US6684948-B1 -- US2472445-A   ;  US2593477-A   ;  US2630306-A   ;  US2630307-A   ;  US2634961-A   ;  US2732195-A   ;  US2780449-A   ;  US2780450-A   ;  US2801089-A   ;  US2841375-A   ;  US2874777-A   ;  US2906337-A   ;  US2914309-A   ;  US2923535-A   ;  US3017168-A   ;  US3024013-A   ;  US3113623-A   ;  US3241611-A   ;  US3547193-A   ELECTROTHERMIC CO (ELEC-Non-standard);  US3954140-A   HENDRICK R P (HEND-Individual)   HENDRICK R P;  US4007786-A   TEXACO INC (TEXC)   SCHLINGER W G;  US4144935-A   IIT RES INST (IITR)   BRIDGES J,  TAFLOVE A;  US4148359-A   SHELL OIL CO (SHEL)   LAUMBACH D D,  KOCI P F;  US4199025-A   ELECTROFLOOD CO (ELEC-Non-standard);  CARPENTER N L (CARP-Individual)   CARPENTER N L;  US4375302-A   KALMAR N (KALM-Individual)   KALMAR N;  US4401162-A   SYNFUEL (SYNF-Non-standard)   OSBORNE J S;  US4444258-A   KALMAR N (KALM-Individual)   KALMAR N;  US4570715-A   SHELL OIL CO (SHEL)   VANMEURS P,  VANEGMOND C F,  VAN EGMOND C F;  US4640352-A   SHELL INT RES MIJ BV (SHEL)   VANMEURS P,  WAXMAN M H,  VINEGAR H J;  US4694907-A   CARBOTEK INC (CARB-Non-standard)   STAHL C R,  GIBSON M A,  KNUDSEN C W;  US4817711-A   JEAMBEY C G (JEAM-Individual)   JEAMBEY C G;  US4886118-A   SHELL OIL CO (SHEL)   VANMEURS P,  DEROUFFIGN E P,  VINEGAR H J,  LUCID M F,  VAN MEURS P;  US5011329-A   HRUBETZ EXPLORATION (HRUB-Non-standard);  NELSON J M (NELS-Individual)   NELSON J M,  RAU G R;  US5082055-A   INDUGAS INC (INDU-Non-standard)   HEMSATH K H;  US5193934-A   SHELL OIL CO (SHEL)   JOHNSON P C,  WEINGAERTNER D A;  US5236039-A   GENERAL ELECTRIC CO (GENE)   EDELSTEIN W A,  VINEGAR H J,  MUELLER O M,  HSU C F;  US5255742-A   SHELL OIL CO (SHEL)   MIKUS T;  US5392854-A   SHELL OIL CO (SHEL)   GLANDT C A,  BECKEMEIER M A,  MIKUS T,  VINEGAR H J,  DE ROUFFIGNAC E P;  US6019172-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   KARANIKAS J M,  MIKUS T,  VINEGAR H J,  WELLINGTON S L;  US6056057-A   SHELL OIL CO (SHEL)   MIKUS T,  KARANIKAS J M,  WELLINGTON S L,  VINEGAR H J;  US6079499-A   SHELL OIL CO (SHEL)   WELLINGTON S L,  KARANIKAS J M,  VINEGAR H J,  MIKUS T;  US6165632-A   SIEMENS AG (SIEI)   BLUM L,  FLECK R,  JANSING T;  US6183896-B1   AGENCY OF IND SCI & TECHNOLOGY (AGEN)   HORITA T,  SAKAI N,  KAWADA T,  YOKOAWA H,  DOKIYA M;  US6187465-B1   GALLOWAY T R (GALL-Individual)   GALLOWAY T R;  US35696-E   SHELL OIL CO (SHEL)   MIKUS T