Assignee
NILSSEN OLE K
156 granted patents·2 pending applications·4,216 citations·filing 1978–2011
Top patents by PatentIndex Score
158 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
- 0396US5068890ACombined signal and electrical power distribution systemNILSSEN OLE K·Filed 1990·Granted Nov 26, 1991·145 cites·60 claims
- 0493US4874989AElectronic ballast unit with integral light sensor and circuitNILSSEN OLE K·Filed 1986·Granted Oct 17, 1989·72 cites·20 claims
- 0593US4513364AThermally controllable variable frequency inverterNILSSEN OLE K·Filed 1983·Granted Apr 23, 1985·64 cites·6 claims
- 0693US4506318AInverter with controllable RMS output voltage magnitudeNILSSEN OLE K·Filed 1983·Granted Mar 19, 1985·61 cites·8 claims
- 0792US5210788ATelephone instrument and distribution systemNILSSEN OLE K·Filed 1992·Granted May 11, 1993·85 cites·17 claims
- 0890US4677345AInverter circuitsNILSSEN OLE K·Filed 1981·Granted Jun 30, 1987·64 cites·19 claims
- 0990US4593167AElectronic microwave oven power supplyNILSSEN OLE K·Filed 1982·Granted Jun 3, 1986·52 cites·38 claims
- 1090US4507698AInverter-type ballast with ground-fault protectionNILSSEN OLE K·Filed 1983·Granted Mar 26, 1985·54 cites·12 claims
- 1189US4866757ACombined telephone and power distribution systemNILSSEN OLE K·Filed 1987·Granted Sep 12, 1989·59 cites·29 claims
- 1289US4835413AElectronic wall switch actuatorNILSSEN OLE K·Filed 1987·Granted May 30, 1989·37 cites·18 claims
- 1389US4461980AProtection circuit for series resonant electronic ballastsNILSSEN OLE K·Filed 1982·Granted Jul 24, 1984·63 cites·9 claims
- 1488US6814462B1Under-cabinet lighting systemNILSSEN OLE K·Filed 2000·Granted Nov 9, 2004·48 cites·19 claims
- 1588US4631648AModular suspended ceiling and lighting systemNILSSEN OLE K·Filed 1984·Granted Dec 23, 1986·66 cites·29 claims
- 1687US4942348AElectronic air register controllerNILSSEN OLE K·Filed 1989·Granted Jul 17, 1990·47 cites·23 claims
- 1787US4712019AProgrammable electronic plug-in timerNILSSEN OLE K·Filed 1985·Granted Dec 8, 1987·55 cites·20 claims
- 1887US4667133APower-limited lighting systemNILSSEN OLE K·Filed 1984·Granted May 19, 1987·41 cites·21 claims
- 1985US4857806ASelf-ballasted screw-in fluorescent lampNILSSEN OLE K·Filed 1987·Granted Aug 15, 1989·47 cites·21 claims
- 2085US4692667AParallel-resonant bridge-inverter fluorescent lamp ballastNILSSEN OLE K·Filed 1984·Granted Sep 8, 1987·42 cites·9 claims
- 2184US4554487AElectronic fluorescent lamp ballast with overload protectionNILSSEN OLE K·Filed 1983·Granted Nov 19, 1985·41 cites·15 claims
- 2283US6508567B1Fire rated cover for luminairesNILSSEN OLE K·Filed 2000·Granted Jan 21, 2003·37 cites·20 claims
- 2383US6260981B1Luminaires, primarily for suspended ceilings, capable of being nested to reduce shipping and storage volumeNILSSEN OLE K·Filed 1999·Granted Jul 17, 2001·58 cites·55 claims
- 2483US5083784AInvestment lottery process and systemNILSSEN OLE K·Filed 1991·Granted Jan 28, 1992·72 cites·8 claims
- 2583US4935669ATwo-mode electronic ballastNILSSEN OLE K·Filed 1988·Granted Jun 19, 1990·40 cites·16 claims
- 2683US4667131AProtection circuit for fluorescent lamp ballastsNILSSEN OLE K·Filed 1984·Granted May 19, 1987·37 cites·2 claims
- 2783US4645942AClock with programmable actuator meansNILSSEN OLE K·Filed 1985·Granted Feb 24, 1987·28 cites·29 claims
- 2882US5070522ACombined signal and power distribution systemNILSSEN OLE K·Filed 1989·Granted Dec 3, 1991·64 cites·8 claims
- 2982US4503363AElectronic ballast circuit for fluorescent lampsNILSSEN OLE K·Filed 1983·Granted Mar 5, 1985·37 cites·17 claims
- 3081US5047696APower-limited ceiling lighting systemNILSSEN OLE K·Filed 1989·Granted Sep 10, 1991·37 cites·20 claims
- 3181US4184128AHigh efficiency push-pull invertersNILSSEN OLE K·Filed 1978·Granted Jan 15, 1980·34 cites·11 claims
- 3280US6860617B2Compact luminaireNILSSEN OLE K·Filed 2002·Granted Mar 1, 2005·29 cites·102 claims
- 3380US4626747AClass-3 lighting systemNILSSEN OLE K·Filed 1984·Granted Dec 2, 1986·33 cites·19 claims
- 3480US4563719ABallasts with built-in ground-fault protectionNILSSEN OLE K·Filed 1984·Granted Jan 7, 1986·32 cites·29 claims
- 3579US4675576AHigh-reliability high-efficiency electronic ballastNILSSEN OLE K·Filed 1985·Granted Jun 23, 1987·35 cites·13 claims
- 3679US4651059AHigh-frequency power-limited lighting systemNILSSEN OLE K·Filed 1984·Granted Mar 17, 1987·32 cites·20 claims
- 3779US4538095ASeries-resonant electronic ballast circuitNILSSEN OLE K·Filed 1983·Granted Aug 27, 1985·33 cites·13 claims
- 3878US4307353ABias control for high efficiency inverter circuitNILSSEN OLE K·Filed 1979·Granted Dec 22, 1981·20 cites·22 claims
- 3978US4259618AElectronic assemblyNILSSEN OLE K·Filed 1978·Granted Mar 31, 1981·27 cites·11 claims
- 4076US4998044AEfficacy incandescent light bulbsNILSSEN OLE K·Filed 1985·Granted Mar 5, 1991·33 cites·20 claims
- 4175US5084653APower-line-isolated dimmable electronic ballastNILSSEN OLE K·Filed 1991·Granted Jan 28, 1992·33 cites·18 claims
- 4274US6439736B1Flattenable luminaireNILSSEN OLE K·Filed 1999·Granted Aug 27, 2002·41 cites·20 claims
- 4373US5004955AElectronic ballast with shock protection featureNILSSEN OLE K·Filed 1989·Granted Apr 2, 1991·31 cites·11 claims
- 4472US5214356ADimmable fluorescent lamp ballastNILSSEN OLE K·Filed 1992·Granted May 25, 1993·29 cites·21 claims
- 4572US5180952AElectronic track lighting systemNILSSEN OLE K·Filed 1992·Granted Jan 19, 1993·40 cites·13 claims
- 4672US5001400APower factor correction in electronic ballastsNILSSEN OLE K·Filed 1990·Granted Mar 19, 1991·34 cites·28 claims
- 4771US6435693B1Lighting assemblies for mounting in suspended ceiling configured to permit more compact shipment and storageNILSSEN OLE K·Filed 1999·Granted Aug 20, 2002·36 cites·26 claims
- 4871US5027032AElectronically controlled magnetic fluorescent lamp ballastNILSSEN OLE K·Filed 1990·Granted Jun 25, 1991·33 cites·22 claims
- 4971US4983887AControlled series-resonance-loaded ballastNILSSEN OLE K·Filed 1989·Granted Jan 8, 1991·23 cites·13 claims
- 5071US4502107AFull-bridge electronic inverter circuitNILSSEN OLE K·Filed 1982·Granted Feb 26, 1985·20 cites·12 claims
Showing the top 50 of 158 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when NILSSEN OLE K files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →