Inventor · disambiguated record
Bernhard Ertl
Also filed as: ERTL BERNHARD
7 granted patents·68 citations·filing 1998–2009
82Inventor score
Files withOSRAM SYLVANIA INC3PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH2ERTL BERNHARD1OSRAM SYLVANIA1
Top patents by PatentIndex Score
7 records- 0174US7446488B1Metal halide lamp ballast controlled by remote enable switched bias supplyOSRAM SYLVANIA·Filed 2007·Granted Nov 4, 2008·8 cites·31 claims
- 0273US6323600B1Process for generating voltage pulse sequences and circuit assembly thereforPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1998·Granted Nov 27, 2001·39 cites·20 claims
- 0351US6411040B1Apparatus and circuit for operating a discharge lamp of a motor vehicle at two power levelsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1998·Granted Jun 25, 2002·15 cites·21 claims
- 0446US7057356B2High intensity discharge lamp with boost circuitOSRAM SYLVANIA INC·Filed 2004·Granted Jun 6, 2006·2 cites·6 claims
- 0543US8330443B2Circuit arrangement and method for controlling power convertersERTL BERNHARD·Filed 2009·Granted Dec 11, 2012·3 cites·12 claims
- 0643US7211965B2High intensity discharge lamp with current sense resistorOSRAM SYLVANIA INC·Filed 2004·Granted May 1, 2007·1 cites·2 claims
- 0740US7402956B2Ballast with zero voltage switching converterOSRAM SYLVANIA INC·Filed 2005·Granted Jul 22, 2008·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →