EP1427047-A1 -- DE10118151-A1   GENERAL MOTORS CORP (GENK)   SALVADOR J P,  DANDALIDES J W,  PETTIT W H;  EP633157-A1   DAIMLER-BENZ AG (DAIM)   LORENZ H,  NOREIKAT K,  KLAIBER T,  FLECK W,  SONNTAG J,  HORNBURG G,  GAULHOFER A;  JP07249421-A   ;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US6110611-A   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US6180271-B1   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US2004161643-A1 -- US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US6110611-A   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US20030203247-A1   ;  US6180271-B1   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US6569551-B2   SKALA G W (SKAL-Individual);  HART-PREDMORE D J (HART-Individual)   SKALA G W,  HART-PREDMORE D J;  US6602628-B2   HONDA GIKEN KOGYO KK (HOND)   UEDA K,  SAITOU K,  KOBAYASHI T;  US6815104-B2 -- DE10118151-A1   GENERAL MOTORS CORP (GENK)   SALVADOR J P,  DANDALIDES J W,  PETTIT W H;  EP633157-A1   DAIMLER-BENZ AG (DAIM)   LORENZ H,  NOREIKAT K,  KLAIBER T,  FLECK W,  SONNTAG J,  HORNBURG G,  GAULHOFER A;  JP07249421-A   ;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US6110611-A   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US20030203247-A1   ;  US6180271-B1   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US6569551-B2   SKALA G W (SKAL-Individual);  HART-PREDMORE D J (HART-Individual)   SKALA G W,  HART-PREDMORE D J;  US6602628-B2   HONDA GIKEN KOGYO KK (HOND)   UEDA K,  SAITOU K,  KOBAYASHI T;  EP1427047-B1 -- DE10118151-A1   GENERAL MOTORS CORP (GENK)   SALVADOR J P,  DANDALIDES J W,  PETTIT W H;  EP633157-A1   DAIMLER-BENZ AG (DAIM)   LORENZ H,  NOREIKAT K,  KLAIBER T,  FLECK W,  SONNTAG J,  HORNBURG G,  GAULHOFER A;  JP07249421-A   ;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US6110611-A   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  US6180271-B1   SIEMENS AG (SIEI)   STUEHLER W,  STENGER H,  KEIM M;  JP4828078-B2 -- JP2001338659-A