Assignee
ENERGY SAVINGS INC
US·19 granted patents·907 citations·filing 1993–2000
Top patents by PatentIndex Score
19 records- 0193US5925990AMicroprocessor controlled electronic ballastENERGY SAVINGS INC·Filed 1997·Granted Jul 20, 1999·202 cites·32 claims
- 0292US6333605B1Light modulating electronic ballastENERGY SAVINGS INC·Filed 1999·Granted Dec 25, 2001·153 cites·12 claims
- 0391US5539281AExternally dimmable electronic ballastENERGY SAVINGS INC·Filed 1995·Granted Jul 23, 1996·104 cites·9 claims
- 0488US5973455AElectronic ballast with filament cut-outENERGY SAVINGS INC·Filed 1998·Granted Oct 26, 1999·82 cites·15 claims
- 0584US5500576ALow height ballast for fluorescent lampsENERGY SAVINGS INC·Filed 1994·Granted Mar 19, 1996·50 cites·13 claims
- 0679US5396155ASelf-dimming electronic ballastENERGY SAVINGS INC·Filed 1994·Granted Mar 7, 1995·45 cites·14 claims
- 0777US6023132AElectronic ballast deriving auxilliary power from lamp outputENERGY SAVINGS INC·Filed 1998·Granted Feb 8, 2000·44 cites·12 claims
- 0871US5461287ABooster driven inverter ballast employing the output from the inverter to trigger the boosterENERGY SAVINGS INC·Filed 1994·Granted Oct 24, 1995·28 cites·7 claims
- 0968US5936357AElectronic ballast that manages switching frequencies for extrinsic purposesENERGY SAVINGS INC·Filed 1998·Granted Aug 10, 1999·36 cites·25 claims
- 1068US5747941AElectronic ballast that monitors direct current through lamp filamentsENERGY SAVINGS INC·Filed 1995·Granted May 5, 1998·29 cites·5 claims
- 1167US6437520B1Electronic ballast with cross-coupled outputsENERGY SAVINGS INC·Filed 2000·Granted Aug 20, 2002·13 cites·15 claims
- 1266US5493181ACapacitive lamp out detectorENERGY SAVINGS INC·Filed 1995·Granted Feb 20, 1996·27 cites·17 claims
- 1358US5789866AElectronic ballast with reversely wound filament windingENERGY SAVINGS INC·Filed 1997·Granted Aug 4, 1998·20 cites·6 claims
- 1454US6091199AHeat spreader for electronic ballastENERGY SAVINGS INC·Filed 1997·Granted Jul 18, 2000·21 cites·9 claims
- 1554US5982113AElectronic ballast producing voltage having trapezoidal envelope for instant start lampsENERGY SAVINGS INC·Filed 1997·Granted Nov 9, 1999·13 cites·5 claims
- 1652US6137239AElectronic ballast with selective load controlENERGY SAVINGS INC·Filed 1999·Granted Oct 24, 2000·16 cites·16 claims
- 1740US6111365AFast starting, surge limited, electronic ballastENERGY SAVINGS INC·Filed 1999·Granted Aug 29, 2000·8 cites·10 claims
- 1839US6177769B1Electric Ballast with selective power dissipationENERGY SAVINGS INC·Filed 1999·Granted Jan 23, 2001·8 cites·8 claims
- 1937US5440475AElectronic Ballast with low harmonic distortionENERGY SAVINGS INC·Filed 1993·Granted Aug 8, 1995·8 cites·10 claims
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