WO9521469-A1 -- US5023152-A   ;  US5238754-A   SANYO ELECTRIC CO (SAOL)   YASUO T,  AKIYAMA Y,  ISHIDA N,  MURAKAMI S,  SAITOH T;  US5350642-A   OSAKA GAS CO LTD (OSAG)   AKAGI K;  US5480738-A -- US3394032-A   ;  US3488224-A   ;  US4254086-A   SANDERS A P (SAND-Individual)   SANDERS A P;  US4476196-A   ;  US4476197-A   US DEPT ENERGY (USAT)   HERCEG J E;  US4490444-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US4496373-A   KERNFORSCHUNGSANLAGE JUELICH (KERJ)   BEHR F,  SCHULTEN R,  WEYRICH W;  US4499663-A   US DEPT ENERGY (USAT)   ZWICK S A,  ACKERMAN J P;  US4510212-A   US DEPT ENERGY (USAT);  US GOVERNMENT (USGO)   FRAIOLI A V;  US4640875-A   WESTINGHOUSE ELECTRIC CORP (WESE)   MAKIEL J M;  US4647516-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  OKADA T,  KOTOGAMI Y;  US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4664987-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US4721556-A   HSU M S (HSUM-Individual)   HSU M S;  US4729931-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GRIMBLE R E;  US4732822-A   US DEPT ENERGY (USAT);  WESTINGHOUSE ELECTRIC CORP (WESE)   WRIGHT M K,  DOWNS R E,  KING R B;  US4750918-A   STEVENS INST TECH (STEV-Non-standard)   SIRKAR K K;  US4753857-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   HOSAKA M;  US4761349-A   UNIV CHICAGO (UYCG)   MCPHEETERS C C,  MRAZEK F C;  US4791035-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  US4824742-A   US DEPT ENERGY (USAT);  COMBUSTION ENG INC (COEN)   PARRY G W;  US4853301-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   GRANATA S J,  WOODLE B M;  US4874678-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  US4876163-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  US4877506-A   UNIV CHICAGO (UYCG);  FEE D C (FEED-Individual)   FEE D C,  POFPPEL R B,  EASLER T,  DEES D W;  US4877693-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S;  US4885142-A   ;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US4913982-A   ALLIED-SIGNAL INC (ALLC)   KOTCHICK D M,  MINH J N Q;  US4943494-A   US DEPT ENERGY (USAT);  UNIV CHICAGO (UYCG);  COMBUSTION ENGINE (COEN);  US4963442-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G,  PETRI R J;  US4983471-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P,  DOLLARD W J;  US5023152-A   ;  US5045413-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G,  PETRI R J,  LAWSON M G;  US5077148-A   INST GAS TECHNOLOGY (IGTE)   SCHORA F C,  MARIANOWSK L G,  PETRI R J,  LAWSON M G;  US5079105-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5082751-A   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5186806-A   CALIFORNIA INST OF TECHN (CALY)   CLARK D J,  GALICA L M,  LOSEY R W,  SUITOR J W;  US5188910-A   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MISAWA H;  US5227256-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSKI L G,  PETRI R J,  SCHORA F C,  LAWSON M G;  US5238754-A   SANYO ELECTRIC CO (SAOL)   YASUO T,  AKIYAMA Y,  ISHIDA N,  MURAKAMI S,  SAITOH T;  US5252409-A   OSAKA GAS CO LTD (OSAG)   AKAGI K;  US5269902-A   GAS RES INST INC (GASR-Non-standard)   ELANGOVAN S,  KHANDKAR A C;  US5298341-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5340664-A   CERAMATEC INC (CERA-Non-standard)   HARTVIGSEN J J;  US5350642-A   OSAKA GAS CO LTD (OSAG)   AKAGI K;  EP742960-A1 -- EP585049-A1   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  JP61019073-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M;  JP62283570-A   MITSUBISHI HEAVY IND CO LTD (MITO)   TANABE S,  MOTAI T,  SASAGAWA E;  US3718506-A   ;  US4721556-A   HSU M S (HSUM-Individual)   HSU M S;  US5079105-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5269902-A   GAS RES INST INC (GASR-Non-standard)   ELANGOVAN S,  KHANDKAR A C;  US5340664-A   CERAMATEC INC (CERA-Non-standard)   HARTVIGSEN J J;  US5366819-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  HARTVIGSEN J J;  WO1994022179-A1   ;  JP3930045-B2 -- JP01281681-A   ;  JP02220363-A   ;  JP05041239-A   ;  JP05266910-A   ;  JP62283570-A   MITSUBISHI HEAVY IND CO LTD (MITO)   TANABE S,  MOTAI T,  SASAGAWA E;  JP85046668-U