WO9821771-A1 -- EP442352-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  EP442352-A3   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  JP02170368-A   ;  JP08045526-A   ;  JP62274560-A   MITSUBISHI DENKI KK (MITQ)   OKADA T,  MATSUMURA M;  US4722873-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5518828-A   BECHTEL GROUP INC (BECH-Non-standard)   SENETAR J J;  NL1004513-C2 -- EP442352-A3   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  EP442352-B1   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  JP03274674-A   ;  JP05047393-A   ;  JP62008462-A   ;  JP62274560-A   MITSUBISHI DENKI KK (MITQ)   OKADA T,  MATSUMURA M;  US5198312-A   MITSUBISHI JUKOGYO KK (MITO)   IRINO M,  ISHIBASHI M,  SATAKE T,  SAKAI H,  FUNATSU M,  HANEDA H,  TAKENOBU K,  WATANABE K,  OGURA K;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5518828-A   BECHTEL GROUP INC (BECH-Non-standard)   SENETAR J J;  AU720425-B -- JP02170368-A   ;  JP08045526-A   ;  US4722873-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M;  EP947022-B1 -- EP442352-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  JP02170368-A   ;  JP08045526-A   ;  JP62274560-A   MITSUBISHI DENKI KK (MITQ)   OKADA T,  MATSUMURA M;  US4722873-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5518828-A   BECHTEL GROUP INC (BECH-Non-standard)   SENETAR J J;  US6344289-B2 -- EP442352-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K;  JP845526-A   ;  JP02170368-A   ;  JP62274560-A   MITSUBISHI DENKI KK (MITQ)   OKADA T,  MATSUMURA M;  US4722873-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5413878-A   US DEPT ENERGY (USAT)   ARCHER D H,  WIMER J G,  WILLIAMS M C;  US5518828-A   BECHTEL GROUP INC (BECH-Non-standard)   SENETAR J J;  US5601936-A   BRITISH GAS PLC (GASC)   DUDFIELD C D,  DICKS A L;  US5931658-A   INT FUEL CELLS CORP (ITFU)   SEDERQUIST R A,  SZYDLOWSKI D F,  CORRIGAN T J,  BONK S P