WO200227814-A2 -- DE19533097-A1   SIEMENS AG (SIEI)   RUTHROF K,  SUCHY P;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  DE19927849-A1   INST UMWELTTECHNOLOGIE & UMWELTANALYTIK (UMWE-Non-standard);  EP472922-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  EP878859-A1   TOYOTA JIDOSHA KK (TOYT)   NITTA S,  TAKI M,  KAWAHARA T,  MIURA M;  EP755088-A2   RAILWAY TECHNICAL RES INST (JAPN)   OKI Y,  HASEGAWA H,  ITO T;  EP1006601-A2   TOYOTA JIDOSHA KK (TOYT)   ARAKI Y,  MURATA S,  HAMADA H;  EP472922-A3   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  JP10055816-A   ;  US4839247-A   INT FUEL CELLS CORP (ITFU)   LEVY A H,  VANDINE L L,  TROCCIOLA J C;  US5312699-A   KANSAI ELECTRIC POWER CO (KANT);  MITSUBISHI JUKOGYO KK (MITO)   YANAGI C,  KIKUOKA Y,  KUGIMIYA K,  YOSHINO M,  TOKURA M,  UEDA S;  US5407756-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5900330-A   KAGITANI T (KAGI-Individual)   KAGITANI T,  KAGATANI T;  US6007930-A   FORD GLOBAL TECHNOLOGIES INC (FORD)   ADAMS J A,  SULEK M S,  SALOKA G S;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6093500-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  CALLAGHAN V M,  KABIR Z;  WO1999044254-A1   ;  US6887601-B2 -- DE19533097-A1   SIEMENS AG (SIEI)   RUTHROF K,  SUCHY P;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  DE19927849-A1   INST UMWELTTECHNOLOGIE & UMWELTANALYTIK (UMWE-Non-standard);  EP472922-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  EP878859-A1   TOYOTA JIDOSHA KK (TOYT)   NITTA S,  TAKI M,  KAWAHARA T,  MIURA M;  EP755088-A2   RAILWAY TECHNICAL RES INST (JAPN)   OKI Y,  HASEGAWA H,  ITO T;  EP1006601-A2   TOYOTA JIDOSHA KK (TOYT)   ARAKI Y,  MURATA S,  HAMADA H;  US3484617-A   ;  US3754147-A   ;  US4184084-A   CREHORE R (CREH-Individual)   CREHORE R;  US4302684-A   GOGINS L B (GOGI-Individual)   GOGINS L B;  US4335093-A   UNIV TEMPLE (UTEM)   SALOMON R E;  US4839247-A   INT FUEL CELLS CORP (ITFU)   LEVY A H,  VANDINE L L,  TROCCIOLA J C;  US5312699-A   KANSAI ELECTRIC POWER CO (KANT);  MITSUBISHI JUKOGYO KK (MITO)   YANAGI C,  KIKUOKA Y,  KUGIMIYA K,  YOSHINO M,  TOKURA M,  UEDA S;  US5376470-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5407756-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5443804-A   SOLAR REACTOR TECHNOLOGIES INC (SOLA-Non-standard)   PARKER R Z,  HANRAHAN R J;  US5506066-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5510202-A   ROCKWELL INT CORP (ROCW)   MCCOY L R,  SPROUSE K M;  US5512787-A   DEDERICK R (DEDE-Individual)   DEDERICK R;  US5592028-A   PRITCHARD D N (PRIT-Individual)   PRITCHARD D N;  US5900330-A   KAGITANI T (KAGI-Individual)   KAGITANI T,  KAGATANI T;  US5980726-A   PROTON ENERGY SYSTEMS (PROT-Non-standard)   MOULTHROP L C,  BYRON R H,  SPERANZA A J;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US6007930-A   FORD GLOBAL TECHNOLOGIES INC (FORD)   ADAMS J A,  SULEK M S,  SALOKA G S;  US6033793-A   HYDROGEN BURNER TECHNOLOGY INC (HYDR-Non-standard)   WOODS R R,  GREINER L,  MOARD D;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6093500-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  CALLAGHAN V M,  KABIR Z;  US6541141-B1   HYDROGENICS CORP (HYDR-Non-standard)   FRANK D,  CHEN X;  WO1999044254-A1   ;  US7241522-B2 -- DE19533097-A1   SIEMENS AG (SIEI)   RUTHROF K,  SUCHY P;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  DE19927849-A1   INST UMWELTTECHNOLOGIE & UMWELTANALYTIK (UMWE-Non-standard);  EP472922-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  EP755088-A2   RAILWAY TECHNICAL RES INST (JAPN)   OKI Y,  HASEGAWA H,  ITO T;  EP878589-A2   ;  EP1006601-A2   TOYOTA JIDOSHA KK (TOYT)   ARAKI Y,  MURATA S,  HAMADA H;  JP10055816-A   ;  US3484617-A   ;  US3754147-A   ;  US4184084-A   CREHORE R (CREH-Individual)   CREHORE R;  US4302684-A   GOGINS L B (GOGI-Individual)   GOGINS L B;  US4335093-A   UNIV TEMPLE (UTEM)   SALOMON R E;  US4839247-A   INT FUEL CELLS CORP (ITFU)   LEVY A H,  VANDINE L L,  TROCCIOLA J C;  US5312699-A   KANSAI ELECTRIC POWER CO (KANT);  MITSUBISHI JUKOGYO KK (MITO)   YANAGI C,  KIKUOKA Y,  KUGIMIYA K,  YOSHINO M,  TOKURA M,  UEDA S;  US5376470-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5407756-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5443804-A   SOLAR REACTOR TECHNOLOGIES INC (SOLA-Non-standard)   PARKER R Z,  HANRAHAN R J;  US5506066-A   ROCKWELL INT CORP (ROCW)   SPROUSE K M;  US5510202-A   ROCKWELL INT CORP (ROCW)   MCCOY L R,  SPROUSE K M;  US5512787-A   DEDERICK R (DEDE-Individual)   DEDERICK R;  US5592028-A   PRITCHARD D N (PRIT-Individual)   PRITCHARD D N;  US5900330-A   KAGITANI T (KAGI-Individual)   KAGITANI T,  KAGATANI T;  US5980726-A   PROTON ENERGY SYSTEMS (PROT-Non-standard)   MOULTHROP L C,  BYRON R H,  SPERANZA A J;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US6007930-A   FORD GLOBAL TECHNOLOGIES INC (FORD)   ADAMS J A,  SULEK M S,  SALOKA G S;  US6033793-A   HYDROGEN BURNER TECHNOLOGY INC (HYDR-Non-standard)   WOODS R R,  GREINER L,  MOARD D;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6093500-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  CALLAGHAN V M,  KABIR Z;  US6541141-B1   HYDROGENICS CORP (HYDR-Non-standard)   FRANK D,  CHEN X;  US6887601-B2   PROTON ENERGY SYSTEMS INC (PROT-Non-standard)   MOULTHROP L C,  MOLTER T M,  SPERANZA J A,  LILLIS M A,  SMITH W,  SHIEPE J,  SKOCZYLAS T M;  WO1999044254-A1