Inventor · disambiguated record
Frank Greizer
Also filed as: GREIZER FRANK
17 granted patents·1 pending application·155 citations·filing 2004–2013
93Inventor score
Top patents by PatentIndex Score
18 records- 0193US8837098B2Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2012·Granted Sep 16, 2014·16 cites·21 claims
- 0293US7576449B2Method for converting direct voltage into three-phase alternating voltageSMA SOLAR TECHNOLOGY AG·Filed 2007·Granted Aug 18, 2009·41 cites·13 claims
- 0388US7411802B2Method of converting a direct current voltage from a source of direct current voltage, more specifically from a photovoltaic source of direct current voltage, into a alternating current voltageSMA SOLAR TECHNOLOGY AG·Filed 2005·Granted Aug 12, 2008·37 cites·7 claims
- 0478US7843714B2Inverter, more specifically for photovoltaic plantsSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Nov 30, 2010·12 cites·11 claims
- 0577US8053930B2Solar power plantSMA SOLAR TECHNOLOGY AG·Filed 2009·Granted Nov 8, 2011·13 cites·11 claims
- 0674US7924582B2Switching device and method, in particular for photovoltaic generatorsSMA SOLAR TECHNOLOGY AG·Filed 2007·Granted Apr 12, 2011·13 cites·2 claims
- 0773US8717719B2Inverter, power generation system and method of operating a power generation systemVICTOR MATTHIAS·Filed 2011·Granted May 6, 2014·3 cites·19 claims
- 0871US8213133B2Load breaker arrangementBUCHHOLD STEFAN·Filed 2008·Granted Jul 3, 2012·5 cites·7 claims
- 0961US8482936B2Method of and apparatus for connecting a photovoltaic device to an AC power gridFALK ANDREAS·Filed 2011·Granted Jul 9, 2013·2 cites·24 claims
- 1059US9780550B2Protective device for a photovoltaic systemSMA SOLAR TECHNOLOGY AG·Filed 2013·Granted Oct 3, 2017·1 cites·23 claims
- 1159USRE45453EInverter, more specifically for photovoltaic plantsSMA SOLAR TECHNOLOGY AG·Filed 2012·Granted Apr 7, 2015·1 cites·45 claims
- 1259US8373308B2Device and method for generating alternating currentSMA SOLAR TECHNOLOGY AG·Filed 2011·Granted Feb 12, 2013·1 cites·35 claims
- 1358US9018801B2Photovoltaic system for feeding three-phase current into a power gridBREMICKER SVEN·Filed 2011·Granted Apr 28, 2015·2 cites·17 claims
- 1453US7352549B1Method of automatically recognizing an electrical systemSMA TECHNOLOGIE AG·Filed 2004·Granted Apr 1, 2008·8 cites·6 claims
- 1549USRE44901EMethod for converting direct voltage into three phase alternating voltageBECKER HOLGER·Filed 2011·Granted May 20, 2014·0 cites·30 claims
- 1639US8194429B2Inverter comprising normally conductive gate-controlled semiconductor switchesFRIEBE JENS·Filed 2009·Granted Jun 5, 2012·0 cites·13 claims
- 1737US8570692B2Overvoltage protection for inverters that comprise an EMC filter at their input endJEPPE ANDREAS·Filed 2011·Granted Oct 29, 2013·0 cites·20 claims
- 1836US2009244936A1Three-phase inverterSMA SOLAR TECHNOLOGY AG·Filed 2009·Application pending·0 cites
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