Inventor · disambiguated record
Keith Billings
Also filed as: BILLINGS KEITH · BILLINGS KEITH H
7 granted patents·1 pending application·265 citations·filing 1981–2001
87Inventor score
Top patents by PatentIndex Score
8 records- 0192US4353113ASwitch mode convertersELECTROTECH INSTR LTD·Filed 1981·Granted Oct 5, 1982·57 cites·8 claims
- 0291US5682067ACircuit for reversing polarity on electrodesSIERRA APPLIED SCIENCES INC·Filed 1996·Granted Oct 28, 1997·76 cites·23 claims
- 0389US5815388APolarity reversing circuit having energy compensationSIERRA APPLIED SCIENCES INC·Filed 1997·Granted Sep 29, 1998·64 cites·28 claims
- 0486US5882492AA.C. plasma processing systemSIERRA APPLIED SCIENCES INC·Filed 1996·Granted Mar 16, 1999·56 cites·20 claims
- 0535US6366029B1Lamp ballast for reducing interference currentFiled 2000·Granted Apr 2, 2002·4 cites·16 claims
- 0635US6107751ACurrent fed, parallel resonant ballastFiled 1998·Granted Aug 22, 2000·8 cites·24 claims
- 0724US2002153848A1Lamp ballast for reducing interference currentFiled 2001·Application pending·0 cites
- 0822US6326737B1Current fed parallel resonant ballastFiled 1999·Granted Dec 4, 2001·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →