Inventor · disambiguated record
Alfons Lechner
Also filed as: LECHNER ALFONS
7 granted patents·1 pending application·30 citations·filing 2001–2016
77Inventor score
Technology areasH05B
Files withPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH3BUSSE OLAF2OSRAM GMBH2PATENT TREUHAND GESELLSCAFT FU1
Top patents by PatentIndex Score
8 records- 0181US8134297B2Ballast for a discharge lamp with adaptive preheatingBUSSE OLAF·Filed 2006·Granted Mar 13, 2012·10 cites·16 claims
- 0271US6788001B2Lighting system with caring preheating of gas discharge lampsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2001·Granted Sep 7, 2004·18 cites·4 claims
- 0362US7309963B2Smoothing circuit for improving EMCPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Dec 18, 2007·2 cites·19 claims
- 0447US7327094B2Circuit arrangement and method for operating at least one electric lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Feb 5, 2008·0 cites·13 claims
- 0544US7786683B2Circuit arrangement and method for operating at least one electric lamp and at least one LEDOSRAM GMBH·Filed 2006·Granted Aug 31, 2010·0 cites·12 claims
- 0643US10219334B2Circuit arrangement for operating semiconductor light sourcesOSRAM GMBH·Filed 2016·Granted Feb 26, 2019·0 cites·16 claims
- 0742US2006290299A1Circuit arrangement and method for operating at least one LED and at least one electric lampBUSSE OLAF·Filed 2006·Application pending·0 cites
- 0835US7352079B2Electronic ballast for a lampPATENT TREUHAND GESELLSCAFT FU·Filed 2006·Granted Apr 1, 2008·0 cites·12 claims
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