EP1420472-A2 -- DE19636738-A1   SIEMENS AG (SIEI)   NOELSCHER C;  DE19637207-A1   SIEMENS AG (SIEI)   NOELSCHER C,  LANDES H;  DE19716438-A1   HEITZER J (HEIT-Individual)   HEITZER J,  HAMBURGER S,  ZURELL K;  EP1231659-A2   DELPHI TECHNOLOGIES INC (DELP)   HALTINER K J,  GRIEVE M J,  KEEGAN K R,  FAVILLE M T;  FR2375729-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US20020155332-A1   ;  US6306531-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  MOWERY K D,  RIPLEY E V;  US2004229092-A1 -- US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US5221586-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI);  TOKYO GAS CO LTD (TOLG);  OSAKA GAS CO LTD (OSAG);  TOHO GAS KK (TOHG)   MORIMOTO H,  HATO,  HATORI S,  KOBAYASHI K,  UEMATSU H,  HIKITA T,  SHINOZAKI K,  NAKAGAWA S;  US5961928-A   INT FUEL CELLS CORP (ITFU)   MASTON V A,  VANDINE L L,  SEDERQUIST R A,  SMITH R M,  GRUBB P A,  MALINOWSKI T S;  US20020155332-A1   ;  US6306531-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  MOWERY K D,  RIPLEY E V;  US6551732-B1   AIR PROD & CHEM INC (AIRP)   XU J;  JP3784775-B2 -- JP04087262-A   ;  JP08222250-A   ;  JP09237635-A   ;  JP50012542-A   ;  JP60253168-A   ;  JP61024154-A   ;  JP62274560-A   MITSUBISHI DENKI KK (MITQ)   OKADA T,  MATSUMURA M;  JP2001266924-A   ;  JP2002083620-A   OSAKA GAS CO LTD (OSAG)   KAMIYA N;  JP74007928-B   ;  JP3872006-B2 -- JP04087262-A   ;  JP06089735-A   ;  JP08306369-A   ;  JP2001266924-A   ;  JP3886887-B2 -- JP08188783-A   ;  JP09237635-A   ;  JP11233129-A   MITSUBISHI JUKOGYO KK (MITO)   NAGAYASU H,  MIYAMOTO H,  IKEMOTO Y;  JP61024154-A   ;  JP2001143731-A   ;  JP2001155747-A   ;  JP2002246047-A   NISSAN MOTOR CO LTD (NSMO)   IWASAKI Y,  HARA N;  JP2002313375-A   ;  EP1420472-A3 -- DE19636738-A1   SIEMENS AG (SIEI)   NOELSCHER C;  DE19637207-A1   SIEMENS AG (SIEI)   NOELSCHER C,  LANDES H;  DE19716438-A1   HEITZER J (HEIT-Individual)   HEITZER J,  HAMBURGER S,  ZURELL K;  EP1231659-A2   DELPHI TECHNOLOGIES INC (DELP)   HALTINER K J,  GRIEVE M J,  KEEGAN K R,  FAVILLE M T;  FR2375729-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US20020155332-A1   ;  US6306531-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  MOWERY K D,  RIPLEY E V;  US7749626-B2 -- DE19545186-A1   SIEMENS AG (SIEI)   NOELSCHER C,  VOLLMAR H,  EDELMANN H,  SCHREPFER W;  DE19636738-A1   SIEMENS AG (SIEI)   NOELSCHER C;  DE19637207-A1   SIEMENS AG (SIEI)   NOELSCHER C,  LANDES H;  DE19716438-A1   HEITZER J (HEIT-Individual)   HEITZER J,  HAMBURGER S,  ZURELL K;  DE19636068-C1   ;  EP1231659-A2   DELPHI TECHNOLOGIES INC (DELP)   HALTINER K J,  GRIEVE M J,  KEEGAN K R,  FAVILLE M T;  FR2375729-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  JP08339815-A   ;  JP2001266924-A   ;  JP2001334714-A   ;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US5221586-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI);  TOKYO GAS CO LTD (TOLG);  OSAKA GAS CO LTD (OSAG);  TOHO GAS KK (TOHG)   MORIMOTO H,  HATO,  HATORI S,  KOBAYASHI K,  UEMATSU H,  HIKITA T,  SHINOZAKI K,  NAKAGAWA S;  US5961928-A   INT FUEL CELLS CORP (ITFU)   MASTON V A,  VANDINE L L,  SEDERQUIST R A,  SMITH R M,  GRUBB P A,  MALINOWSKI T S;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US20020155332-A1   ;  US6299994-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J;  US6306531-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  MOWERY K D,  RIPLEY E V;  US6370878-B1   PLUG POWER INC (PLUG-Non-standard)   DEAN R E,  PESCHKE N,  SCHOLTEN A,  RUSH K M,  PENEV M,  PREVISH T D;  US6475655-B1   DAIHATSU MOTOR CO LTD (DAHM)   NAKANISHI H,  TANAKA H,  YAMADA K,  ABE M,  ASAZAWA K;  US6551732-B1   AIR PROD & CHEM INC (AIRP)   XU J;  WO1996003782-A1   ;  WO1997021257-A2   ;  WO2002065564-A2   ;  EP1420472-B1 -- DE19636738-A1   SIEMENS AG (SIEI)   NOELSCHER C;  DE19637207-A1   SIEMENS AG (SIEI)   NOELSCHER C,  LANDES H;  DE19716438-A1   HEITZER J (HEIT-Individual)   HEITZER J,  HAMBURGER S,  ZURELL K;  EP1231659-A2   DELPHI TECHNOLOGIES INC (DELP)   HALTINER K J,  GRIEVE M J,  KEEGAN K R,  FAVILLE M T;  FR2375729-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US20020155332-A1   ;  US6306531-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  MOWERY K D,  RIPLEY E V