 claims
- 0543US4928032AMeans for converting a lamp with a screw-type base into a lamp with a bi-pin baseGEN ELECTRIC·Filed 1989·Granted May 22, 1990·14 cites·14 claims
- 0642US5440199ABase for electrodeless discharge lampGEN ELECTRIC·Filed 1992·Granted Aug 8, 1995·9 cites·19 claims
- 0731US4447861ACircular fluorescent lamp unitGEN ELECTRIC·Filed 1981·Granted May 8, 1984·3 cites·2 claims
- 0828US4525230AMethod of manufacturing a ballast resistor support memberGEN ELECTRIC·Filed 1984·Granted Jun 25, 1985·2 cites·3 claims
- 0922US4418328AMethod of manufacturing a ballast resistor support member and finished articleGEN ELECTRIC·Filed 1981·Granted Nov 29, 1983·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →