WO200227833-A2 -- DE4339405-C1   ;  EP55011-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A;  US4520082-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   MAKIEL J M;  WO2000026983-A1   ;  US2004096714-A1 -- US3981745-A   UNITED TECHNOLOGIES CORP (UNAC);  US4407903-A   SIEMENS AG (SIEI);  INGENIEURKONTOR LUBECK (INGE-Non-standard)   GUTBIER H,  LIMBERG E,  STRASSER K,  JENSEN V;  US4839247-A   INT FUEL CELLS CORP (ITFU)   LEVY A H,  VANDINE L L,  TROCCIOLA J C;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5235846-A   INT FUEL CELLS CORP (ITFU)   FANCIULLO S;  US5340663-A   INT FUEL CELLS CORP (ITFU)   BUSWELL R F,  VARTANIAN G;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US6156447-A   SIEMENS AG (SIEI)   BETTE W,  LERSCH J;  US6406806-B1   GENERAL MOTORS CORP (GENK)   KESKULA D H,  CLINGERMAN B J,  CHALFANT R W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  JP3872756-B2 -- JP02312162-A   ;  JP11273702-A   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  JP57111963-A   SIEMENS AG (SIEI);  INGENIEURKONTOR LUBECK (INGE-Non-standard)   GUTBIER H,  LIMBERG E,  STRASSER K,  JENSEN V;  JP62061278-A   ;  WO1999062129-A2   ;  US7348085-B2 -- JP59098471-A   ;  US3981745-A   UNITED TECHNOLOGIES CORP (UNAC);  US4839247-A   INT FUEL CELLS CORP (ITFU)   LEVY A H,  VANDINE L L,  TROCCIOLA J C;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5235846-A   INT FUEL CELLS CORP (ITFU)   FANCIULLO S;  US5340663-A   INT FUEL CELLS CORP (ITFU)   BUSWELL R F,  VARTANIAN G;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US6156447-A   SIEMENS AG (SIEI)   BETTE W,  LERSCH J;  US6406806-B1   GENERAL MOTORS CORP (GENK)   KESKULA D H,  CLINGERMAN B J,  CHALFANT R W;  DE3333378-A   UNITED TECHNOLOGIES CORP (UNAC)   REISER C A;  DE4339405-C1   ;  EP55011-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A;  EP918363-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  JP02312162-A   ;  JP11273702-A   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  JP57111963-A   SIEMENS AG (SIEI);  INGENIEURKONTOR LUBECK (INGE-Non-standard)   GUTBIER H,  LIMBERG E,  STRASSER K,  JENSEN V;  JP62061278-A   ;  US4407903-A   SIEMENS AG (SIEI);  INGENIEURKONTOR LUBECK (INGE-Non-standard)   GUTBIER H,  LIMBERG E,  STRASSER K,  JENSEN V;  US4520082-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   MAKIEL J M;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  WO2000026983-A1   ;  WO1999062129-A2   ;  EP1336211-B1 -- DE4339405-C1   ;  EP55011-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A;  US4520082-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   MAKIEL J M;  WO2000026983-A1