Inventor · disambiguated record
Walter Limmer
Also filed as: LIMMER WALTER
14 granted patents·3 pending applications·72 citations·filing 1999–2013
89Inventor score
Files withBRAUN ALOIS6PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5OSRAM GMBH2FISCHER JUERGEN1LIMMER WALTER1
Top patents by PatentIndex Score
17 records- 0189US6268758B1Circuit arrangement with half-bridgePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Jul 31, 2001·40 cites·10 claims
- 0276US7145293B2Electronic ballast having resonance excitation for generating a transfer voltagePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Granted Dec 5, 2006·8 cites·6 claims
- 0369US9554430B2Lighting system with an interface having a power supply unit and at least one light source moduleOSRAM GMBH·Filed 2013·Granted Jan 24, 2017·1 cites·15 claims
- 0466US8531122B2Circuit arrangement and method for operation of a discharge lampBRAUN ALOIS·Filed 2008·Granted Sep 10, 2013·4 cites·12 claims
- 0563US7541744B2Electronic ballast for a high-pressure discharge lamp having a current-measuring deviceOSRAM GMBH·Filed 2006·Granted Jun 2, 2009·2 cites·8 claims
- 0663US6362576B1Circuit arrangement for igniting a lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Mar 26, 2002·13 cites·11 claims
- 0755US8760069B2Circuit arrangement and method for operating a high pressure discharge lampBRAUN ALOIS·Filed 2008·Granted Jun 24, 2014·1 cites·16 claims
- 0846US8492994B2Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lampBRAUN ALOIS·Filed 2008·Granted Jul 23, 2013·0 cites·11 claims
- 0942US8618739B2Circuit arrangement and method for operating discharge lampsBRAUN ALOIS·Filed 2010·Granted Dec 31, 2013·0 cites·15 claims
- 1041US8884544B2Method for operating a lamp and electronic ballastLIMMER WALTER·Filed 2008·Granted Nov 11, 2014·0 cites·13 claims
- 1137US6891337B2Lighting systemPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2003·Granted May 10, 2005·0 cites·9 claims
- 1237US2012013263A1Electronic Operating Device for Gas Discharge Lamps with Reduced Power Loss and Method for Operating the Operating DeviceFISCHER JUERGEN·Filed 2011·Application pending·0 cites
- 1337US2012286693A1Circuit Assembly and Method for Operating a Discharge LampBRAUN ALOIS·Filed 2010·Application pending·0 cites
- 1436US6831422B2Operating circuit with an improved power supply for a driver circuitPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2003·Granted Dec 14, 2004·1 cites·13 claims
- 1530US7116084B2Step-up converter having power factor correctionPATENT TREUHAND GES FUER ELERT·Filed 2004·Granted Oct 3, 2006·2 cites·6 claims
- 1629US2002141150A1Thermally conductive inlay mat for electrical and electronic appliancesFiled 1999·Application pending·0 cites
- 1727US8089220B2Circuit arrangement and method for operating a high-pressure discharge lampBRAUN ALOIS·Filed 2007·Granted Jan 3, 2012·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →