WO200188447-A1 -- US3724226-A   GULF RES & DEV CO (GULF);  US4065278-A   AIR PROD & CHEM INC (AIRP)   NEWTON C L,  GAUMER L S;  US4430103-A   PHILLIPS PETROLEUM CO (PHIP);  US4690702-A   CIE FR ETUD CONS TE (FRCO-Non-standard);  TECHNIP CIE FR ETUD (TCHP)   PARADOWSKI H,  CASTEL J,  PARFAIT H;  US5291736-A   TECHNIP CIE FR ETUD & CONSTR (TCHP)   PARADOWSKI H;  US5615561-A   WILLIAMS FIELD SERVICES ROCKY MOUNTAIN (WILL-Non-standard)   HOUSHMAND M,  KRUGER K A,  ALVES G W,  OSTASZEWSKI R,  BELHATECHE N;  US5669234-A   PHILLIPS PETROLEUM CO (PHIP)   LOW W R,  ANDRESS D L,  HOUSER C G,  YAO J;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  US5950453-A   EXXON PRODN RES CO (ESSO)   BOWEN R R,  COLE E T,  KIMBLE E L,  THOMAS E R,  KELLEY L R;  US6116050-A   IPSI LLC (IPSI-Non-standard)   YAO J,  CHEN J J,  LEE R,  ELLIOT D G;  US6401486-B1 -- US3724226-A   GULF RES & DEV CO (GULF);  US4033735-A   PRITCHARD J F & CO (PRIT-Non-standard)   SWENSON L K;  US4065278-A   AIR PROD & CHEM INC (AIRP)   NEWTON C L,  GAUMER L S;  US4140504-A   ORTLOFF CORP (ORTL-Non-standard)   CAMPBELL R E,  WILKINSON J D;  US4251249-A   RANDALL CORP (RAND-Non-standard)   GULSBY J G;  US4278457-A   ORTLOFF CORP (ORTL-Non-standard)   CAMPBELL R E,  WILKINSON J D;  US4404008-A   AIR PROD & CHEM INC (AIRP)   RENTLER R J,  SPROUL D D;  US4430103-A   PHILLIPS PETROLEUM CO (PHIP);  US4445916-A   AIR PROD & CHEM INC (AIRP);  NEWTON C L (NEWT-Individual)   NEWTON C L;  US4445917-A   AIR PROD & CHEM INC (AIRP)   CHIU C H;  US4657571-A   SNAMPROGETTI SPA (SNAM);  US4687499-A   MCDERMOTT INT INC (MCDE-Non-standard)   AGHILI H K;  US4690702-A   CIE FR ETUD CONS TE (FRCO-Non-standard);  TECHNIP CIE FR ETUD (TCHP)   PARADOWSKI H,  CASTEL J,  PARFAIT H;  US4851020-A   MCDERMOTT INT INC (MCDE-Non-standard)   MONTGOMERY G J;  US4970867-A   AIR PROD & CHEM INC (AIRP)   HERRON D M,  CHATTERJEE N;  US5291736-A   TECHNIP CIE FR ETUD & CONSTR (TCHP)   PARADOWSKI H;  US5325673-A   KELLOGG CO M W (PULL)   PETTERSON W C,  DURR C A,  COYLE D A;  US5537827-A   YATES D E (YATE-Individual);  LOW W R (LOWW-Individual);  HOUSER C G (HOUS-Individual);  ANDRESS D L (ANDR-Individual)   ANDRESS D L,  HOUSER C G,  LOW W R,  YATES D E;  US5568737-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5615561-A   WILLIAMS FIELD SERVICES ROCKY MOUNTAIN (WILL-Non-standard)   HOUSHMAND M,  KRUGER K A,  ALVES G W,  OSTASZEWSKI R,  BELHATECHE N;  US5669234-A   PHILLIPS PETROLEUM CO (PHIP)   LOW W R,  ANDRESS D L,  HOUSER C G,  YAO J;  US5737940-A   PHILLIPS PETROLEUM CO (PHIP)   YAO J,  HOUSER C G,  LOW W R,  DEVERS B J;  US5755114-A   ABB RANDALL CORP (ALLM)   FOGLIETTA J H;  US5771712-A   ELCOR CORP (ELCO-Non-standard)   CAMPBELL R E,  WILKINSON J D,  HUDSON H M;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  US5950453-A   EXXON PRODN RES CO (ESSO)   BOWEN R R,  COLE E T,  KIMBLE E L,  THOMAS E R,  KELLEY L R;  US5992175-A   IPSI LLC (IPSI-Non-standard)   YAO J,  ELLIOT D G,  CHEN J J;  US6016665-A   EXXON PRODN RES CO (ESSO)   COLE E T,  BOWEN R R;  US6023942-A   EXXON PRODN RES CO (ESSO)   THOMAS E R,  BOWEN R R,  COLE E T,  KIMBLE E L;  US6116050-A   IPSI LLC (IPSI-Non-standard)   YAO J,  CHEN J J,  LEE R,  ELLIOT D G;  WO1995027179-A1   ;  AU2001261633-B2 -- US4690702-A   CIE FR ETUD CONS TE (FRCO-Non-standard);  TECHNIP CIE FR ETUD (TCHP)   PARADOWSKI H,  CASTEL J,  PARFAIT H;  US5291736-A   TECHNIP CIE FR ETUD & CONSTR (TCHP)   PARADOWSKI H;  US5799507-A   ELCOR CORP (ELCO-Non-standard)   WILKINSON J D,  HUDSON H M,  CUELLAR K T;  MY135088-A -- US4445916-A   AIR PROD & CHEM INC (AIRP);  NEWTON C L (NEWT-Individual)   NEWTON C L;  US4445917-A   AIR PROD & CHEM INC (AIRP)   CHIU C H;  US4657571-A   SNAMPROGETTI SPA (SNAM);  US4687499-A   MCDERMOTT INT INC (MCDE-Non-standard)   AGHILI H K