US2005271924-A1 -- US5733435-A   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F;  US6811913-B2   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   RUHL R C;  US7011903-B2   PLUG POWER INC (PLUG-Non-standard)   BENSON G E,  BALLANTINE A W,  PARKS J W,  ZIELINSKI W J,  WHITE E T,  SINUC R A;  WO2005117190-A2 -- GB2206571-A   ;  US5733435-A   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F;  US6811913-B2   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   RUHL R C;  US7011903-B2   PLUG POWER INC (PLUG-Non-standard)   BENSON G E,  BALLANTINE A W,  PARKS J W,  ZIELINSKI W J,  WHITE E T,  SINUC R A;  US7255949-B2 -- GB2206571-A   ;  US3544376-A   ATLANTIC RICHFIELD CO (ATLF);  US4130693-A   CIE FR RAFFINAGE SA (COFR);  VAN DEN BERGHE P (VDBE-Individual);  US4810485-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G,  FLEMING D K;  US4851303-A   SRI INT (STRI)   MADOU M J,  OTAGAWA T,  SHER A;  US4927793-A   KUREHA CHEM IND CO LTD (KURE)   HORI S,  WATANABE N;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5387330-A   MATSUSHITA ELEC IND CO LTD (MATU)   TANIGUCHI N,  NIIKURA J,  HATOH K,  GAMO T;  US5439579-A   TOKYO YOGYO KK (TOLY)   KOIDE K,  YAJIMA T;  US5496655-A   LOCKHEED IDAHO TECHNOLOGIES CO (LOCK)   LESSING P A;  US5549983-A   ALLIED-SIGNAL INC (ALLC)   YAMANIS J;  US5604048-A   KYOCERA CORP (KYOC)   NISHIHARA M,  AKIYAMA M,  YAMASHITA S;  US5616223-A   GAS RES INST (GASR-Non-standard)   VIRKAR A V,  LIU M,  JOSHI A V,  SHEN Y,  KRIST K;  US5670270-A   DOW CHEM CO (DOWC)   WALLIN S A;  US5682261-A   MATSUSHITA ELEC IND CO LTD (MATU);  JAPAN SYNTHETIC RUBBER CO LTD (JAPS)   TAKADA K,  KONDO S,  MINAMI T,  TATSUMISAGO M,  TAKEUCHI Y;  US5733435-A   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F;  US5795502-A   KYOCERA CORP (KYOC)   SHIGEHISA T,  AKIYAMA M;  US5935398-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TANIGUCHI N,  NAKAGIRI Y,  GAMOU T,  OHARA K,  KAWAMURA M;  US6033632-A   ELTRON RES INC (ELTR-Non-standard)   SCHWARTZ M,  WHITE J H,  SAMMELLS A F;  US6066307-A   PRAXAIR TECHNOLOGY INC (PRAX)   KESKAR N R,  PRASAD R,  GOTTZMAN C F;  US6153163-A   PRAXAIR TECHNOLOGY INC (PRAX)   PRASAD R,  GOTTZMANN C F,  SCHWARTZ J M;  US20020006369-A1   ;  US20030219637-A1   ;  US20050019622-A1   ;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6214757-B1   ELTRON RES INC (ELTR-Non-standard)   SCHWARTZ M,  WHITE J H,  SAMMELLS A F;  US6235417-B1   CANADA MIN NATURAL RESOURCES (CNDG)   WACHSMAN E D,  JIANG N;  US6265093-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US6281403-B1   ELTRON RES INC (ELTR-Non-standard)   WHITE J H,  SCHWARTZ M,  SAMMELLS A F;  US6338833-B1   HALDOR TOPSOE AS (TOPS)   AASBERG-PETERSEN K;  US6811913-B2   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   RUHL R C;  US7011903-B2   PLUG POWER INC (PLUG-Non-standard)   BENSON G E,  BALLANTINE A W,  PARKS J W,  ZIELINSKI W J,  WHITE E T,  SINUC R A