EP1180496-A1 -- DE19904398-A1   ;  EP878442-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  ZUR MEGEDE D;  EP849375-A2   EBARA CORP (EBAR)   HORIE K,  SUZUKI H,  NAKADA T,  KURIYAMA F,  MURAKAMI T,  ABE M,  ARAKI Y,  UEYAMA H;  JP04161707-A   ;  JP04363509-A   ;  JP4161707-B2   KOYO SEIKO CO LTD (KOYS)   NISHIZAKI K;  JP4363509-B2   ;  US2002041839-A1 -- US4371034-A   HISAKA SEISAKUSHO K (HISA-Non-standard)   YAMADA K,  SUMITOMO H,  HORIGUCHI A;  US4785875-A   STIRLING THERMAL MOTORS INC (STIR-Non-standard)   MEIJER R L,  VERHEY R P,  ZIPH B;  US5423952-A   T & G TECHNOLOGIES INC (TGTE-Non-standard)   STOUT T R;  US5800673-A   SHOWA ALUMINIUM CO LTD (SHOA);  US5904807-A   HADWACO LTD OY (HADW-Non-standard)   RAMMSCHMIDT L,  ERIKSSON H,  KOISTINEN P,  TIAINEN V;  US6068730-A   HADWACO LTD OY (HADW-Non-standard)   RAMMSCHMIDT L,  TIAINEN V,  KOISTINEN P,  ERIKSSON H;  US6447941-B1   TOSHIBA KK (TOKE)   TOMIMATSU M,  OZU H,  AKASAKA Y,  YASUDA K,  TAKASHITA M;  DE10039592-A1 -- DE19904398-A1   ;  EP1180496-B1 -- DE19904398-A1   ;  EP878442-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  ZUR MEGEDE D;  EP849375-A2   EBARA CORP (EBAR)   HORIE K,  SUZUKI H,  NAKADA T,  KURIYAMA F,  MURAKAMI T,  ABE M,  ARAKI Y,  UEYAMA H;  US7001575-B2 -- DE19904398-A1   ;  DE19720294-C1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  ZUR MEGEDE D;  EP878442-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  ZUR MEGEDE D;  EP849375-A2   EBARA CORP (EBAR)   HORIE K,  SUZUKI H,  NAKADA T,  KURIYAMA F,  MURAKAMI T,  ABE M,  ARAKI Y,  UEYAMA H;  JP04121707-A   ;  JP4363509-B2   ;  US4371034-A   HISAKA SEISAKUSHO K (HISA-Non-standard)   YAMADA K,  SUMITOMO H,  HORIGUCHI A;  US4785875-A   STIRLING THERMAL MOTORS INC (STIR-Non-standard)   MEIJER R L,  VERHEY R P,  ZIPH B;  US5423952-A   T & G TECHNOLOGIES INC (TGTE-Non-standard)   STOUT T R;  US5800673-A   SHOWA ALUMINIUM CO LTD (SHOA);  US5904807-A   HADWACO LTD OY (HADW-Non-standard)   RAMMSCHMIDT L,  ERIKSSON H,  KOISTINEN P,  TIAINEN V;  US6068730-A   HADWACO LTD OY (HADW-Non-standard)   RAMMSCHMIDT L,  TIAINEN V,  KOISTINEN P,  ERIKSSON H;  US6447941-B1   TOSHIBA KK (TOKE)   TOMIMATSU M,  OZU H,  AKASAKA Y,  YASUDA K,  TAKASHITA M