Inventor · disambiguated record
Ole K. Nilssen
Also filed as: NILSSEN OLE · NILSSEN OLE K
228 granted patents·3 pending applications·6,500 citations·filing 1974–2012
99Inventor score
Top patents by PatentIndex Score
231 records- 0199US4688154ATrack lighting system with plug-in adaptersNILSSEN OLE K·Filed 1984·Granted Aug 18, 1987·268 cites·29 claims
- 0298US5003227APower distribution for lighting systemsNILSSEN OLE K·Filed 1989·Granted Mar 26, 1991·219 cites·17 claims
- 0397US5661802AAuxiliary power and telephone signal distribution systemFiled 1996·Granted Aug 26, 1997·234 cites·21 claims
- 0496US5418433AFlashlight with hybrid battery and electronic control circuitFiled 1989·Granted May 23, 1995·112 cites·6 claims
- 0596US5068890ACombined signal and electrical power distribution systemNILSSEN OLE K·Filed 1990·Granted Nov 26, 1991·145 cites·60 claims
- 0695US5999094ACombination telephone and smoke alarm systemFiled 1993·Granted Dec 7, 1999·123 cites·30 claims
- 0793US4874989AElectronic ballast unit with integral light sensor and circuitNILSSEN OLE K·Filed 1986·Granted Oct 17, 1989·72 cites·20 claims
- 0893US4513364AThermally controllable variable frequency inverterNILSSEN OLE K·Filed 1983·Granted Apr 23, 1985·64 cites·6 claims
- 0993US4506318AInverter with controllable RMS output voltage magnitudeNILSSEN OLE K·Filed 1983·Granted Mar 19, 1985·61 cites·8 claims
- 1092US5955796AProgrammable wall switch actuator/timerFiled 1994·Granted Sep 21, 1999·65 cites·5 claims
- 1192US5210788ATelephone instrument and distribution systemNILSSEN OLE K·Filed 1992·Granted May 11, 1993·85 cites·17 claims
- 1291US5744915AElectronic ballast for instant-start lampsFiled 1992·Granted Apr 28, 1998·79 cites·28 claims
- 1390US4677345AInverter circuitsNILSSEN OLE K·Filed 1981·Granted Jun 30, 1987·64 cites·19 claims
- 1490US4593167AElectronic microwave oven power supplyNILSSEN OLE K·Filed 1982·Granted Jun 3, 1986·52 cites·38 claims
- 1590US4507698AInverter-type ballast with ground-fault protectionNILSSEN OLE K·Filed 1983·Granted Mar 26, 1985·54 cites·12 claims
- 1689US6017063AFinancial certificates, system and processFiled 1992·Granted Jan 25, 2000·70 cites·10 claims
- 1789US6002210AElectronic ballast with controlled-magnitude output voltageFiled 1994·Granted Dec 14, 1999·72 cites·10 claims
- 1889US5481160AElectronic ballast with FET bridge inverterFiled 1994·Granted Jan 2, 1996·87 cites·50 claims
- 1989US4866757ACombined telephone and power distribution systemNILSSEN OLE K·Filed 1987·Granted Sep 12, 1989·59 cites·29 claims
- 2089US4835413AElectronic wall switch actuatorNILSSEN OLE K·Filed 1987·Granted May 30, 1989·37 cites·18 claims
- 2189US4461980AProtection circuit for series resonant electronic ballastsNILSSEN OLE K·Filed 1982·Granted Jul 24, 1984·63 cites·9 claims
- 2288US5422546ADimmable parallel-resonant electric ballastFiled 1993·Granted Jun 6, 1995·72 cites·61 claims
- 2388US4631648AModular suspended ceiling and lighting systemNILSSEN OLE K·Filed 1984·Granted Dec 23, 1986·66 cites·29 claims
- 2487US4942348AElectronic air register controllerNILSSEN OLE K·Filed 1989·Granted Jul 17, 1990·47 cites·23 claims
- 2587US4712019AProgrammable electronic plug-in timerNILSSEN OLE K·Filed 1985·Granted Dec 8, 1987·55 cites·20 claims
- 2687US4667133APower-limited lighting systemNILSSEN OLE K·Filed 1984·Granted May 19, 1987·41 cites·21 claims
- 2785US6472827B1Parallel-resonant inverter-type fluorescent lamp ballastFiled 1993·Granted Oct 29, 2002·63 cites·26 claims
- 2885US6167278ACombination cordless-cellular telephone systemFiled 1993·Granted Dec 26, 2000·105 cites·4 claims
- 2985US4857806ASelf-ballasted screw-in fluorescent lampNILSSEN OLE K·Filed 1987·Granted Aug 15, 1989·47 cites·21 claims
- 3085US4692667AParallel-resonant bridge-inverter fluorescent lamp ballastNILSSEN OLE K·Filed 1984·Granted Sep 8, 1987·42 cites·9 claims
- 3184US6459213B1Ballast for parallel-connected lampsFiled 1992·Granted Oct 1, 2002·51 cites·32 claims
- 3284US4554487AElectronic fluorescent lamp ballast with overload protectionNILSSEN OLE K·Filed 1983·Granted Nov 19, 1985·41 cites·15 claims
- 3383US5623531AAuxiliary power for telephone distribution systemFiled 1994·Granted Apr 22, 1997·74 cites·12 claims
- 3483US5083784AInvestment lottery process and systemNILSSEN OLE K·Filed 1991·Granted Jan 28, 1992·72 cites·8 claims
- 3583US4935669ATwo-mode electronic ballastNILSSEN OLE K·Filed 1988·Granted Jun 19, 1990·40 cites·16 claims
- 3683US4667131AProtection circuit for fluorescent lamp ballastsNILSSEN OLE K·Filed 1984·Granted May 19, 1987·37 cites·2 claims
- 3783US4645942AClock with programmable actuator meansNILSSEN OLE K·Filed 1985·Granted Feb 24, 1987·28 cites·29 claims
- 3882US6100643AModular electronic lighting systemFiled 1997·Granted Aug 8, 2000·55 cites·44 claims
- 3982US5640069AModular lighting systemFiled 1996·Granted Jun 17, 1997·53 cites·34 claims
- 4082US5512801ABallast for instant-start parallel-connected lampsFiled 1994·Granted Apr 30, 1996·47 cites·34 claims
- 4182US5070522ACombined signal and power distribution systemNILSSEN OLE K·Filed 1989·Granted Dec 3, 1991·64 cites·8 claims
- 4282US4503363AElectronic ballast circuit for fluorescent lampsNILSSEN OLE K·Filed 1983·Granted Mar 5, 1985·37 cites·17 claims
- 4381US5426347ALighting system with emergency standby featureFiled 1994·Granted Jun 20, 1995·48 cites·21 claims
- 4481US5047696APower-limited ceiling lighting systemNILSSEN OLE K·Filed 1989·Granted Sep 10, 1991·37 cites·20 claims
- 4581US4184128AHigh efficiency push-pull invertersNILSSEN OLE K·Filed 1978·Granted Jan 15, 1980·34 cites·11 claims
- 4680US5757144AGas discharge lamp ballasting meansFiled 1995·Granted May 26, 1998·49 cites·34 claims
- 4780US5691603AElectronic ballast with multiple lamp loadsFiled 1995·Granted Nov 25, 1997·59 cites·31 claims
- 4880US5402043AControlled driven series-resonant ballastFiled 1993·Granted Mar 28, 1995·54 cites·31 claims
- 4980US4626747AClass-3 lighting systemNILSSEN OLE K·Filed 1984·Granted Dec 2, 1986·33 cites·19 claims
- 5080US4563719ABallasts with built-in ground-fault protectionNILSSEN OLE K·Filed 1984·Granted Jan 7, 1986·32 cites·29 claims
Showing the top 50 of 231 patent records by PatentIndex Score.
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