WO200026337-A1 -- FR2701257-A1   ;  US4414335-A   ;  US4956002-A   ;  US5023178-A   ;  US5906436-A   US FILTER CORP (USFI)   COLE A,  FRONHOFER C,  GILLIS D,  HAGEN D,  MORRISON M,  SESERA M;  US5925561-A   NEW HOLLAND NORTH AMERICA INC (FIAT)   SEYMOUR S A,  POSSELIUS J H;  EP445102-A   ;  US5597732-A   BRYAN-BROWN M (BRYA-Individual)   BRYAN-BROWN M;  EP1127102-A1 -- EP131319-A   ATEL CONSTR ELEC CHARLEROI SA (ACEC);  OWS NV (OWSN-Non-standard)   DEBAERE L;  EP445102-A   ;  EP506139-A1   INOUE S (INOU-Individual)   INOUE S;  EP445102-B1   ;  EP506139-B1   INOUE S (INOU-Individual)   INOUE S;  EP131319-B2   ATEL CONSTR ELEC CHARLEROI SA (ACEC);  OWS NV (OWSN-Non-standard)   DEBAERE L;  FR2701257-A1   ;  GB435380-A   ;  US5275733-A   N-VIRO ENERGY SYSTEMS LTD (NVIR-Non-standard)   BURNHAM J C;  US5597732-A   BRYAN-BROWN M (BRYA-Individual)   BRYAN-BROWN M;  US6281001-B1 -- CH679644-A   ;  US1980244-A   ;  US2734803-A   ;  US3357812-A   JOHN R SNELL (SNEJ);  US3916987-A   ;  US4046689-A   ARGYLL M H (ARGY-Individual)   ARGYLL M H;  US4139640-A   ;  US4161426-A   ;  US4255389-A   KUTSCH-CONSULT GMBH (KUTS-Non-standard);  US4272489-A   RUTHNER INDAN-LAGEN (RUTH-Non-standard)   LUTZ W,  MOOSS H;  US4274838-A   ENERGY HARVEST INC (ENER-Non-standard)   DALE E M,  MALSTROM J A;  US4326874-A   ;  US4339265-A   ;  US4374804-A   EASTER J M (EAST-Individual)   EASTER J M;  US4384877-A   NEMETZ H (NEME-Individual);  US4411682-A   ;  US4414335-A   ;  US4426020-A   ;  US4436817-A   NEMETZ H (NEME-Individual);  US4483704-A   EASTER J M (EAST-Individual)   EASTER J M;  US4659472-A   PURAC AB (PURA-Non-standard)   NORDLUND T H,  LJUNGKVIST L E;  US4662900-A   ;  US4798802-A   ;  US4869877-A   INT PROCESS SYSTEMS (ITPR-Non-standard)   SELLEW P C,  KUTER G;  US4946108-A   ;  US4956002-A   ;  US4994245-A   WASHINGTON SUBURBAN (WASH-Non-standard)   MURRAY C M,  THOMPSON J L,  HENTZ L H;  US5023178-A   ;  US5028197-A   BJK INDUSTRIES INC (BJKI-Non-standard);  US5049486-A   ;  US5071622-A   DU PONT DE NEMOURS & CO E I (DUPO)   DUNSON J B;  US5080786-A   ;  US5102803-A   WEAVER L E (WEAV-Individual)   WEAVER L E;  US5137687-A   DU PONT DE NEMOURS & CO E I (DUPO)   DUNSON J B;  US5160707-A   WASHINGTON SUBURBAN SANITARY COMMISSION (WASH-Non-standard)   MURRAY C M,  THOMPSON J L,  HENTZ L H;  US5175106-A   LAURENSON J G (LAUR-Individual)   LAURENSON J G;  US5190572-A   ;  US5206173-A   BEDMINSTER BIOCONVERSION CORP (BEDM-Non-standard)   FINN L J;  US5248612-A   ;  US5275733-A   N-VIRO ENERGY SYSTEMS LTD (NVIR-Non-standard)   BURNHAM J C;  US5312754-A   BRYAN-BROWN M (BRYA-Individual)   BRYAN-BROWN M;  US5354349-A   INOUE S (INOU-Individual)   INOUE S;  US5387036-A   INT PROCESS SYSTEMS INC (ITPR-Non-standard)   HAGEN D J,  OLSEN C,  BLAIS N J,  NELSON C E;  US5395417-A   ;  US5407809-A   BEDMINSTER BIOCONVERSION CORP (BEDM-Non-standard)   FINN L J;  US5409831-A   WRIGHT J (WRIG-Individual)   WRIGHT J;  US5417736-A   ;  US5417861-A   N-VIRO INT CORP (NVIR-Non-standard)   BURNHAM J C;  US5534437-A   ARRAU A H (ARRA-Individual)   ARRAU A H;  US5551969-A   ;  US5567220-A   THORPE J W (THOR-Individual);  THORPE D E (THOR-Individual)   THORPE J W,  THORPE D E;  US5584904-A   ;  US6117671-A