WO200150542-A1 -- US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US6451464-B1 -- EP434562-A   ;  EP1065741-A2   MITSUBISHI HEAVY IND CO LTD (MITO)   IIJIMA M,  KOBAYASHI K;  US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  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;  WO1997043796-A1   ;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1   ;  EP1252678-A1 -- EP946406-A1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  EP828303-A2   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  JP02188405-A   ;  JP07006780-A   ;  JP2000061318-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   NAGANO S;  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  WO1997043207-A1   ;  US2003017374-A1 -- US35002-A   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  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;  US6818335-B2 -- EP434562-A   ;  EP1065741-A2   MITSUBISHI HEAVY IND CO LTD (MITO)   IIJIMA M,  KOBAYASHI K;  EP828303-B1   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  EP946406-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  JP04163860-A   ;  US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  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;  WO1997043207-A1   ;  WO1997043796-A1   ;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1   ;  US2005064253-A1 -- US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US6162267-A   UOP LLC (UNVO)   STIPPICH K J,  TOWLER G P,  OROSKAR A R,  PRIEGNITZ J W,  BUSSCHE K V;  US6855452-B1   JOHNSON MATTHEY PLC (JOHO)   COOPER S J,  HOOGERS G;  US7008708-B2 -- EP434562-A   ;  EP946406-A1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  EP828303-A2   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  EP1065741-A2   MITSUBISHI HEAVY IND CO LTD (MITO)   IIJIMA M,  KOBAYASHI K;  JP04163860-A   ;  US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  US6162267-A   UOP LLC (UNVO)   STIPPICH K J,  TOWLER G P,  OROSKAR A R,  PRIEGNITZ J W,  BUSSCHE K V;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  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;  US6855452-B1   JOHNSON MATTHEY PLC (JOHO)   COOPER S J,  HOOGERS G;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  WO1997043207-A1   ;  WO1997043796-A1   ;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1   ;  US2006154120-A1 -- US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  US6162267-A   UOP LLC (UNVO)   STIPPICH K J,  TOWLER G P,  OROSKAR A R,  PRIEGNITZ J W,  BUSSCHE K V;  US6165622-A   SHARP KK (SHAF)   KIJIMA T,  MATSUNAGA H;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6211117-B1   BOWTHORPE PLC (BOWT-Non-standard)   HAGGERTY N J;  US6855452-B1   JOHNSON MATTHEY PLC (JOHO)   COOPER S J,  HOOGERS G;  US6866452-B2   NAT STEEL CAR LTD (NAST-Non-standard)   KHATTAB M A,  FORBES J W,  COSLOVI I A,  BIS T;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  JP3843014-B2 -- JP06223856-A   ;  JP07320763-A   ;  JP08293312-A   ;  JP59105275-A   ;  JP60112263-A   ;  JP63110556-A   ;  JP63264875-A   ;  JP2001023673-A   DAIHATSU MOTOR CO LTD (DAHM)   TANAKA H;  JP2002068703-A   ;  JP2001511430-W   EXXON RES & ENG CO (ESSO)   HO W W;  EP1252678-B1 -- EP946406-A1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  EP828303-A2   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  JP02188405-A   ;  JP07006780-A   ;  JP2000061318-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   NAGANO S;  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  WO1997043207-A1   ;  US7368195-B2 -- EP434562-A   ;  EP1065741-A2   MITSUBISHI HEAVY IND CO LTD (MITO)   IIJIMA M,  KOBAYASHI K;  EP828303-B1   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  EP946406-B1   JOHNSON MATTHEY PLC (JOHO)   VAN KEULEN A N J;  JP04163860-A   ;  US3469944-A   ;  US3524819-A   LUMMUS CO (LUMM);  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US3884838-A   INST GAS TECHNOLOGY (IGTE)   FLEMING D K,  RANDHAVA S S,  CAMARA E H;  US3955941-A   CALIF INST TECH (CALT-Non-standard)   HOUSEMAN J,  RUPE J H,  KUSHIDA R O;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4349613-A   VARTA BATTERIE AG (VART);  WINSEL A (WINS-Individual)   WINSEL A;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI 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;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US4904455-A   STONE & WEBSTER ENG CORP (STWE)   KARAFIAN M,  TSANG I C;  US4904548-A   FUJI ELECTRIC MFG CO LTD (FJIE)   TAJIMA H;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5030661-A   IMPERIAL CHEM IND PLC (ICIL)   LYWOOD W J;  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;  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;  US5458857-A   ROLLS ROYCE & ASSOC LTD (RORO)   COLLINS R D,  OAKLEY M J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5534659-A   PLASMA ENERGY APPLIED TECHNOLOGY INC (PLAS-Non-standard)   SPRINGER M D,  BURNS W C,  BARKLEY T;  US5612012-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  ISOMURA M;  US5616430-A   TOYOTA JIDOSHA KK (TOYT)   AOYAMA S;  US5624768-A   FUJI ELECTRIC CO LTD (FJIE)   TANOKURA K;  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;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5750076-A   BALLARD POWER SYSTEMS INC (BLRD)   MCNEILLY L,  WATKINS D S,  BUSWELL R F,  COHEN R;  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;  US5821185-A   ELTRON RES INC (ELTR-Non-standard)   SAMMELLS A F,  SCHWARTZ M,  WHITE J H;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897766-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  US5929538-A   ABACUS CONTROLS INC (ABAC-Non-standard)   O'SULLIVAN G A,  O'SULLIVAN J A;  US5932181-A   YUKONG LTD (YUKO-Non-standard)   KIM T C,  YOON G S,  CHUNG S J,  HAN J S,  HYUNG J H;  US5964309-A   TOYOTA JIDOSHA KK (TOYT);  AISIN AW CO LTD (AISW)   KIMURA Y,  NONOBE Y,  HORIGUCHI M;  US5985474-A   PLUG POWER LLC (PLUG-Non-standard)   CHEN J S,  HUANG W,  ACKER W P;  US5989739-A   DAIMLER-BENZ AG (DAIM)   ZUR MEGEDE D,  SCHUESSLER M;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6001499-A   GENERAL MOTORS CORP (GENK);  UNIV CALIFORNIA (REGC)   NEUTZLER J K,  BORUP R L,  WEISBROD K,  GROT S A,  MELTSER M A,  GUTOWSKI S;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  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;  US6162267-A   UOP LLC (UNVO)   STIPPICH K J,  TOWLER G P,  OROSKAR A R,  PRIEGNITZ J W,  BUSSCHE K V;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  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;  US6855452-B1   JOHNSON MATTHEY PLC (JOHO)   COOPER S J,  HOOGERS G;  US35002-E   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANASHIMA T;  WO1997043207-A1   ;  WO1997043796-A1   ;  WO1999065097-A1   ;  WO2000002282-A1   ;  WO2000004600-A1