WO2007093319-A1 -- EP1621459-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  SCHULDZIG H,  GRUENDEL H,  HEINRICH H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  EP1283166-A2   HONEYWELL NORMALAIR GARRETT HOLDINGS LTD (HONE)   CLARK J A;  US3539397-A   ;  US6569550-B2   VALEO KLIMASYSTEME GMBH (VALO)   KHELIFA N;  US2009117430-A1 -- US3539397-A   ;  US4275603-A   BOEING CO (BOEI)   KALOCSAY J;  US5031690-A   BFM TRANSPORT DYNAM (BFMT-Non-standard)   ANDERSON G K,  WOO R Y;  US5655732-A   DEUT AEROSPACE AIRBUS GMBH (DAIM)   FRANK H;  US20030029177-A1   ;  US20030035988-A1   ;  US20060060712-A1   ;  US20080102327-A1   ;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  US6383672-B1   TOYOTA JIDOSHA KK (TOYT)   FUJITA N;  US6569550-B2   VALEO KLIMASYSTEME GMBH (VALO)   KHELIFA N;  EP1984970-B1 -- EP1621459-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  SCHULDZIG H,  GRUENDEL H,  HEINRICH H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  EP1283166-A2   HONEYWELL NORMALAIR GARRETT HOLDINGS LTD (HONE)   CLARK J A;  US3539397-A   ;  US6569550-B2   VALEO KLIMASYSTEME GMBH (VALO)   KHELIFA N;  CN101385175-B -- CN1390718-A   ;  EP1621459-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  SCHULDZIG H,  GRUENDEL H,  HEINRICH H;  US6569550-B2   VALEO KLIMASYSTEME GMBH (VALO)   KHELIFA N;  US8192882-B2 -- DE10139608-A1   BALLARD POWER SYSTEMS AG (BLRD)   GRAAGE K;  DE10201930-A1   ;  DE10213134-A1   DAIMLERCHRYSLER AG (DAIM)   DOCTER A,  FRANK G,  KONRAD G,  LAMM A,  MUELLER J T;  DE10018139-B4   TOYOTA JIDOSHA KK (TOYT)   FUJITA N;  DE19931062-B4   MANNESMANN AG (MANS)   SATTLER M,  KEUTZ M;  EP1621459-A1   AIRBUS DEUT GMBH (EADS)   HOFFJANN C,  SCHULDZIG H,  GRUENDEL H,  HEINRICH H;  EP957026-A2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  EP1283166-A2   HONEYWELL NORMALAIR GARRETT HOLDINGS LTD (HONE)   CLARK J A;  RU2180978-C2   ZTEK CORP (ZTEK-Non-standard)   HSU M S;  RU2224690-C2   ;  RU2262778-C2   ;  US4275603-A   BOEING CO (BOEI)   KALOCSAY J;  US5031690-A   BFM TRANSPORT DYNAM (BFMT-Non-standard)   ANDERSON G K,  WOO R Y;  US5655732-A   DEUT AEROSPACE AIRBUS GMBH (DAIM)   FRANK H;  US20030029177-A1   ;  US20030035988-A1   ;  US20060060712-A1   ;  US20080102327-A1   ;  US6296957-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   GRAAGE K;  US6383672-B1   TOYOTA JIDOSHA KK (TOYT)   FUJITA N;  US6569550-B2   VALEO KLIMASYSTEME GMBH (VALO)   KHELIFA N