DE10249588-A1 -- DE4302319-C2   DEUT AEROSPACE AIRBUS GMBH (DAIM)   SEKOULOV I,  MUELLER M;  DE4323719-C2   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP964466-A1   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F,  KESKAR N R;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  WO1999035702-A1   ;  WO2004040680-A2 -- EP634563-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  US5976332-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  DE10249588-B4 -- DE10216710-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  HEINRICH H;  DE4302319-C2   DEUT AEROSPACE AIRBUS GMBH (DAIM)   SEKOULOV I,  MUELLER M;  DE4323719-C2   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP964466-A1   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F,  KESKAR N R;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  WO1999035702-A1   ;  EP1567412-B1 -- EP634563-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  US5976332-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  JP4484709-B2 -- GB2338750-A   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  JP04159423-A   ;  JP07156892-A   ;  JP11200888-A   ;  JP2000025696-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  JP2000100461-A   TOYOTA JIDOSHA KK (TOYT)   KUBO H,  FUJITA N;  JP2000311698-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  JP2001167781-A   ;  JP6067299-U   TOHO TITANIUM CO LTD (TOXI)   HOSAKA M,  UMEBAYASHI H,  KANNO T;  US7767359-B2 -- DE4302319-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM)   SEKOULOV I,  MUELLER M;  DE4323719-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  DE10216710-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  HEINRICH H;  EP400701-A   TURBOCONSULT BV (TURB-Non-standard);  ASA BV (ASAA-Non-standard);  HENDRIKS R (HEND-Individual)   HENDRIKS R,  ANKERSMIT H J;  EP634563-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP964466-A1   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F,  KESKAR N R;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  GB2338750-A   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  JP11200888-A   ;  JP2000311698-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  JP2001167781-A   ;  JP4159423-B2   ;  US1803156-A   ;  US3615839-A   UNITED AIRCRAFT CORP (UNAC);  US3773574-A   ROCKET RES CORP (ROCK-Non-standard);  US3851702-A   TYEPLOELEKTROPROJEKT (TYEP-Non-standard);  ENERGIAGAZDALKODASI INTEZET (ENGZ);  US3908362-A   SZYDLOWSKI J (SZYD-Individual)   SZYDLOWSKI J;  US4333992-A   UNITED TECHNOLOGIES CORP (UNAC)   HEALY H C;  US4871452-A   MESSERSCHMITT-BOLKOW-BLO (MESR)   KOHLER K,  REITH D;  US5005787-A   NAT AERO & SPACE ADMIN (USAS)   CULLINGFO H S;  US5443733-A   DEUT AEROSPACE AIRBUS GMBH (DAIM)   SEKOULOV I,  MUELLER M;  US5501781-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5693201-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5976332-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6001258-A   NEDERLANDSE ORG TOEGEPAST (NEDE)   SLUYS J T M,  HANEMAAIJER J H;  US6143185-A   TRACY T R (TRAC-Individual)   HOHREIN H E,  TRACY T R;  US20020004152-A1   ;  US20020142198-A1   ;  US20040040312-A1   ;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  US6316134-B1   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   COWNDEN R,  EICHE M,  LOUIE C R,  WATKINS D S;  US6376113-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6450447-B1   DAIMLERCHRYSLER AG (DAIM)   KONRAD G,  LAMM A;  US6623880-B1   US DEPT VETERANS AFFAIRS (USGO)   GEISBRECHT R A,  WILLIAMS M C;  US6854688-B2   ION AMERICA CORP (IONA-Non-standard)   MCELROY J,  GOTTMANN M;  US6916564-B2   NUVERA FUEL CELLS INC (NUVE-Non-standard)   CLAWSON L G,  O'BRIEN C J,  HAGAN M R;  US6921595-B2   NUVERA INC (NUVE-Non-standard)   CLAWSON L G,  HAGAN M R;  US6924053-B2   ION AMERICA CORP (IONA-Non-standard)   MCELROY J F;  US7036314-B2   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  HEINRICH H;  US7108229-B2   AIRBUS DEUT GMBH (EADS)   HEINRICH H,  HOFFJANN C,  SCHULDZIG H;  US7208239-B2   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  HEINRICH H;  WO1999035702-A1   ;  WO2004040680-A3 -- EP634563-A1   DEUT AEROSPACE AIRBUS GMBH (DAIM);  DAIMLER-BENZ AEROSPACE AIRBUS GMBH (DAIM)   DRAHT J,  NITSCHKE F,  POPP R,  PROELS R,  RITTEL T,  SCHERER T,  ZIMMERMANN W;  EP967676-A1   MARCONI AEROSPACE LTD (MAON)   WEST C R,  WOOD J H;  FR2805348-A1   COMMISSARIAT ENERGIE ATOMIQUE (COMS)   CUZIN M,  PELTIE P,  FONTECAVE M,  DECOUT J L,  DUEYMES C;  US5976332-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6040138-A   AFFYMAX TECHNOLOGIES NV (AFFY-Non-standard)   LOCKHART D J,  BROWN E L,  WONG G,  CHEE M,  GINGERAS T R,  MITTMANN M P,  LIPSHUTZ R J,  FODOR S P;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  US6312906-B1   GENE LOGIC INC (GENE-Non-standard)   CASS A,  VALAT C,  STEEL A;  WO2002018951-A2