Assignee
ADVANCE TRANSFORMER CO
US·17 granted patents·190 citations·filing 1977–1987
Top patents by PatentIndex Score
17 records- 0166US4729088ARegulated high frequency power supplyADVANCE TRANSFORMER CO·Filed 1987·Granted Mar 1, 1988·24 cites·8 claims
- 0264US4406976ADischarge lamp ballast circuitADVANCE TRANSFORMER CO·Filed 1981·Granted Sep 27, 1983·20 cites·14 claims
- 0363US4565415ASocket for fluorescent lampsADVANCE TRANSFORMER CO·Filed 1983·Granted Jan 21, 1986·24 cites·13 claims
- 0460US4740861AThermal protection device for a dual input voltage lamp transformer/ballast apparatusADVANCE TRANSFORMER CO·Filed 1986·Granted Apr 26, 1988·18 cites·15 claims
- 0557US4791529AProtected potted metallized film capacitorADVANCE TRANSFORMER CO·Filed 1987·Granted Dec 13, 1988·13 cites·13 claims
- 0657US4695771AIgnition circuit for high pressure arc discharge lampsADVANCE TRANSFORMER CO·Filed 1985·Granted Sep 22, 1987·24 cites·27 claims
- 0750US4939430AIgnitor circuit for discharge lamps with novel ballastADVANCE TRANSFORMER CO·Filed 1987·Granted Jul 3, 1990·13 cites·13 claims
- 0845US4356431AMagnetron energizing circuitADVANCE TRANSFORMER CO·Filed 1978·Granted Oct 26, 1982·10 cites·5 claims
- 0944US4847535AHybrid ballast for multiple discharge lampsADVANCE TRANSFORMER CO·Filed 1983·Granted Jul 11, 1989·9 cites·7 claims
- 1043US4153493ACapacitor winding apparatus and methodADVANCE TRANSFORMER CO·Filed 1977·Granted May 8, 1979·9 cites·59 claims
- 1139US4642521ACompact igniter for discharge lampsADVANCE TRANSFORMER CO·Filed 1984·Granted Feb 10, 1987·7 cites·13 claims
- 1230US4740731ATwo capacitor apparatus for sequential starting and operation of multiple series connected discharge lampsADVANCE TRANSFORMER CO·Filed 1986·Granted Apr 26, 1988·4 cites·20 claims
- 1330US4593231AThree-way fluorescent lamp deviceADVANCE TRANSFORMER CO·Filed 1984·Granted Jun 3, 1986·3 cites·59 claims
- 1428US4714979AProtected potted metallized film capacitorADVANCE TRANSFORMER CO·Filed 1986·Granted Dec 22, 1987·2 cites·8 claims
- 1528US4568860ARapid start fluorescent lamp circuits with disconnect socketsADVANCE TRANSFORMER CO·Filed 1983·Granted Feb 4, 1986·3 cites·7 claims
- 1627US4517498ASequence start lamp ballast with current spike suppression meansADVANCE TRANSFORMER CO·Filed 1982·Granted May 14, 1985·3 cites·23 claims
- 1726US4876486ATwo-lead starter circuit for a gaseous discharge lampADVANCE TRANSFORMER CO·Filed 1987·Granted Oct 24, 1989·4 cites·2 claims
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