US2004185318-A1 -- US4476196-A   US DEPT ENERGY (USAT);  US GOVERNMENT (USGO)   POEPPEL R B,  DUSEK J T;  US4997727-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5185219-A   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MISAWA H;  US5308469-A   HOECHST AG (FARH)   ALDINGER F,  BESTGEN H,  KOESTLER C,  ROOSEN A;  US5356728-A   AMOCO CORP (STAD)   KOBYLINSKI T P,  UDOVICH C A,  POEPPEL R B,  BALACHANDRAN U,  KLEEFISCH M S;  US5368667-A   ALLIED-SIGNAL INC (ALLC)   MINH N Q,  HORNE C R,  GUIHEEN J V;  US5532071-A   SIEMENS AG (SIEI)   PAL U,  LANDES H,  GREINER H;  US5786105-A   NIPPON TELEGRAPH & TELEPHONE CORP (NITE)   MATSUSHIMA T,  IKEDA D,  KANAGAWA H;  US6004644-A   NGK INSULATORS LTD (NIGA)   TAKEUCHI Y,  MASUMORI H,  TAKEUCHI K,  NANATAKI T;  US6361893-B1   COBB & CO MICHAEL A (COBB-Non-standard);  US DEPT ENERGY (USAT)   GEORGE T J,  MEACHAM G B K;  US6423436-B1   COBB & CO MICHAEL A (COBB-Non-standard);  US DEPT ENERGY GC 62 (USAT)   GEORGE T J,  MEACHAM G B K;  US6849353-B2   GENERAL ELECTRIC CO (GENE)   VORA N P,  BUNKER R S,  HALE L R,  GOODMAN G C,  DEY D;  US7014934-B2 -- US4476196-A   US DEPT ENERGY (USAT);  US GOVERNMENT (USGO)   POEPPEL R B,  DUSEK J T;  US4997727-A   ASEA BROWN BOVERI A (ALLM)   BOSSEL U;  US5185219-A   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MISAWA H;  US5308469-A   HOECHST AG (FARH)   ALDINGER F,  BESTGEN H,  KOESTLER C,  ROOSEN A;  US5356728-A   AMOCO CORP (STAD)   KOBYLINSKI T P,  UDOVICH C A,  POEPPEL R B,  BALACHANDRAN U,  KLEEFISCH M S;  US5368667-A   ALLIED-SIGNAL INC (ALLC)   MINH N Q,  HORNE C R,  GUIHEEN J V;  US5532071-A   SIEMENS AG (SIEI)   PAL U,  LANDES H,  GREINER H;  US5786105-A   NIPPON TELEGRAPH & TELEPHONE CORP (NITE)   MATSUSHIMA T,  IKEDA D,  KANAGAWA H;  US6004644-A   NGK INSULATORS LTD (NIGA)   TAKEUCHI Y,  MASUMORI H,  TAKEUCHI K,  NANATAKI T;  US6361893-B1   COBB & CO MICHAEL A (COBB-Non-standard);  US DEPT ENERGY (USAT)   GEORGE T J,  MEACHAM G B K;  US6423436-B1   COBB & CO MICHAEL A (COBB-Non-standard);  US DEPT ENERGY GC 62 (USAT)   GEORGE T J,  MEACHAM G B K;  US6849353-B2   GENERAL ELECTRIC CO (GENE)   VORA N P,  BUNKER R S,  HALE L R,  GOODMAN G C,  DEY D;  DE102004008231-B4 -- DE19517425-C1   MTU FRIEDRICHSHAFEN GMBH (MOTU)   GROEBER J,  RUFF T;  EP834949-A2   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  ITO S,  OKUMURA K;  EP285727-B   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  EP442743-B1   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MISAWA H;  EP656593-B1   ;  US20020146523-A1   ;  US6416897-B1   SIEMENS WESTINGHOUSE POWER CORP (SIEI)   TOMLINS G W,  JASZCAR M P;  DE102004008231-B9 -- DE19517425-C1   MTU FRIEDRICHSHAFEN GMBH (MOTU)   GROEBER J,  RUFF T;  EP834949-A2   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  ITO S,  OKUMURA K;  EP285727-B   WESTINGHOUSE ELECTRIC CORP (WESE)   REICHNER P;  EP442743-B1   NGK INSULATORS LTD (NIGA)   ISHIHARA T,  MISAWA H;  EP656593-B1   ;  US20020146523-A1   ;  US6416897-B1   SIEMENS WESTINGHOUSE POWER CORP (SIEI)   TOMLINS G W,  JASZCAR M P