WO9819773-A1 -- US5139754-A   ;  EP946254-A1 -- EP287224-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US3900554-A   ESSO RES & ENG CO (ESSO);  US4208386-A   ELEC POWER RES INST (ELPP)   ARAND J K,  MUZIO L J,  SOTTER J G;  US4780289-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  WO1993003998-A1   ;  US5985222-A -- JP02258018-A   ;  JP02268811-A   ;  JP53132466-A   ;  JP54005863-A   ;  JP63084619-A   ;  US3867507-A   ESSO RES & ENG CO (ESSO);  US3873671-A   ZINK CO JOHN (ZINJ)   REED R D,  MCGILL E C,  MCCONNELL C G;  US3900554-A   ESSO RES & ENG CO (ESSO);  US4115515-A   EXXON RES & ENG CO (ESSO)   TENNER A R,  TURNER D W;  US4208386-A   ELEC POWER RES INST (ELPP)   ARAND J K,  MUZIO L J,  SOTTER J G;  US4302431-A   ;  US4602673-A   STEINMUELLER GMBH L & C (STEM)   MICHELFELD S,  MICHALAK S;  US4678643-A   KRAFTANLAGEN AG (KRAA);  SRM SVENSKA ROTOR (SRMH)   FETZER W;  US4719092-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4719094-A   ;  US4731231-A   ;  US4751065-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4770863-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C;  US4777024-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J,  SULLIVAN J C,  SHULOF G;  US4780289-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4800068-A   ;  US4803059-A   FUEL TECH INC (FUEL-Non-standard)   SULLIVAN J C,  EPPERLY W R;  US4830839-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4844878-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4851201-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4861567-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4863704-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4863705-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4867953-A   ;  US4873066-A   ;  US4877590-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4877591-A   ;  US4886650-A   ;  US4888165-A   ;  US4902488-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4908193-A   ;  US4927612-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4978514-A   FUEL TECH INC (FUEL-Non-standard)   HOFMANN J E,  SUN W H,  LUFTGLASS B K;  US4985218-A   FUEL TECH INC (FUEL-Non-standard)   DEVITA V A;  US4997631-A   ;  US5017347-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US5047219-A   ;  US5048432-A   ;  US5057293-A   ;  US5078064-A   CONSOL NATURAL GAS (CSNA-Non-standard)   BREEN B P,  WINBERG S E,  GABRIELSON J E,  MCMICHAEL J C;  US5139754-A   ;  US5139755-A   ENERGY & ENVIRONMENTAL RES CORP (ENER-Non-standard)   SEEKER W R,  CHEN S L,  KRAMLICH J C;  US5286467-A   ;  US5510092-A   APPLIED UTILITY SYSTEMS INC (UTIL-Non-standard)   MANSOUR M N,  SUDDUTH B C;  US5899269-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   KARANIKAS J M,  MIKUS T,  VINEGAR H J,  WELLINGTON S L;  WO1989008606-A   ;  WO1993003998-A1   ;  US6066303-A -- EP578863-A1   TAKUMA KK (TAKU);  MASUDA RES INC (MASU-Non-standard);  JAPAN MARINE MACHINERY DEV ASSOC (NIMA-Non-standard)   MASUDA S,  SAKAKIBARA K,  KITOH S,  SAIKI S;  JP02258018-A   ;  JP02268811-A   ;  JP53132466-A   ;  JP54005863-A   ;  US3867507-A   ESSO RES & ENG CO (ESSO);  US3873671-A   ZINK CO JOHN (ZINJ)   REED R D,  MCGILL E C,  MCCONNELL C G;  US3900554-A   ESSO RES & ENG CO (ESSO);  US4115515-A   EXXON RES & ENG CO (ESSO)   TENNER A R,  TURNER D W;  US4208386-A   ELEC POWER RES INST (ELPP)   ARAND J K,  MUZIO L J,  SOTTER J G;  US4302431-A   ;  US4602673-A   STEINMUELLER GMBH L & C (STEM)   MICHELFELD S,  MICHALAK S;  US4678643-A   KRAFTANLAGEN AG (KRAA);  SRM SVENSKA ROTOR (SRMH)   FETZER W;  US4719092-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4719094-A   ;  US4731231-A   ;  US4751065-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4770863-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C;  US4777024-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J,  SULLIVAN J C,  SHULOF G;  US4780289-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4800068-A   ;  US4803059-A   FUEL TECH INC (FUEL-Non-standard)   SULLIVAN J C,  EPPERLY W R;  US4830839-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4844878-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4851201-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4861567-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4863704-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4863705-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4867953-A   ;  US4873066-A   ;  US4877590-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4877591-A   ;  US4886650-A   ;  US4888165-A   ;  US4902488-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4908193-A   ;  US4927612-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4978514-A   FUEL TECH INC (FUEL-Non-standard)   HOFMANN J E,  SUN W H,  LUFTGLASS B K;  US4985218-A   FUEL TECH INC (FUEL-Non-standard)   DEVITA V A;  US4997631-A   ;  US5017347-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US5047219-A   ;  US5048432-A   ;  US5057293-A   ;  US5078064-A   CONSOL NATURAL GAS (CSNA-Non-standard)   BREEN B P,  WINBERG S E,  GABRIELSON J E,  MCMICHAEL J C;  US5139754-A   ;  US5139755-A   ENERGY & ENVIRONMENTAL RES CORP (ENER-Non-standard)   SEEKER W R,  CHEN S L,  KRAMLICH J C;  US5147516-A   ;  US5240575-A   ;  US5286467-A   ;  US5440876-A   UK ATOMIC ENERGY AUTHORITY (UKAT)   RAYBONE D,  BAYLISS K H,  HALL S I;  US5458748-A   THERMO POWER CORP (THER-Non-standard)   BECKER F E,  MCLARNON C R,  BREAULT R W;  US5510092-A   APPLIED UTILITY SYSTEMS INC (UTIL-Non-standard)   MANSOUR M N,  SUDDUTH B C;  US5609736-A   RES TRIANGLE INST (RTRI)   YAMAMOTO T;  US5746984-A   LOW EMISSIONS TECHNOLOGIES RES & DEV PAR (LOWE-Non-standard)   HOARD J W;  US5899269-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   KARANIKAS J M,  MIKUS T,  VINEGAR H J,  WELLINGTON S L;  US5985222-A   NOXTECH INC (NOXT-Non-standard)   SUDDUTH B C,  SLONE R J,  PALEKAR V,  RAMAVAJJALA M;  WO1989008606-A   ;  WO1993003998-A1   ;  US6348178-B1 -- US5985222-A   NOXTECH INC (NOXT-Non-standard)   SUDDUTH B C,  SLONE R J,  PALEKAR V,  RAMAVAJJALA M;  EP578863-A1   TAKUMA KK (TAKU);  MASUDA RES INC (MASU-Non-standard);  JAPAN MARINE MACHINERY DEV ASSOC (NIMA-Non-standard)   MASUDA S,  SAKAKIBARA K,  KITOH S,  SAIKI S;  JP02258018-A   ;  JP02268811-A   ;  JP53132466-A   ;  JP54005863-A   ;  JP63084619-A   ;  US3867507-A   ESSO RES & ENG CO (ESSO);  US3900554-A   ESSO RES & ENG CO (ESSO);  US4115515-A   EXXON RES & ENG CO (ESSO)   TENNER A R,  TURNER D W;  US4208386-A   ELEC POWER RES INST (ELPP)   ARAND J K,  MUZIO L J,  SOTTER J G;  US4302431-A   ;  US4325924-A   ELECTRIC POWER RES INST INC (ELPO)   ARAND J K,  MUZIO L J,  TEIXEIRA D P;  US4405587-A   ;  US4519993-A   MCGILL INC (MCGI-Non-standard)   MCGILL E C,  BELL R D;  US4602673-A   STEINMUELLER GMBH L & C (STEM)   MICHELFELD S,  MICHALAK S;  US4678643-A   KRAFTANLAGEN AG (KRAA);  SRM SVENSKA ROTOR (SRMH)   FETZER W;  US4719092-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4719094-A   ;  US4731231-A   ;  US4751065-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4761270-A   ;  US4770863-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C;  US4777024-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J,  SULLIVAN J C,  SHULOF G;  US4780289-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4800068-A   ;  US4803059-A   FUEL TECH INC (FUEL-Non-standard)   SULLIVAN J C,  EPPERLY W R;  US4830839-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4844878-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4851201-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4861567-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4863704-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4863705-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4867953-A   ;  US4873066-A   ;  US4877590-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4877591-A   ;  US4886650-A   ;  US4888165-A   ;  US4898530-A   STORDY COMB ENG LTD (STOR-Non-standard);  WILLS B (WILL-Individual)   WILLS B,  JOHNS G;  US4902488-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4908193-A   ;  US4927612-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4943421-A   ;  US4978514-A   FUEL TECH INC (FUEL-Non-standard)   HOFMANN J E,  SUN W H,  LUFTGLASS B K;  US4985218-A   FUEL TECH INC (FUEL-Non-standard)   DEVITA V A;  US4997631-A   ;  US5017347-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US5047219-A   ;  US5048432-A   ;  US5057293-A   ;  US5139755-A   ENERGY & ENVIRONMENTAL RES CORP (ENER-Non-standard)   SEEKER W R,  CHEN S L,  KRAMLICH J C;  US5141726-A   CONSOL NATURAL GAS SERVICE CO (CSNA-Non-standard)   BREEN B P,  GABRIELSON J E;  US5147516-A   ;  US5211925-A   ;  US5233934-A   WAHLCO ENVIRONMENTAL SYSTEMS INC (WAHL-Non-standard)   KRIGMONT H V,  KOZACKA W R,  SPOKOYNY F E;  US5240575-A   ;  US5240689-A   NOELL INC (NOEL-Non-standard)   JONES D G;  US5286467-A   ;  US5288473-A   STANDARD OIL CO OHIO (STAH)   MIKO S J,  SEELY M J,  REILING V G,  BOTT P E,  BIGLER K L,  SOCKELL E J,  FRIEDRICH M S,  KECKLER K P,  KOJANCIC F J,  TROTT L R,  SHUKI A R,  SHAW W G,  SURESH D D;  US5419121-A   ENGELHARD CORP (ENGH)   SUNG S,  STEGER J J,  DETTLING J C,  BURK P L;  US5440876-A   UK ATOMIC ENERGY AUTHORITY (UKAT)   RAYBONE D,  BAYLISS K H,  HALL S I;  US5443805-A   MASSACHUSETTS INST TECHNOLOGY (MASI);  ENIRICERCHE SPA (ENIE)   BERETTA A,  TOQAN M A,  BEER J M,  MAROTTA A;  US5453257-A   NALCO FUEL TECH (NALC)   DIEP D V,  LIN M L;  US5458748-A   THERMO POWER CORP (THER-Non-standard)   BECKER F E,  MCLARNON C R,  BREAULT R W;  US5478542-A   NALCO FUEL TECH (NALC)   PACHALY R,  VON BERGMAN J,  CHAWLA J M;  US5489420-A   NALCO FUEL TECH (NALC)   DIEP D V;  US5510092-A   APPLIED UTILITY SYSTEMS INC (UTIL-Non-standard)   MANSOUR M N,  SUDDUTH B C;  US5531973-A   BABCOCK & WILCOX CO (BABW)   SARV H;  US5543123-A   NALCO FUEL TECH (NALC)   LIN M L,  DIEP D V,  HOFMANN J E,  VON HARPE T;  US5584265-A   FORD MOTOR CO LTD (FORD)   RAO V D N,  CIKANEK H A;  US5603906-A   HOLMAN BOILER WORKS INC (HOLM-Non-standard)   LANG J M,  SCOTT D W;  US5609736-A   RES TRIANGLE INST (RTRI)   YAMAMOTO T;  US5746984-A   LOW EMISSIONS TECHNOLOGIES RES & DEV PAR (LOWE-Non-standard)   HOARD J W;  US5809775-A   CLEAN DIESEL TECHNOLOGIES INC (CLEA-Non-standard)   VALENTINE J M,  TARABULSKI T J,  PETER-HOBLYN J D;  US5810901-A   PILKINGTON GLASS LTD (PIHL);  PILKINGTON UK LTD (PIHL)   QUIRK R,  SHULVER I N W,  BIRD D A,  MCINTOSH R M;  US5820838-A   FOSTER WHEELER ENERGIA OY (FOSX)   TSUO Y,  JOHNK C,  LEE Y;  US5849059-A   PILKINGTON GLASS LTD (PIHL);  PILKINGTON UK LTD (PIHL)   QUIRK R,  SHULVER I N W,  BIRD D A,  MCINTOSH R M;  US5863413-A   LITEX INC (LITE-Non-standard)   EKCHIAN J A,  CAREN R P;  US5915310-A   CONSOL NATURAL GAS SERVICE CO (CSNA-Non-standard)   GABRIELSON J E,  HURA H S,  BREEN B P;  US5968464-A   CLEAN DIESEL TECHNOLOGIES INC (CLEA-Non-standard)   PETER-HOBLYN J D,  TARABULSKI T J,  HOFMANN J E,  VALENTINE J M,  BALLES E N;  US5985224-A   SIIRTEC NIGI SPA (SIIR-Non-standard)   LAGANA V;  US6048510-A   COAL TECH CORP (COAL-Non-standard)   ZAUDERER B;  WO1989008606-A   ;  WO1993003998-A1   ;  US6682709-B2 -- US6348178-B1   NOXTECH INC (NOXT-Non-standard)   SUDDUTH B C,  SLONE R J,  PALEKAR V,  RAMAVAJJALA M;  EP1949952-A2 -- EP287224-B1   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US3867507-A   ESSO RES & ENG CO (ESSO);  US3900554-A   ESSO RES & ENG CO (ESSO);  US4115515-A   EXXON RES & ENG CO (ESSO)   TENNER A R,  TURNER D W;  US4208386-A   ELEC POWER RES INST (ELPP)   ARAND J K,  MUZIO L J,  SOTTER J G;  US4302431-A   ;  US4602673-A   STEINMUELLER GMBH L & C (STEM)   MICHELFELD S,  MICHALAK S;  US4678643-A   KRAFTANLAGEN AG (KRAA);  SRM SVENSKA ROTOR (SRMH)   FETZER W;  US4719092-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4719094-A   ;  US4731231-A   ;  US4751065-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4770863-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C;  US4777024-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J,  SULLIVAN J C,  SHULOF G;  US4780289-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4800068-A   ;  US4803059-A   FUEL TECH INC (FUEL-Non-standard)   SULLIVAN J C,  EPPERLY W R;  US4830839-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4844878-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4851201-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4861567-A   ENERGY ENVIRON RES (ENER-Non-standard)   HEAP M P,  MCCARTHY J M,  CHEN S L,  PERSHING D W;  US4863704-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4863705-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4867953-A   ;  US4873066-A   ;  US4877590-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  OLEARY J H,  SULLIVAN J C,  SPRAGUE B N;  US4877591-A   ;  US4886650-A   ;  US4888165-A   ;  US4902488-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  PETERHOBLY J D,  SHULOF G F,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US4908193-A   ;  US4927612-A   FUEL TECH INC (FUEL-Non-standard)   BOWERS W E;  US4978514-A   FUEL TECH INC (FUEL-Non-standard)   HOFMANN J E,  SUN W H,  LUFTGLASS B K;  US4985218-A   FUEL TECH INC (FUEL-Non-standard)   DEVITA V A;  US4997631-A   ;  US5017347-A   FUEL TECH INC (FUEL-Non-standard)   EPPERLY W R,  SULLIVAN J C,  SPRAGUE B N,  OLEARY J H;  US5047219-A   ;  US5057293-A   ;  US5139754-A   ;  US5510092-A   APPLIED UTILITY SYSTEMS INC (UTIL-Non-standard)   MANSOUR M N,  SUDDUTH B C;  US5048432-B1   ;  WO1993003998-A1   ;  WO1998019773-A1