WO200150541-A1 -- US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6465118-B1 -- US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  EP434562-A   ;  GB1037423-A   ;  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3920416-A   NAT AERO & SPACE ADMIN (USAS);  US ENERGY R & D ADMIN (USAT);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US3980452-A   METALLGESELLSCHAFT AG (METG);  US4003343-A   PHILLIPS PETROLEUM CO (PHIP)   LEE R C;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4238403-A   IMPERIAL CHEM IND LTD (ICIL);  US4302177-A   KELLOGG CO M W (PULL)   FRANKHANEL M O,  ROOSOV A K;  US4315893-A   FOSTER WHEELER ENERGY CORP (FOSX)   MCCALLISTE R A;  US4381641-A   GULF RES & DEV CO (GULF)   MADGAVKAR A M,  SWIFT H E;  US4444158-A   CONOCO INC (CONO)   YOON H;  US4472176-A   RESOURCE SYSTEMS IN (RESO-Non-standard)   RUBIN L R;  US4473622-A   GENERAL ELECTRIC CO (GENE);  CHLUDZINSKI P J (CHLU-Individual);  UNITED TECHNOLOGIES CORP (UNAC)   CHLUDZINSK P J,  DANTOWITZ P,  MCELROY J F;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4567857-A   NAT AERO & SPACE ADMIN (USAS)   HOUSEMAN J,  VOECKS G E;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4650814-A   KELLER A P (KELL-Individual)   KELLER A P;  US4657828-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4788004-A   IMPERIAL CHEM IND PLC (ICIL)   PINTO A,  DAVIDSON P J,  LIMBACH A P J;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4865624-A   NIPPON SANSO KK (NIIO)   OKADA H;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5417051-A   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5631820-A   BATTELLE MEMORIAL INST (BATT)   HAMMERSTROM D J,  DONNELLY M K;  US5637414-A   FUJI ELECTRIC CO LTD (FJIE)   INOUE S,  NAGAI T,  KOMATSU T,  WAKATSUKI S,  MOGI H;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5677073-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6042956-A   SULZER HEXIS AG (SULZ)   LENEL D;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6077620-A   GENERAL MOTORS CORP (GENK)   PETTIT W H;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6187066-B1   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BENZ U,  BONEBERG S,  HEIL D;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1   ;  US2003049502-A1 -- US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3920416-A   NAT AERO & SPACE ADMIN (USAS);  US ENERGY R & D ADMIN (USAT);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US3980452-A   METALLGESELLSCHAFT AG (METG);  US4003343-A   PHILLIPS PETROLEUM CO (PHIP)   LEE R C;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4238403-A   IMPERIAL CHEM IND LTD (ICIL);  US4302177-A   KELLOGG CO M W (PULL)   FRANKHANEL M O,  ROOSOV A K;  US4315893-A   FOSTER WHEELER ENERGY CORP (FOSX)   MCCALLISTE R A;  US4381641-A   GULF RES & DEV CO (GULF)   MADGAVKAR A M,  SWIFT H E;  US4444158-A   CONOCO INC (CONO)   YOON H;  US4472176-A   RESOURCE SYSTEMS IN (RESO-Non-standard)   RUBIN L R;  US4473622-A   GENERAL ELECTRIC CO (GENE);  CHLUDZINSKI P J (CHLU-Individual);  UNITED TECHNOLOGIES CORP (UNAC)   CHLUDZINSK P J,  DANTOWITZ P,  MCELROY J F;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4567857-A   NAT AERO & SPACE ADMIN (USAS)   HOUSEMAN J,  VOECKS G E;  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US4650814-A   KELLER A P (KELL-Individual)   KELLER A P;  US4657828-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US4659634-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4788004-A   IMPERIAL CHEM IND PLC (ICIL)   PINTO A,  DAVIDSON P J,  LIMBACH A P J;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4865624-A   NIPPON SANSO KK (NIIO)   OKADA H;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5417051-A   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5631820-A   BATTELLE MEMORIAL INST (BATT)   HAMMERSTROM D J,  DONNELLY M K;  US5637414-A   FUJI ELECTRIC CO LTD (FJIE)   INOUE S,  NAGAI T,  KOMATSU T,  WAKATSUKI S,  MOGI H;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5677073-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6042956-A   SULZER HEXIS AG (SULZ)   LENEL D;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6077620-A   GENERAL MOTORS CORP (GENK)   PETTIT W H;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6187066-B1   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BENZ U,  BONEBERG S,  HEIL D;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  US6878474-B2 -- EP434562-A   ;  GB1037423-A   ;  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3920416-A   NAT AERO & SPACE ADMIN (USAS);  US ENERGY R & D ADMIN (USAT);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US3980452-A   METALLGESELLSCHAFT AG (METG);  US4003343-A   PHILLIPS PETROLEUM CO (PHIP)   LEE R C;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4238403-A   IMPERIAL CHEM IND LTD (ICIL);  US4302177-A   KELLOGG CO M W (PULL)   FRANKHANEL M O,  ROOSOV A K;  US4315893-A   FOSTER WHEELER ENERGY CORP (FOSX)   MCCALLISTE R A;  US4381641-A   GULF RES & DEV CO (GULF)   MADGAVKAR A M,  SWIFT H E;  US4444158-A   CONOCO INC (CONO)   YOON H;  US4472176-A   RESOURCE SYSTEMS IN (RESO-Non-standard)   RUBIN L R;  US4473622-A   GENERAL ELECTRIC CO (GENE);  CHLUDZINSKI P J (CHLU-Individual);  UNITED TECHNOLOGIES CORP (UNAC)   CHLUDZINSK P J,  DANTOWITZ P,  MCELROY J F;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4567857-A   NAT AERO & SPACE ADMIN (USAS)   HOUSEMAN J,  VOECKS G E;  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US4650814-A   KELLER A P (KELL-Individual)   KELLER A P;  US4657828-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US4659634-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4788004-A   IMPERIAL CHEM IND PLC (ICIL)   PINTO A,  DAVIDSON P J,  LIMBACH A P J;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4865624-A   NIPPON SANSO KK (NIIO)   OKADA H;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5417051-A   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5631820-A   BATTELLE MEMORIAL INST (BATT)   HAMMERSTROM D J,  DONNELLY M K;  US5637414-A   FUJI ELECTRIC CO LTD (FJIE)   INOUE S,  NAGAI T,  KOMATSU T,  WAKATSUKI S,  MOGI H;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5677073-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6042956-A   SULZER HEXIS AG (SULZ)   LENEL D;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6077620-A   GENERAL MOTORS CORP (GENK)   PETTIT W H;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6187066-B1   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BENZ U,  BONEBERG S,  HEIL D;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1   ;  US2005164052-A1 -- US3762946-A   MINNESOTA MINING AND MFG (MINN);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3920416-A   NAT AERO & SPACE ADMIN (USAS);  US ENERGY R & D ADMIN (USAT);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US3980452-A   METALLGESELLSCHAFT AG (METG);  US4003343-A   PHILLIPS PETROLEUM CO (PHIP)   LEE R C;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4238403-A   IMPERIAL CHEM IND LTD (ICIL);  US4302177-A   KELLOGG CO M W (PULL)   FRANKHANEL M O,  ROOSOV A K;  US4315893-A   FOSTER WHEELER ENERGY CORP (FOSX)   MCCALLISTE R A;  US4381641-A   GULF RES & DEV CO (GULF)   MADGAVKAR A M,  SWIFT H E;  US4444158-A   CONOCO INC (CONO)   YOON H;  US4472176-A   RESOURCE SYSTEMS IN (RESO-Non-standard)   RUBIN L R;  US4473622-A   GENERAL ELECTRIC CO (GENE);  CHLUDZINSKI P J (CHLU-Individual);  UNITED TECHNOLOGIES CORP (UNAC)   CHLUDZINSK P J,  DANTOWITZ P,  MCELROY J F;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4567857-A   NAT AERO & SPACE ADMIN (USAS)   HOUSEMAN J,  VOECKS G E;  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US4650814-A   KELLER A P (KELL-Individual)   KELLER A P;  US4657828-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US4659634-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4788004-A   IMPERIAL CHEM IND PLC (ICIL)   PINTO A,  DAVIDSON P J,  LIMBACH A P J;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4865624-A   NIPPON SANSO KK (NIIO)   OKADA H;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5417051-A   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5631820-A   BATTELLE MEMORIAL INST (BATT)   HAMMERSTROM D J,  DONNELLY M K;  US5637414-A   FUJI ELECTRIC CO LTD (FJIE)   INOUE S,  NAGAI T,  KOMATSU T,  WAKATSUKI S,  MOGI H;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5677073-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6042956-A   SULZER HEXIS AG (SULZ)   LENEL D;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6077620-A   GENERAL MOTORS CORP (GENK)   PETTIT W H;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6187066-B1   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BENZ U,  BONEBERG S,  HEIL D;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US6878474-B2   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  US7485381-B2 -- EP434562-A   ;  GB1037423-A   ;  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3920416-A   NAT AERO & SPACE ADMIN (USAS);  US ENERGY R & D ADMIN (USAT);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US3980452-A   METALLGESELLSCHAFT AG (METG);  US4003343-A   PHILLIPS PETROLEUM CO (PHIP)   LEE R C;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4238403-A   IMPERIAL CHEM IND LTD (ICIL);  US4302177-A   KELLOGG CO M W (PULL)   FRANKHANEL M O,  ROOSOV A K;  US4315893-A   FOSTER WHEELER ENERGY CORP (FOSX)   MCCALLISTE R A;  US4381641-A   GULF RES & DEV CO (GULF)   MADGAVKAR A M,  SWIFT H E;  US4444158-A   CONOCO INC (CONO)   YOON H;  US4472176-A   RESOURCE SYSTEMS IN (RESO-Non-standard)   RUBIN L R;  US4473622-A   GENERAL ELECTRIC CO (GENE);  CHLUDZINSKI P J (CHLU-Individual);  UNITED TECHNOLOGIES CORP (UNAC)   CHLUDZINSK P J,  DANTOWITZ P,  MCELROY J F;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4567857-A   NAT AERO & SPACE ADMIN (USAS)   HOUSEMAN J,  VOECKS G E;  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4644751-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HSY M S;  US4650814-A   KELLER A P (KELL-Individual)   KELLER A P;  US4657828-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US4659634-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4788004-A   IMPERIAL CHEM IND PLC (ICIL)   PINTO A,  DAVIDSON P J,  LIMBACH A P J;  US4849187-A   TOYO ENG CORP (TOXS)   UOZU H,  NAITOH A,  NUMAGUCHI T;  US4865624-A   NIPPON SANSO KK (NIIO)   OKADA H;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5229222-A   SANYO ELECTRIC CO (SAOL)   TSUTSUMI M,  NISHIZAWA N,  ITOH T,  MATSUBAYASHI T,  YONESAKI T,  SATOH K,  FURUKAWA A,  YONEZU I,  FUJITANI S,  NASAKO K,  SAITO T,  SATO K;  US5335628-A   AQUA CHEM INC (AQAC)   DUNBAR W R;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5417051-A   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5631820-A   BATTELLE MEMORIAL INST (BATT)   HAMMERSTROM D J,  DONNELLY M K;  US5637414-A   FUJI ELECTRIC CO LTD (FJIE)   INOUE S,  NAGAI T,  KOMATSU T,  WAKATSUKI S,  MOGI H;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5677073-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5741474-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5795666-A   JOHNSSEN W (JOHN-Individual)   JOHNSSEN W;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5811065-A   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   STERENBERG D J;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6042956-A   SULZER HEXIS AG (SULZ)   LENEL D;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6054229-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  ONG R Y;  US6077620-A   GENERAL MOTORS CORP (GENK)   PETTIT W H;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6187066-B1   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BENZ U,  BONEBERG S,  HEIL D;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US6878474-B2   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1