Inventor · disambiguated record
Waldemar Stephan
Also filed as: STEPHAN WALDEMAR
11 granted patents·1 pending application·172 citations·filing 1999–2008
90Inventor score
Top patents by PatentIndex Score
12 records- 0186US6474951B2Controller for pump and valveWILO GMBH·Filed 2001·Granted Nov 5, 2002·39 cites·8 claims
- 0280US6175173B1Tube pumpWILO GMBH·Filed 1999·Granted Jan 16, 2001·53 cites·11 claims
- 0370US6473562B1Method for low-speed operation of brushless DC motorsWILO GMBH·Filed 2000·Granted Oct 29, 2002·18 cites·9 claims
- 0466US8360755B2Wet-running pumpPIERBURG GMBH·Filed 2006·Granted Jan 29, 2013·4 cites·11 claims
- 0565US6276946B1Plug-in connection for electric motorsWILO GMBH·Filed 1999·Granted Aug 21, 2001·23 cites·12 claims
- 0664US6342770B1Method for starting brushless DC motorsWILO GMBH·Filed 2000·Granted Jan 29, 2002·19 cites·14 claims
- 0743US6801031B1Method and apparatus for current measurement for electronically-controlled pumpWILO GMBH·Filed 1999·Granted Oct 5, 2004·10 cites·11 claims
- 0836US2008186017A1Measuring Device for Angle and/or Path MeasurementBUERGER FRANK·Filed 2005·Application pending·0 cites
- 0931US6327424B1Method of and circuit for operating a motor using power transistorsWILO GMBH·Filed 1999·Granted Dec 4, 2001·2 cites·15 claims
- 1030US6272923B1Determining fill level of engine cooling systemPIERBURG AG·Filed 1999·Granted Aug 14, 2001·4 cites·7 claims
- 1127US8392060B2Method for feedback of states of an electric component to an engine control device of an internal combustion engineSTEPHAN WALDEMAR·Filed 2008·Granted Mar 5, 2013·0 cites·9 claims
- 1225US7646159B2Electrically commutated motor and method for controlling said motorPIERBURG GMBH·Filed 2006·Granted Jan 12, 2010·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →