HH

Herbert Hartnack

SA Siemens Aktiengesellschaft: 7 patents #1,726 of 22,248Top 8%
Overall (All Time): #733,825 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9853302 Electrochemical cell Torsten Brandt, Frank Baernreuther, Armin Datz, Anett Eder, Florian Eder +1 more 2017-12-26
8067131 Contact device and fuel cell stack or fuel cell block comprising one such contact device Albert Hammerschmidt, Arno Mattejat, Igor Mehltretter 2011-11-29
7862955 Electrolytic cell or fuel cell with pressure pads and improved transfer resistance Josef Lersch, Arno Mattejat 2011-01-04
7800003 Insulator with enhanced insulating capacity Igor Mehltretter 2010-09-21
7314676 Fuel-cell stack Josef Lersch, Arno Mattejat 2008-01-01
6955862 Fuel cell block Josef Lersch, Arno Mattejat 2005-10-18
6849351 Low-temperature fuel cell Josef Lersch, Arno Mattejat, Karl Strasser 2005-02-01