US2002132156-A1 -- US3764391-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4037023-A   INST FRANCAIS DU PETROLE (INSF);  US4499663-A   US DEPT ENERGY (USAT)   ZWICK S A,  ACKERMAN J P;  US4510212-A   US DEPT ENERGY (USAT);  US GOVERNMENT (USGO)   FRAIOLI A V;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5102750-A   BELL COMMUNICATIONS (TELF)   TAYLOR T M;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5198312-A   MITSUBISHI JUKOGYO KK (MITO)   IRINO M,  ISHIBASHI M,  SATAKE T,  SAKAI H,  FUNATSU M,  HANEDA H,  TAKENOBU K,  WATANABE K,  OGURA K;  US5212023-A   GEBR SULZER AG (SULZ);  SULZER INNOTEC AG (SULZ)   DIETHELM R;  US5236687-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  FUNABASHI M,  ABE H,  TAKADA T;  US5256499-A   ALLIED-SIGNAL INC (ALLC)   MINH N Q,  STILLWAGON T L;  US5264300-A   GEBR SULZER AG (SULZ);  SULZER INNOTEC AG (SULZ)   BARP B,  DIETHELM R;  US5269902-A   GAS RES INST INC (GASR-Non-standard)   ELANGOVAN S,  KHANDKAR A C;  US5340664-A   CERAMATEC INC (CERA-Non-standard)   HARTVIGSEN J J;  US5376472-A   CERAMATEC INC (CERA-Non-standard)   PROUSE D W,  ELANGOVAN S,  HARTVIGSEN J J,  KHANDKAR A C;  US5399442-A   FUJI ELECTRIC CO LTD (FJIE)   SHUNDO H;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5514486-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5549983-A   ALLIED-SIGNAL INC (ALLC)   YAMANIS J;  US5595834-A   UNIV CALIFORNIA (REGC)   NEUTZLER J K,  WILSON M S;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5683828-A   AEROJET GEN CORP (AERG)   SPEAR R G,  MUEGGENBURG H H,  HODGE R;  US5716437-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  THOMPSETT D;  US5747185-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S;  US5942349-A   CERAMIC FUEL CELLS LTD (CERA-Non-standard)   BADWAL S P,  FOGER K,  ZHENG X G,  JAFFREY D;  US6361892-B1   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   RUHL R C,  MILLIKEN C E,  PETRIK M A;  US6878480-B2 -- DE3922673-A   SIEMENS AG (SIEI)   IVERSTIFF E,  WERSING W;  DE19637655-C1   ;  EP222880-A   HSU M S (HSUM-Individual)   HSU M S;  EP355420-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  EP549695-A1   ALLIED-SIGNAL INC (ALLC)   MINH N O,  HORNE C R;  GB2219125-A   ;  GB2318447-A   BG PLC (GASC)   FELLOWS R G;  JP11045727-A   ;  JP11283639-A   TOYOTA JIDOSHA KK (TOYT)   IWASE M,  HAMADA H,  KAWATSU S,  MIZUNO S,  YOSHIMURA J;  JP58164156-A   ;  US3764391-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4037023-A   INST FRANCAIS DU PETROLE (INSF);  US4499663-A   US DEPT ENERGY (USAT)   ZWICK S A,  ACKERMAN J P;  US4510212-A   US DEPT ENERGY (USAT);  US GOVERNMENT (USGO)   FRAIOLI A V;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5102750-A   BELL COMMUNICATIONS (TELF)   TAYLOR T M;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5198312-A   MITSUBISHI JUKOGYO KK (MITO)   IRINO M,  ISHIBASHI M,  SATAKE T,  SAKAI H,  FUNATSU M,  HANEDA H,  TAKENOBU K,  WATANABE K,  OGURA K;  US5212023-A   GEBR SULZER AG (SULZ);  SULZER INNOTEC AG (SULZ)   DIETHELM R;  US5236687-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  FUNABASHI M,  ABE H,  TAKADA T;  US5256499-A   ALLIED-SIGNAL INC (ALLC)   MINH N Q,  STILLWAGON T L;  US5264300-A   GEBR SULZER AG (SULZ);  SULZER INNOTEC AG (SULZ)   BARP B,  DIETHELM R;  US5269902-A   GAS RES INST INC (GASR-Non-standard)   ELANGOVAN S,  KHANDKAR A C;  US5340664-A   CERAMATEC INC (CERA-Non-standard)   HARTVIGSEN J J;  US5376472-A   CERAMATEC INC (CERA-Non-standard)   PROUSE D W,  ELANGOVAN S,  HARTVIGSEN J J,  KHANDKAR A C;  US5399442-A   FUJI ELECTRIC CO LTD (FJIE)   SHUNDO H;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5514486-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5549983-A   ALLIED-SIGNAL INC (ALLC)   YAMANIS J;  US5595834-A   UNIV CALIFORNIA (REGC)   NEUTZLER J K,  WILSON M S;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5683828-A   AEROJET GEN CORP (AERG)   SPEAR R G,  MUEGGENBURG H H,  HODGE R;  US5716437-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  THOMPSETT D;  US5747185-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S;  US5942349-A   CERAMIC FUEL CELLS LTD (CERA-Non-standard)   BADWAL S P,  FOGER K,  ZHENG X G,  JAFFREY D;  US6361892-B1   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   RUHL R C,  MILLIKEN C E,  PETRIK M A