;  WO8808752-A1 -- EP167984-A1   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  FR2218946-A1   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2516542-A1   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2583309-A1   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  US3711392-A   METZGER JB (MET-Individual);  US4329428-A   UNITED GAS PIPE LIN (UNGA-Non-standard)   GHOSH S,  KLASS D L;  FR2614803-A1 -- EP167984-A1   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  EP167984-B   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  FR2218946-A   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2218946-A1   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2516542-A   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2516542-A1   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2583309-A   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  FR2583309-A1   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  US3711392-A   METZGER JB (MET-Individual);  US4329428-A   UNITED GAS PIPE LIN (UNGA-Non-standard)   GHOSH S,  KLASS D L;  EP291425-A -- EP167984-A   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  FR2218946-A   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2516542-A   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2583309-A   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  US3711392-A   METZGER JB (MET-Individual);  US4329428-A   UNITED GAS PIPE LIN (UNGA-Non-standard)   GHOSH S,  KLASS D L;  WO8808752-A -- EP167984-A   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  FR2218946-A   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2516542-A   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2583309-A   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  US3711392-A   METZGER JB (MET-Individual);  US4329428-A   UNITED GAS PIPE LIN (UNGA-Non-standard)   GHOSH S,  KLASS D L;  FR2614803-A -- EP167984-A   CIE GEN ELECTRICITE SA (COGE)   PETIBON A;  FR2218946-A   R UTI R SRL (RUTR);  CERRONI M (CERR-Individual);  FR2516542-A   INST FRANCAIS DU PETROLE (INSF);  ELF FRANCE (ERAP)   LONCHAMP D,  BERNAT J P,  NAVARRE F P,  BOSSAND B;  FR2583309-A   JULLIEN A (JULL-Individual)   JULLIEN A,  CHEVALIER C,  JULLIEN Y;  US3711392-A   METZGER JB (MET-Individual);  US4329428-A   UNITED GAS PIPE LIN (UNGA-Non-standard)   GHOSH S,  KLASS D L