US2007042247-A1 -- US2824620-A   ;  US3336730-A   ;  US3338681-A   ;  US3350176-A   ;  US3469944-A   ;  US3522019-A   UTD AIRCRAFT CORP (UNAC);  US3655448-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4175165-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4214969-A   GENERAL ELECTRIC CO (GENE);  UNITED TECHNOLOGIES CORP (UNAC)   LAWRANCE R J;  US4390602-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4468235-A   HILL E F (HILL-Individual)   HILL E F;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  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;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  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;  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;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6146780-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US20020076591-A1   ;  US20020127448-A1   ;  US20030113601-A1   ;  US20050084726-A1   ;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6319306-B1   IDATECH LLC (BLRD)   EDLUND D J,  PLEDGER W A,  STUDEBAKER T;  US6365289-B1   GENERAL MOTORS CORP (GENK)   LEE J H,  SIEPIERSKI J S,  WOODY G R;  US6376113-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US6494937-B1   IDATECH LLC (BLRD)   EDLUND D J,  HILL C R,  PLEDGER W A,  STUDEBAKER R T;  US6495277-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  HOLMES C F;  US6562111-B2   EDLUND D J (EDLU-Individual);  HILL C R (HILL-Individual)   EDLUND D J,  HILL C R;  US6663993-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6835481-B2   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J;  WO2007021660-A2 -- US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6663993-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  WO2003049221-A2   NISSAN MOTOR CO LTD (NSMO)   HASHIMOTO T,  YAMAMOTO S,  FUJII K,  SHIMONOSONO H;  WO2004004034-A2   HYDROGENICS CORP (HYDR-Non-standard)   ALVA J;  EP1929568-A2 -- JP2004349248-A   ;  US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  WO2005043666-A1   GREENLIGHT POWER TECHNOLOGIES INC (GREE-Non-standard)   LAMONT G J,  MARTIN B W,  PIOTROWSKI J;  US8003270-B2 -- JP2004335402-A   ;  JP2004349248-A   ;  US2824620-A   ;  US3336730-A   ;  US3338681-A   ;  US3350176-A   ;  US3469944-A   ;  US3522019-A   UTD AIRCRAFT CORP (UNAC);  US3655448-A   UNITED AIRCRAFT CORP (UNAC);  US3857735-A   LICENTIA PATENT-VERW GMBH (LICN);  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4098960-A   UNITED TECHNOLOGIES CORP (UNAC)   GAGNON R N;  US4175165-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4214969-A   GENERAL ELECTRIC CO (GENE);  UNITED TECHNOLOGIES CORP (UNAC)   LAWRANCE R J;  US4390602-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4468235-A   HILL E F (HILL-Individual)   HILL E F;  US4642273-A   MITSUBISHI ELECTRIC CORP (MITQ)   SASAKI A;  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;  US5432710-A   OSAKA GAS CO LTD (OSAG)   ISHIMARU K,  NAKASHIBA A,  KOGA M,  OHNISHI H,  KAWAHARA H;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  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;  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;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5897970-A   NGK INSULATORS LTD (NIGA)   ISOMURA M,  SOMA T,  TAKAHASHI T;  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;  US6083637-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   WALZ H F,  ZUR MEGEDE D;  US6146780-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US20020076591-A1   ;  US20020127448-A1   ;  US20030113601-A1   ;  US20050084726-A1   ;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6319306-B1   IDATECH LLC (BLRD)   EDLUND D J,  PLEDGER W A,  STUDEBAKER T;  US6365289-B1   GENERAL MOTORS CORP (GENK)   LEE J H,  SIEPIERSKI J S,  WOODY G R;  US6376113-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6465118-B1   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J,  PLEDGER W A;  US6494937-B1   IDATECH LLC (BLRD)   EDLUND D J,  HILL C R,  PLEDGER W A,  STUDEBAKER R T;  US6495277-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  HOLMES C F;  US6562111-B2   EDLUND D J (EDLU-Individual);  HILL C R (HILL-Individual)   EDLUND D J,  HILL C R;  US6663993-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6835481-B2   IDATECH LLC (BLRD)   DICKMAN A J,  EDLUND D J;  WO2005043666-A1   GREENLIGHT POWER TECHNOLOGIES INC (GREE-Non-standard)   LAMONT G J,  MARTIN B W,  PIOTROWSKI J;  WO2003049221-A2   NISSAN MOTOR CO LTD (NSMO)   HASHIMOTO T,  YAMAMOTO S,  FUJII K,  SHIMONOSONO H;  WO2004004034-A2   HYDROGENICS CORP (HYDR-Non-standard)   ALVA J;  EP1929568-B1 -- JP2004349248-A   ;  US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6663993-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  WO2005043666-A1   GREENLIGHT POWER TECHNOLOGIES INC (GREE-Non-standard)   LAMONT G J,  MARTIN B W,  PIOTROWSKI J;  WO2003049221-A2   NISSAN MOTOR CO LTD (NSMO)   HASHIMOTO T,  YAMAMOTO S,  FUJII K,  SHIMONOSONO H;  WO2004004034-A2   HYDROGENICS CORP (HYDR-Non-standard)   ALVA J;  WO2007021660-A3 -- US6394207-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6663993-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  US6673482-B2   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T;  WO2003049221-A2   NISSAN MOTOR CO LTD (NSMO)   HASHIMOTO T,  YAMAMOTO S,  FUJII K,  SHIMONOSONO H;  WO2004004034-A2   HYDROGENICS CORP (HYDR-Non-standard)   ALVA J