Inventor · disambiguated record
Peter Krummel
Also filed as: KRUMMEL PETER
13 granted patents·276 citations·filing 1983–2013
92Inventor score
Top patents by PatentIndex Score
13 records- 0185US6717374B2Microcontroller, switched-mode power supply, ballast for operating at least one electric lamp, and method of operating at least one electric lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2002·Granted Apr 6, 2004·37 cites·29 claims
- 0283US6972531B2Method for operating at least one low-pressure discharge lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2004·Granted Dec 6, 2005·31 cites·9 claims
- 0376US5854538ACircuit arrangement for electrode pre-heating of a fluorescent lampSIEMENS AG·Filed 1996·Granted Dec 29, 1998·56 cites·6 claims
- 0476US4996462AElectronic ballast for fluoroscent lampsSIEMENS AG·Filed 1989·Granted Feb 26, 1991·39 cites·5 claims
- 0575US4547706AInverter with a load circuit containing a series oscillating circuit and a discharge lampSIEMENS AG·Filed 1983·Granted Oct 15, 1985·29 cites·6 claims
- 0672US4481460AInverter with charging regulator having a variable keying ratioSIEMENS AG·Filed 1983·Granted Nov 6, 1984·30 cites·7 claims
- 0765US4616158AArrangement for shutting off an inverterSIEMENS AG·Filed 1983·Granted Oct 7, 1986·22 cites·5 claims
- 0860US8098022B2Circuit configuration for operating at least one discharge lamp and method for generating an auxiliary voltageKRUMMEL PETER·Filed 2007·Granted Jan 17, 2012·2 cites·10 claims
- 0957US5705894AMethod for operating at least one fluorescent lamp with an electronic ballast, as well as ballast thereforSIEMENS AG·Filed 1995·Granted Jan 6, 1998·24 cites·17 claims
- 1055US6310447B1Method for operating at least one fluorescent lamp, and electronic ballast thereforPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2000·Granted Oct 30, 2001·6 cites·8 claims
- 1147US9295121B2Circuit arrangement and method for operating and dimming at least one LEDOSRAM GMBH·Filed 2013·Granted Mar 22, 2016·0 cites·13 claims
- 1242US8796941B2Method and circuit arrangement for operating at least one discharge lampKRUMMEL PETER·Filed 2008·Granted Aug 5, 2014·0 cites·7 claims
- 1330US8878462B2Circuit arrangement and method for operating at least one discharge lampKRUMMEL PETER·Filed 2011·Granted Nov 4, 2014·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Peter Krummel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →