US2005000800-A1 -- US3768234-A   UNIVERSAL OIL PROD CO (UNVO);  US3862624-A   P L UNDERWOOD (UNDE-Individual)   UNDERWOOD P L;  US4355652-A   PERKINS L B (PERK-Individual)   PERKINS L B;  US4950371-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US5037518-A   PACKARD INST CO INC (PACB)   YOUNG S A,  ZWEIFEL R A,  CALDWELL D L;  US5389264-A   ZIMPRO ENVIRONMENTAL INC (ZIMP-Non-standard)   LEHMANN R W,  CLARK M A;  US5402645-A   JOHNSON MFG INC O B (JOHN-Non-standard)   NICOL D V,  JOHNSON L L;  US5632802-A   GRGICH G R (GRGI-Individual);  CRANFORD M S (CRAN-Individual);  PATTON J C (PATT-Individual)   CRANFORD M S,  GRGICH G R,  PATTON J C;  US5667647-A   SUGA TEST INSTR CO LTD (SUGA-Non-standard)   SUGA N,  SUGA F,  WATANABE H,  TANIGUCHI K;  US5935427-A   PETROBRAS PETROLEO BRASIL SA (PETB)   WITTER A,  SCHILLING A J L,  DA SILVA C C,  FRANCISCO E C,  MARINHO A R M;  US6056806-A   ASEA BROWN BOVERI AG (ALLM)   YOUSSEF M;  US6056873-A   HARTLEY Q J S (HART-Individual);  SMIT N J G (SMIT-Individual)   HARTLEY Q J S,  SMIT N J G;  US6146518-A   STUART ENERGY SYSTEMS INC (STUA-Non-standard)   FAIRLIE M J,  DONG C,  STEWART W J;  US20040099614-A1   ;  US20050045041-A1   ;  US20050109703-A1   ;  US6179986-B1   GINER ELECTROCHEMICAL SYSTEMS LLC (GINE-Non-standard)   SWETTE L L,  LACONTI A B;  US6309521-B1   LYNNTECH INC (LYNN-Non-standard)   ANDREWS C C,  MURPHY O J,  ROGERS T D;  US6383361-B1   PROTON ENERGY SYSTEMS (PROT-Non-standard)   MOULTHROP L C,  MOLTER T M,  FRIEDLAND R J;  US6413297-B1   NORTHLAND ENERGY CORP (NORT-Non-standard)   MORGAN T A,  SPEED D,  HOYER C W J;  US6461487-B1   LYNNTECH INC (LYNN-Non-standard)   ANDREWS C C,  MURPHY O J,  ROGERS T D;  US6712944-B2   PROTON ENERGY SYSTEMS (PROT-Non-standard)   BYRON R H,  BROWN M J;  US6814841-B2   SPERANZA A J (SPER-Individual);  STANEK A E (STAN-Individual);  MORSON A A (MORS-Individual);  BALTRUCKI J D (BALT-Individual)   SPERANZA A J,  STANEK A E,  MORSON A A,  BALTRUCKI J D;  US7314509-B2 -- US3768234-A   UNIVERSAL OIL PROD CO (UNVO);  US3862624-A   P L UNDERWOOD (UNDE-Individual)   UNDERWOOD P L;  US4355652-A   PERKINS L B (PERK-Individual)   PERKINS L B;  US4950371-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US5037518-A   PACKARD INST CO INC (PACB)   YOUNG S A,  ZWEIFEL R A,  CALDWELL D L;  US5389264-A   ZIMPRO ENVIRONMENTAL INC (ZIMP-Non-standard)   LEHMANN R W,  CLARK M A;  US5402645-A   JOHNSON MFG INC O B (JOHN-Non-standard)   NICOL D V,  JOHNSON L L;  US5632802-A   GRGICH G R (GRGI-Individual);  CRANFORD M S (CRAN-Individual);  PATTON J C (PATT-Individual)   CRANFORD M S,  GRGICH G R,  PATTON J C;  US5667647-A   SUGA TEST INSTR CO LTD (SUGA-Non-standard)   SUGA N,  SUGA F,  WATANABE H,  TANIGUCHI K;  US5935427-A   PETROBRAS PETROLEO BRASIL SA (PETB)   WITTER A,  SCHILLING A J L,  DA SILVA C C,  FRANCISCO E C,  MARINHO A R M;  US6056806-A   ASEA BROWN BOVERI AG (ALLM)   YOUSSEF M;  US6056873-A   HARTLEY Q J S (HART-Individual);  SMIT N J G (SMIT-Individual)   HARTLEY Q J S,  SMIT N J G;  US6146518-A   STUART ENERGY SYSTEMS INC (STUA-Non-standard)   FAIRLIE M J,  DONG C,  STEWART W J;  US20040099614-A1   ;  US20050045041-A1   ;  US20050109703-A1   ;  US6179986-B1   GINER ELECTROCHEMICAL SYSTEMS LLC (GINE-Non-standard)   SWETTE L L,  LACONTI A B;  US6309521-B1   LYNNTECH INC (LYNN-Non-standard)   ANDREWS C C,  MURPHY O J,  ROGERS T D;  US6383361-B1   PROTON ENERGY SYSTEMS (PROT-Non-standard)   MOULTHROP L C,  MOLTER T M,  FRIEDLAND R J;  US6413297-B1   NORTHLAND ENERGY CORP (NORT-Non-standard)   MORGAN T A,  SPEED D,  HOYER C W J;  US6461487-B1   LYNNTECH INC (LYNN-Non-standard)   ANDREWS C C,  MURPHY O J,  ROGERS T D;  US6712944-B2   PROTON ENERGY SYSTEMS (PROT-Non-standard)   BYRON R H,  BROWN M J;  US6814841-B2   SPERANZA A J (SPER-Individual);  STANEK A E (STAN-Individual);  MORSON A A (MORS-Individual);  BALTRUCKI J D (BALT-Individual)   SPERANZA A J,  STANEK A E,  MORSON A A,  BALTRUCKI J D;  WO2001006038-A1   ;  WO1998042617-A2