Inventor · disambiguated record
Felix Franck
Also filed as: FRANCK FELIX
24 granted patents·4 pending applications·173 citations·filing 1997–2021
95Inventor score
Files withPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH17FRANCK FELIX3OSRAM GMBH2ANGELIN FRANCESCO1DELLIAN HARALD1
Top patents by PatentIndex Score
28 records- 0187US6475038B1Connector terminalPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Nov 5, 2002·41 cites·11 claims
- 0262US8264159B2Circuit arrangement and method for operating at least one LED and at least one fluorescent lampDELLIAN HARALD·Filed 2007·Granted Sep 11, 2012·2 cites·16 claims
- 0362US7394207B2Circuit arrangement having a full bridge with switching load relief for operating lampsPATENT TREUHAND GES FUER GLUEH·Filed 2005·Granted Jul 1, 2008·2 cites·10 claims
- 0460US6377107B1Fast turn-off circuit arrangementPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Apr 23, 2002·9 cites·27 claims
- 0557US8138682B2Symmetrical RF power supply for inductively coupled electrodeless lampsGODYAK VALERY A·Filed 2008·Granted Mar 20, 2012·2 cites·9 claims
- 0657US6847174B2Drive for a half-bridge inverterPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2003·Granted Jan 25, 2005·12 cites·12 claims
- 0756US6266259B1Half-bridge inverterPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Jul 24, 2001·12 cites·9 claims
- 0855US7443106B2Circuit with switch-off device for the operation of light sourcesPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Granted Oct 28, 2008·2 cites·7 claims
- 0953US9560702B2Light source module, power supply unit for operating a light source module of this kind, and lighting systemOSRAM GMBH·Filed 2014·Granted Jan 31, 2017·0 cites·20 claims
- 1053US6144568ACircuit arrangement for operating electrical lampsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1999·Granted Nov 7, 2000·22 cites·11 claims
- 1152US11252802B2Circuit arrangement for a light sourceOSRAM GMBH·Filed 2021·Granted Feb 15, 2022·0 cites·18 claims
- 1252US6777860B2Luminous element for lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Aug 17, 2004·3 cites·20 claims
- 1351US5880564AHigh-frequency operating circuit for a low-pressure discharge lamp with improved electromagnetic compatibilityPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1997·Granted Mar 9, 1999·14 cites·8 claims
- 1450US6600667B2Electronic transformerPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2001·Granted Jul 29, 2003·11 cites·16 claims
- 1549US6272032B1Rectifier with midpoint feedPATENT TREUH ND GES FUER ELEK·Filed 2000·Granted Aug 7, 2001·11 cites·8 claims
- 1646US6710474B2Circuit arrangement for switching on a partial circuit arrangementPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2002·Granted Mar 23, 2004·2 cites·9 claims
- 1746US6603674B2Electronic transformer with good immunity against high-voltage pulsesPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2001·Granted Aug 5, 2003·7 cites·11 claims
- 1842US6137235ALow-resistance bipolar bridge circuitPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1999·Granted Oct 24, 2000·11 cites·15 claims
- 1941US9392656B2Method of driving LED lighting sources and related deviceANGELIN FRANCESCO·Filed 2012·Granted Jul 12, 2016·0 cites·10 claims
- 2040US2005275353A1Circuit for the operation of light sourcesPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Application pending·0 cites
- 2139US8596834B2Heatsink and illumination system with a heatsinkFRANCK FELIX·Filed 2007·Granted Dec 3, 2013·0 cites·28 claims
- 2239US5939832ASafety disconnection with asymmetric lamp powerPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1997·Granted Aug 17, 1999·7 cites·5 claims
- 2336US6486613B2Reducing the clamping voltage of operating devices for gas discharge lampsPATENT TREUHAND GES FUER ELECK·Filed 2001·Granted Nov 26, 2002·0 cites·3 claims
- 2436US2005237771A1Circuit for converting an AC voltage to a DC voltagePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Application pending·0 cites
- 2536US2013187561A1Circuit Arrangement for Operating at Least Two Semiconductor Light SourcesFRANCK FELIX·Filed 2011·Application pending·0 cites
- 2635US2012241778A1Light-emitting device and method for assembling a light-emitting deviceFRANCK FELIX·Filed 2010·Application pending·0 cites
- 2733US6778373B2Rectifier circuit suited to power factor correctionPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2001·Granted Aug 17, 2004·1 cites·5 claims
- 2830US6172890B1Half bridge circuit drive without collector bias current peakPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1998·Granted Jan 9, 2001·2 cites·10 claims
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