Inventor · disambiguated record
Richard Koeppl
Also filed as: KOEPPL RICHARD · KOEPPL RICHARD H
4 granted patents·35 citations·filing 1999–2003
75Inventor score
Top patents by PatentIndex Score
4 records- 0164US6906474B2Three-phase electronic ballastOSRAM SYLVANIA INC·Filed 2003·Granted Jun 14, 2005·11 cites·10 claims
- 0260US6680587B1Electronic ballast with adaptable charge pump power factor correctionOSRAM SYLVANIA INC·Filed 2002·Granted Jan 20, 2004·9 cites·16 claims
- 0346US6291947B1Circuit arrangement for operating at least one discharge lampPATENT TREUHAND GELSELLSCHAFT·Filed 2000·Granted Sep 18, 2001·4 cites·7 claims
- 0438US6191677B1Inductance elementPATENT TREUHAND GES FUER ELKTR·Filed 1999·Granted Feb 20, 2001·11 cites·19 claims
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