Inventor · disambiguated record
Herbert Hartnack
Also filed as: HARTNACK HERBERT
7 granted patents·2 pending applications·40 citations·filing 2001–2012
80Inventor score
Top patents by PatentIndex Score
9 records- 0183US6849351B2Low-temperature fuel cellSIEMENS AG·Filed 2001·Granted Feb 1, 2005·25 cites·34 claims
- 0267US6955862B2Fuel cell blockSIEMENS AG·Filed 2002·Granted Oct 18, 2005·8 cites·18 claims
- 0357US7314676B2Fuel-cell stackSIEMENS AG·Filed 2002·Granted Jan 1, 2008·3 cites·16 claims
- 0455US7862955B2Electrolytic cell or fuel cell with pressure pads and improved transfer resistanceSIEMENS AG·Filed 2004·Granted Jan 4, 2011·2 cites·25 claims
- 0548US8067131B2Contact device and fuel cell stack or fuel cell block comprising one such contact deviceHAMMERSCHMIDT ALBERT·Filed 2004·Granted Nov 29, 2011·2 cites·21 claims
- 0645US7800003B2Insulator with enhanced insulating capacitySIEMENS AG·Filed 2006·Granted Sep 21, 2010·0 cites·12 claims
- 0744US9853302B2Electrochemical cellBRANDT TORSTEN·Filed 2012·Granted Dec 26, 2017·0 cites·15 claims
- 0840US2004234833A1Humidification cellFiled 2002·Application pending·0 cites
- 0939US2004086766A1Fuel cellsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →