WO200256400-A2 -- JP06208853-A   ;  US3336162-A   ;  US3748180-A   US SEC OF NAVY (USNA);  US3975913-A   ERICKSON D C (ERIC-Individual)   ERICKSON D C;  US5256172-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US5292598-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5523176-A   FONDA-BONARDI G (FOND-Individual)   FONDA-BONARDI G;  WO1995028510-A1   ;  WO2002035623-A2   ;  US2002112479-A1 -- US1-A   ;  US3336162-A   ;  US3748180-A   US SEC OF NAVY (USNA);  US3847672-A   UNITED AIRCRAFT CORP (UNAC);  US3865924-A   INST GAS TECHNOLOGY (IGTE)   GIDASPOW D,  ONISCHAK M;  US3975913-A   ERICKSON D C (ERIC-Individual)   ERICKSON D C;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US4595642-A   MITSUBISHI HEAVY IND CO LTD (MITO)   NAKANISHI K,  TANABE S,  IZUMI J;  US4781735-A   OSAKA SANSO KOGYO K (OSAS-Non-standard)   TAGAWA T,  SUZU Y,  HAYASHI S,  MIZUGUCHI Y;  US4801308-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4816121-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4859997-A   THOMSON CSF (CSFC)   BOURON J P,  GIROUX D,  ROUSSEAU P;  US4968329-A   TAYLOR J M (TAYL-Individual);  KEEFER B G (KEEF-Individual)   KEEFER B G;  US4969935-A   AIR LIQUIDE CANADA LTEE (AIRL)   HAY L;  US4988580-A   TOYO ENG CORP (TOXS)   OHSAKI K,  SHIMA K,  OSAKI K,  OKADA M;  US5068159-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US5147735-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  US5175061-A   LINDE AG (LINM)   SCHRAMM W,  HILDEBRAND U;  US5176897-A   ALLIED-SIGNAL INC (ALLC)   LESTE G R;  US5256172-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US5292598-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5328503-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  NAHEIRI T,  WATSON C F;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5408832-A   SAES GETTERS SPA (SAES)   BOFFITO C,  SCHIABEL A,  GALLITOGNOTTA A;  US5411578-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  AGRAWAL R,  WATSON C F,  WHITLEY R D;  US5434016-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5523176-A   FONDA-BONARDI G (FOND-Individual)   FONDA-BONARDI G;  US5523326-A   UOP (UNVO)   MAURER R T,  FUNK G A,  SWIFT J D,  DANDEKAR H W;  US5543238-A   SIEMENS AG (SIEI)   STRASSER K;  US5593640-A   BALL CORP (BALP)   LYNCH F,  LONG E,  SCHMIDT J;  US5604047-A   ;  US5645950-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5686196-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GEORGE R A,  SINGH P;  US5711926-A   KNAEBEL K S (KNAE-Individual)   KNAEBEL K S;  US5811201-A   SOUTHERN CALIFORNIA EDISON CO (SCAL-Non-standard)   SKOWRONSKI M J;  US5832728-A   BUCK E S (BUCK-Individual)   BUCK E S;  US5917136-A   AIR PROD & CHEM INC (AIRP)   BRZOZOWSKI J R,  MAYORGA S G,  TAYLOR F W,  GAFFNEY T R,  GOLDEN T C;  US5981096-A   DAIMLER-BENZ AG (DAIM)   LAMM A,  URBAN P,  HORNBURG G;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6051050-A   QUESTOR IND INC (QUES-Non-standard)   KEEFER B G,  DOMAN D G;  US6110612-A   PLUG POWER INC (PLUG-Non-standard)   WALSH M M;  US20020142198-A1   ;  US6170264-B1   CLEAN ENERGY SYSTEMS INC (CLEA-Non-standard)   VITERI F,  TAYLOR J P,  BRANDT H,  ANDERSON R E;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6190791-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   HORNBURG G;  US6206630-B1   UNIVERSAL ELECTRIC POWER CORP (UVEL-Non-standard)   FELTENBERGER B D,  FELTENBERGER R S;  US6283723-B1   VAIREX CORP (VAIR-Non-standard)   MILBURN S M,  BARBER J L,  CRONIN J J;  US6293767-B1   COPELAND CORP (EMEL)   BASS M;  US6312843-B1   TOYODA JIDOSHOKKI SEISAKUSHO KK (TOYX)   KIMBARA M,  BAN T,  KUBO H,  KATOH H;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  US2006280993-A1 -- US3070703-A   ;  US3336162-A   ;  US3748180-A   US SEC OF NAVY (USNA);  US3847672-A   UNITED AIRCRAFT CORP (UNAC);  US3865924-A   INST GAS TECHNOLOGY (IGTE)   GIDASPOW D,  ONISCHAK M;  US3975913-A   ERICKSON D C (ERIC-Individual)   ERICKSON D C;  US4135361-A   DRAPER C S LAB (DRAP-Non-standard)   ELSENHAURE D B;  US4386309-A   DFVLR DEUT FORSCH LUFT RAUMFAHRT (DELF);  DEUT FORSCH LUFT RAUMFAHRT EV (DELF)   PESCHKA W;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US4555453-A   ELECTRIC POWER RES INST INC (ELPO)   APPLEBY A J;  US4595642-A   MITSUBISHI HEAVY IND CO LTD (MITO)   NAKANISHI K,  TANABE S,  IZUMI J;  US4759997-A   HITACHI LTD (HITA);  HITACHI TECHNO ENGINEER (HIST)   OOYACHI H,  AMANO Y,  HANZAWA A;  US4781735-A   OSAKA SANSO KOGYO K (OSAS-Non-standard)   TAGAWA T,  SUZU Y,  HAYASHI S,  MIZUGUCHI Y;  US4801308-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4816121-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4968329-A   TAYLOR J M (TAYL-Individual);  KEEFER B G (KEEF-Individual)   KEEFER B G;  US4969935-A   AIR LIQUIDE CANADA LTEE (AIRL)   HAY L;  US4988580-A   TOYO ENG CORP (TOXS)   OHSAKI K,  SHIMA K,  OSAKI K,  OKADA M;  US5068159-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US5147735-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  US5175061-A   LINDE AG (LINM)   SCHRAMM W,  HILDEBRAND U;  US5256172-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US5292598-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5328503-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  NAHEIRI T,  WATSON C F;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5408832-A   SAES GETTERS SPA (SAES)   BOFFITO C,  SCHIABEL A,  GALLITOGNOTTA A;  US5411578-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  AGRAWAL R,  WATSON C F,  WHITLEY R D;  US5434016-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5523176-A   FONDA-BONARDI G (FOND-Individual)   FONDA-BONARDI G;  US5523326-A   UOP (UNVO)   MAURER R T,  FUNK G A,  SWIFT J D,  DANDEKAR H W;  US5543238-A   SIEMENS AG (SIEI)   STRASSER K;  US5593640-A   BALL CORP (BALP)   LYNCH F,  LONG E,  SCHMIDT J;  US5604047-A   ;  US5645950-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5686196-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GEORGE R A,  SINGH P;  US5711926-A   KNAEBEL K S (KNAE-Individual)   KNAEBEL K S;  US5714276-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US5811201-A   SOUTHERN CALIFORNIA EDISON CO (SCAL-Non-standard)   SKOWRONSKI M J;  US5832728-A   BUCK E S (BUCK-Individual)   BUCK E S;  US5867978-A   PENN STATE RES FOUND (PSRF)   KLANCHAR M,  HUGHES T G;  US5900329-A   SIEMENS AG (SIEI)   REITER K,  CHMELIK P,  LEHMEIER J;  US5917136-A   AIR PROD & CHEM INC (AIRP)   BRZOZOWSKI J R,  MAYORGA S G,  TAYLOR F W,  GAFFNEY T R,  GOLDEN T C;  US5980857-A   BOC GROUP PLC (BRTO)   KAPOOR A,  CHEN Y,  DAVIES S P,  THOROGOOD R M,  KUMAR R;  US5981096-A   DAIMLER-BENZ AG (DAIM)   LAMM A,  URBAN P,  HORNBURG G;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6051050-A   QUESTOR IND INC (QUES-Non-standard)   KEEFER B G,  DOMAN D G;  US6110612-A   PLUG POWER INC (PLUG-Non-standard)   WALSH M M;  US20020142198-A1   ;  US6170264-B1   CLEAN ENERGY SYSTEMS INC (CLEA-Non-standard)   VITERI F,  TAYLOR J P,  BRANDT H,  ANDERSON R E;  US6176897-B1   KEEFER B G (KEEF-Individual)   KEEFER B G;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6190791-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   HORNBURG G;  US6194092-B1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OHARA H,  UCHIDA M,  SUGAWARA Y;  US6206630-B1   UNIVERSAL ELECTRIC POWER CORP (UVEL-Non-standard)   FELTENBERGER B D,  FELTENBERGER R S;  US6283723-B1   VAIREX CORP (VAIR-Non-standard)   MILBURN S M,  BARBER J L,  CRONIN J J;  US6293767-B1   COPELAND CORP (EMEL)   BASS M;  US6305442-B1   ENERGY CONVERSION DEVICES INC (ENGD)   OVSHINSKY S R,  YOUNG R T;  US6312843-B1   TOYODA JIDOSHOKKI SEISAKUSHO KK (TOYX)   KIMBARA M,  BAN T,  KUBO H,  KATOH H;  US6854273-B1   DELPHI TECHNOLOGIES INC (DELP)   LASLEY A J,  FATTIC G T,  RAJASHEKARA K;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  US8015808-B2 -- CA1256038-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  CA2016045-A   ;  CA2109055-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  CA2087972-C   KEEFER B G (KEEF-Individual)   KEEFER B G;  CA2087973-C   KEEFER B G (KEEF-Individual)   KEEFER B G;  DE3913581-A   LINDE AG (LINM)   SCHRAMM W;  EP143537-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  EP341189-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  EP691701-A1   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  EP681860-A2   BOC GROUP INC (BRTO)   LACAVA A,  MCKEIGUE K;  EP1070531-A2   BOC GROUP INC (BRTO)   JAIN R,  LACAVA A I,  MAHESHWARY A,  AMBRIANO J R,  ACHARYA D R,  FITCH F R;  JP06208853-A   ;  JP07094200-A   ;  JP07279758-A   ;  JP08045526-A   ;  JP11214021-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI);  ONDA K (ONDA-Individual)   HAMADA Y,  ONDA K;  JP62278770-A   ;  JP2000072401-A   ;  US3070703-A   ;  US3336162-A   ;  US3748180-A   US SEC OF NAVY (USNA);  US3847672-A   UNITED AIRCRAFT CORP (UNAC);  US3865924-A   INST GAS TECHNOLOGY (IGTE)   GIDASPOW D,  ONISCHAK M;  US3975913-A   ERICKSON D C (ERIC-Individual)   ERICKSON D C;  US4135361-A   DRAPER C S LAB (DRAP-Non-standard)   ELSENHAURE D B;  US4386309-A   DFVLR DEUT FORSCH LUFT RAUMFAHRT (DELF);  DEUT FORSCH LUFT RAUMFAHRT EV (DELF)   PESCHKA W;  US4532192-A   ENERGY RES CORP (ENER-Non-standard);  MITSUBISHI DENKI KK (MITQ)   BAKER B S,  GHEZEAYAG H G;  US4555453-A   ELECTRIC POWER RES INST INC (ELPO)   APPLEBY A J;  US4595642-A   MITSUBISHI HEAVY IND CO LTD (MITO)   NAKANISHI K,  TANABE S,  IZUMI J;  US4759997-A   HITACHI LTD (HITA);  HITACHI TECHNO ENGINEER (HIST)   OOYACHI H,  AMANO Y,  HANZAWA A;  US4781735-A   OSAKA SANSO KOGYO K (OSAS-Non-standard)   TAGAWA T,  SUZU Y,  HAYASHI S,  MIZUGUCHI Y;  US4801308-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4816121-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US4968329-A   TAYLOR J M (TAYL-Individual);  KEEFER B G (KEEF-Individual)   KEEFER B G;  US4969935-A   AIR LIQUIDE CANADA LTEE (AIRL)   HAY L;  US4988580-A   TOYO ENG CORP (TOXS)   OHSAKI K,  SHIMA K,  OSAKI K,  OKADA M;  US5068159-A   ISHIKAWAJIMA-HARIMA (ISHI)   KINOSHITA N;  US5079103-A   LINDE AG (LINM)   SCHRAMM W;  US5147735-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  US5175061-A   LINDE AG (LINM)   SCHRAMM W,  HILDEBRAND U;  US5256172-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US5292598-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5328503-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  NAHEIRI T,  WATSON C F;  US5366818-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  WATKINS D S,  PRATER K B;  US5408832-A   SAES GETTERS SPA (SAES)   BOFFITO C,  SCHIABEL A,  GALLITOGNOTTA A;  US5411578-A   AIR PROD & CHEM INC (AIRP)   KUMAR R,  AGRAWAL R,  WATSON C F,  WHITLEY R D;  US5434016-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5523176-A   FONDA-BONARDI G (FOND-Individual)   FONDA-BONARDI G;  US5523326-A   UOP (UNVO)   MAURER R T,  FUNK G A,  SWIFT J D,  DANDEKAR H W;  US5543238-A   SIEMENS AG (SIEI)   STRASSER K;  US5593640-A   BALL CORP (BALP)   LYNCH F,  LONG E,  SCHMIDT J;  US5604047-A   ;  US5645950-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5686196-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GEORGE R A,  SINGH P;  US5711926-A   KNAEBEL K S (KNAE-Individual)   KNAEBEL K S;  US5714276-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US5811201-A   SOUTHERN CALIFORNIA EDISON CO (SCAL-Non-standard)   SKOWRONSKI M J;  US5832728-A   BUCK E S (BUCK-Individual)   BUCK E S;  US5867978-A   PENN STATE RES FOUND (PSRF)   KLANCHAR M,  HUGHES T G;  US5900329-A   SIEMENS AG (SIEI)   REITER K,  CHMELIK P,  LEHMEIER J;  US5917136-A   AIR PROD & CHEM INC (AIRP)   BRZOZOWSKI J R,  MAYORGA S G,  TAYLOR F W,  GAFFNEY T R,  GOLDEN T C;  US5980857-A   BOC GROUP PLC (BRTO)   KAPOOR A,  CHEN Y,  DAVIES S P,  THOROGOOD R M,  KUMAR R;  US5981096-A   DAIMLER-BENZ AG (DAIM)   LAMM A,  URBAN P,  HORNBURG G;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6051050-A   QUESTOR IND INC (QUES-Non-standard)   KEEFER B G,  DOMAN D G;  US6110612-A   PLUG POWER INC (PLUG-Non-standard)   WALSH M M;  US20020142198-A1   ;  US6170264-B1   CLEAN ENERGY SYSTEMS INC (CLEA-Non-standard)   VITERI F,  TAYLOR J P,  BRANDT H,  ANDERSON R E;  US6176897-B1   KEEFER B G (KEEF-Individual)   KEEFER B G;  US6190623-B1   UOP LLC (UNVO)   SANGER R J,  SENETAR J J,  VANDEN BUSSCHE K,  TOWLER G P,  DOSHI K J;  US6190791-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   HORNBURG G;  US6194092-B1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   OHARA H,  UCHIDA M,  SUGAWARA Y;  US6206630-B1   UNIVERSAL ELECTRIC POWER CORP (UVEL-Non-standard)   FELTENBERGER B D,  FELTENBERGER R S;  US6283723-B1   VAIREX CORP (VAIR-Non-standard)   MILBURN S M,  BARBER J L,  CRONIN J J;  US6293767-B1   COPELAND CORP (EMEL)   BASS M;  US6305442-B1   ENERGY CONVERSION DEVICES INC (ENGD)   OVSHINSKY S R,  YOUNG R T;  US6312843-B1   TOYODA JIDOSHOKKI SEISAKUSHO KK (TOYX)   KIMBARA M,  BAN T,  KUBO H,  KATOH H;  US6854273-B1   DELPHI TECHNOLOGIES INC (DELP)   LASLEY A J,  FATTIC G T,  RAJASHEKARA K;  US6627338-B2   BALLARD POWER SYSTEMS INC (BLRD)   ST-PIERRE J,  WILKINSON D P,  WAINWRIGHT D S;  WO1995028510-A1   ;  WO2000075559-A1   ;  WO2000076630-A1   ;  WO2001000987-A1   ;  WO1999046032-A2   ;  WO2002035623-A2   ;  WO200256400-A3 -- JP06208853-A   ;  US3336162-A   ;  US3748180-A   US SEC OF NAVY (USNA);  US3975913-A   ERICKSON D C (ERIC-Individual)   ERICKSON D C;  US5256172-A   KEEFER B G (KEEF-Individual)   KEEFER B G;  US5292598-A   ROSNER S (ROSN-Individual)   ROSNER S;  US5523176-A   FONDA-BONARDI G (FOND-Individual)   FONDA-BONARDI G;  WO1995028510-A1   ;  WO2002035623-A2