Inventor
STENGER HERBERT
DE6 patents
Patents
6 patentsUS6226497B1May 1, 2001
Motor vehicle built-in unit for mobile phone
SIEMENS AG55 citations91
US6110611AAug 29, 2000
Process for operation of a PEM fuel cell unit
SIEMENS AG44 citations91
US6180271B1Jan 30, 2001
Method for operating a PEM fuel cell plant and PEM fuel cell plant
SIEMENS AG7 citations72
US3993459ANov 23, 1976
Catalyst for the conversion of higher hydrocarbons and method of generating a fuel
SIEMENS AG8 citations72
US6203935B1Mar 20, 2001
Method for operating a fuel cell system and fuel cell system
SIEMENS AG9 citations67
US7482073B2Jan 27, 2009
Cascade fuel cell system
SIEMENS AG6 citations60