US2008135475-A1 -- US3598726-A   ALLIS-CHALMERS MFG CO (ALCM);  US4240210-A   HUANG B K (HUAN-Individual)   HUANG B K;  US4267038-A   THOMPSON W J (THOM-Individual)   THOMPSON W J;  US4289625-A   INST GAS TECHNOLOGY (IGTE)   TARMAN P B,  CHYNOWETH D P;  US4344847-A   GRENET E P (GREN-Individual)   GRENET E P;  US4971690-A   JUSTICE D R (JUST-Individual)   JUSTICE D R;  US5647983-A   LIMCACO C A (LIMC-Individual)   LIMCACO C A;  US5755961-A   LIMCACO C A (LIMC-Individual)   LIMCACO C A;  US6158386-A   AQUATIC ENGINEERS INC (AQUA-Non-standard)   LIMCACO C A;  US20040256297-A1   ;  US20050269259-A1   ;  US6171499-B1   BOUCHALAT Y (BOUC-Individual)   BOUCHALAT Y;  US6410283-B1   ENDESCO CLEAN HARBORS LLC (ENDE-Non-standard)   REHMAT A G,  LEE A L,  MENSINGER M C,  GOYAL A,  BARONE S P;  US6416993-B1   WEXLER H M (WEXL-Individual);  STARTARI J F (STAR-Individual)   WEXLER H M,  STARTARI J F;  US6477841-B1   SOLMECS ISRAEL LTD (SOLM-Non-standard)   YANTOVSKY E;  US6569332-B2   AINSWORTH J L (AINS-Individual);  ATWOOD D (ATWO-Individual);  RIDEOUT T (RIDE-Individual)   AINSWORTH J L,  ATWOOD D,  RIDEOUT T;  US6824682-B2   BRANSON J D (BRAN-Individual)   BRANSON J D;  US7736508-B2 -- US3598726-A   ALLIS-CHALMERS MFG CO (ALCM);  US4240210-A   HUANG B K (HUAN-Individual)   HUANG B K;  US4267038-A   THOMPSON W J (THOM-Individual)   THOMPSON W J;  US4289625-A   INST GAS TECHNOLOGY (IGTE)   TARMAN P B,  CHYNOWETH D P;  US4344847-A   GRENET E P (GREN-Individual)   GRENET E P;  US4971690-A   JUSTICE D R (JUST-Individual)   JUSTICE D R;  US5647983-A   LIMCACO C A (LIMC-Individual)   LIMCACO C A;  US5755961-A   LIMCACO C A (LIMC-Individual)   LIMCACO C A;  US6158386-A   AQUATIC ENGINEERS INC (AQUA-Non-standard)   LIMCACO C A;  US20040256297-A1   ;  US20050269259-A1   ;  US6171499-B1   BOUCHALAT Y (BOUC-Individual)   BOUCHALAT Y;  US6410283-B1   ENDESCO CLEAN HARBORS LLC (ENDE-Non-standard)   REHMAT A G,  LEE A L,  MENSINGER M C,  GOYAL A,  BARONE S P;  US6416993-B1   WEXLER H M (WEXL-Individual);  STARTARI J F (STAR-Individual)   WEXLER H M,  STARTARI J F;  US6477841-B1   SOLMECS ISRAEL LTD (SOLM-Non-standard)   YANTOVSKY E;  US6569332-B2   AINSWORTH J L (AINS-Individual);  ATWOOD D (ATWO-Individual);  RIDEOUT T (RIDE-Individual)   AINSWORTH J L,  ATWOOD D,  RIDEOUT T;  US6824682-B2   BRANSON J D (BRAN-Individual)   BRANSON J D;  WO1995024548-A1