Inventor · disambiguated record
Hans-Erik Pfitzer
Also filed as: PFITZER HANS · PFITZER HANS-ERIK
11 granted patents·1 pending application·182 citations·filing 2002–2015
91Inventor score
Files withEATON CORP4PFITZER HANS-ERIK4EATON POWER QUALITY CORP2ABB SCHWEIZ AG1THOMAS & BETTS INT LLC1
Top patents by PatentIndex Score
12 records- 0187US8929042B2Surge protective device with contollerPFITZER HANS-ERIK·Filed 2012·Granted Jan 6, 2015·12 cites·20 claims
- 0287US7405494B2AC power supply apparatus, methods and computer program products using PWM synchronizationEATON CORP·Filed 2004·Granted Jul 29, 2008·65 cites·35 claims
- 0384US7948778B2Self-testing power supply apparatus, methods and computer program productsEATON CORP·Filed 2008·Granted May 24, 2011·20 cites·6 claims
- 0482US8716885B2Disconnect switch for distributed energy systemPFITZER HANS-ERIK·Filed 2011·Granted May 6, 2014·11 cites·20 claims
- 0580US7800924B2Power converter apparatus and methods using neutral coupling circuits with interleaved operationEATON CORP·Filed 2007·Granted Sep 21, 2010·16 cites·21 claims
- 0674US9705310B2Adaptive fault clearing based on power transistor temperatureTHOMAS & BETTS INT LLC·Filed 2014·Granted Jul 11, 2017·3 cites·30 claims
- 0773US9190871B2Distributed energy system disconnect switch with mechanical isolationPFITZER HANS-ERIK·Filed 2012·Granted Nov 17, 2015·5 cites·20 claims
- 0870US7088601B2Power conversion apparatus and methods using DC bus shiftingEATON POWER QUALITY CORP·Filed 2004·Granted Aug 8, 2006·25 cites·38 claims
- 0969US11050250B2Static transfer switch system with real time flux controlABB SCHWEIZ AG·Filed 2015·Granted Jun 29, 2021·2 cites·20 claims
- 1056US7561451B2Power converter apparatus and methods using a phase reference derived from a DC bus voltageEATON CORP·Filed 2004·Granted Jul 14, 2009·13 cites·31 claims
- 1153US7247955B2PWM power supplies using controlled feedback timing and methods of operating sameEATON POWER QUALITY CORP·Filed 2002·Granted Jul 24, 2007·10 cites·34 claims
- 1241US2005286274A1Self-testing power supply apparatus, methods and computer program productsPFITZER HANS-ERIK·Filed 2004·Application pending·0 cites
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