WO200189014-A1 -- JP06124719-A   ;  SU1344170-A1   ;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5429885-A   YARDNEY TECH PROD INC (YARN)   TREGENZA J,  STOCKBURGER D;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5922485-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6045935-A   CORNING INC (CORG)   KETCHAM T D,  POWELL W R,  STEWART R L,  ST JULIEN D J;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US2002154572-A1 -- US2951536-A   ;  US3327791-A   ;  US3551890-A   PAN AMERICAN PETROLEUM CO (PANA);  US3554281-A   PAN AM PETROLEUM CORP (PANA);  US4109725-A   HALLIBURTON CO (HALL)   WILLIAMSON J R,  GONZALEZ F A;  US4206810-A   HALLIBURTON CO (HALL)   BLACKMAN B A;  US4234043-A   BAKER INT CORP (BAKO)   ROBERTS W M;  US4324293-A   HALLIBURTON CO (HALL)   HUSHBECK D F;  US4325409-A   BAKER INT CORP (BAKO)   ROBERTS W M;  US4325434-A   BAKER INT CORP (BAKO)   ROBERTS W M;  US4403659-A   SCHLUMBERGER TECHNOLOGY CORP (SLMB)   UPCHURCH J M;  US4617999-A   HALLIBURTON CO (HALL)   BECK H K;  US4736798-A   HALLIBURTON CO (HALL)   ZUNKEL G D;  US4817723-A   HALLIBURTON CO (HALL)   RINGGENBER P D;  US4907655-A   SCHLUMBERGER TECHNOLOGY CORP (SLMB)   HROMAS J C,  MULLER L E;  US4979569-A   SCHLUMBERGER TECHNOLOGY CORP (SLMB)   ANYAN S I,  KENNEMER V D,  LEWIS R G;  US5826660-A   SCHLUMBERGER LTD (SLMB)   RYTLEWSKI G;  US5921713-A   SNAMPROGETTI SPA (SNAM);  KONGSBERG OFFSHORE SA (KONG-Non-standard)   RADICIONI A,  CORBETTA G,  DALOISIO G,  GJESSING H O,  HAUGEN F G;  US6012518-A   CAMCO INT INC (CMCO)   PRINGLE R E,  MORRIS A J,  SERAFIN V P;  US6018501-A   HALLIBURTON ENERGY SERVICES INC (HALL)   SMITH H C,  RINGGENBERG P D;  US20020084913-A1   ;  US6628206-B1   GEOSERVICES SA (SLMB)   SOULIER L;  US6728165-B1   LITTON SYSTEMS INC (LITO)   ROSCIGNO J A,  FREDERICK D,  KNAACK W C,  HODGSON C W;  US6710720-B2   CARSTENSEN K J (CARS-Individual);  SKINNER N G (SKIN-Individual);  POOL C M (POOL-Individual)   CARSTENSEN K J,  SKINNER N G,  POOL C M;  US6747569-B2   DBI CORP (DBID-Non-standard)   HILL L W,  SARLES W F;  US6766854-B2   ANADRILL INT SA (ANAD-Non-standard);  SERVICES PETROL SCHLUMBERGER (SLMB)   CIGLENEC R,  TABANOU J R,  HUTIN R;  GB2377813-A -- JP06124719-A   ;  SU1344170-A1   ;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5429885-A   YARDNEY TECH PROD INC (YARN)   TREGENZA J,  STOCKBURGER D;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5922485-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6045935-A   CORNING INC (CORG)   KETCHAM T D,  POWELL W R,  STEWART R L,  ST JULIEN D J;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US6575248-B2 -- US2643087-A   ;  US3278335-A   ;  US3280923-A   ;  US3342267-A   ;  US4629537-A   HSU M S (HSUM-Individual)   HSU M S;  US4826742-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US6150601-A   HALLIBURTON ENERGY SERVICES INC (HALL)   SCHNATZMEYER M A,  ROBISON C;  US6253847-B1   SCHLUMBERGER LTD (SLMB)   STEPHENSON K E;  US6397946-B1   SMART DRILLING & COMPLETION INC (SMAR-Non-standard)   VAIL W B;  JP06124719-A   ;  SU1344170-A1   ;  US3664442-A   NOBLE DRILLING CO (NOB-Non-standard);  US3664863-A   SCHOLTEN RES NV (SCON);  US4110628-A   TEXACO DEV CORP (TEXC)   PAULL P L,  ARCHER H W;  US4250230-A   IN SITU TECHN INC (INSI-Non-standard)   TERRY R C;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4808037-A   WADE F C (WADE-Individual)   WADE F C,  ANDERSON R A,  BARRON R H;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5133406-A   AMOCO CORP (STAD)   PURI R;  US5202194-A   HALLIBURTON CO (HALL)   VANBERG C F;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5429885-A   YARDNEY TECH PROD INC (YARN)   TREGENZA J,  STOCKBURGER D;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5922485-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6045935-A   CORNING INC (CORG)   KETCHAM T D,  POWELL W R,  STEWART R L,  ST JULIEN D J;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US6082452-A   BAKER HUGHES LTD (BAKO)   SHAW C K,  THOMPSON P K;  WO1998040603-A2   ;  US2003196814-A1 -- US2643087-A   ;  US3278335-A   ;  US3280923-A   ;  US3342267-A   ;  US3664442-A   NOBLE DRILLING CO (NOB-Non-standard);  US3665955-A   CONNER GE (CON-Individual);  US4629537-A   HSU M S (HSUM-Individual)   HSU M S;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4808037-A   WADE F C (WADE-Individual)   WADE F C,  ANDERSON R A,  BARRON R H;  US4826742-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US5202194-A   HALLIBURTON CO (HALL)   VANBERG C F;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5935725-A   BCS TECHNOLOGY (BCST-Non-standard)   DHAR H P,  LEWINSKI K A;  US6082452-A   BAKER HUGHES LTD (BAKO)   SHAW C K,  THOMPSON P K;  US6138758-A   BAKER HUGHES LTD (BAKO)   SHAW C K,  THOMPSON P K;  US6150601-A   HALLIBURTON ENERGY SERVICES INC (HALL)   SCHNATZMEYER M A,  ROBISON C;  US6279658-B1   BAKER HUGHES INC (BAKO)   DONOVAN J F,  JOHNSON M H,  HERBERT R P,  GANN C L;  US6397946-B1   SMART DRILLING & COMPLETION INC (SMAR-Non-standard)   VAIL W B;  US6454011-B1   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   BIJLEVELD A F,  DEN BOER J J,  KIMMINAU S J,  SCHEMPF H,  STEWART J F;  US6684948-B1   SAVAGE M T (SAVA-Individual)   SAVAGE M T;  US6675888-B2   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   BIJLEVELD A F,  DEN BOER J J,  KIMMINAU S J,  SCHEMPF H,  STEWART J F;  US6686079-B2   SCHLUMBERGER TECHNOLOGY CORP (SLMB)   ZHANG W,  HENSLEY D E,  HAVLINEK K L;  GB2377813-B -- JP06124719-A   ;  SU1344170-A1   ;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4910100-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAKANISHI T,  KOSEKI K,  MARUYAMA S,  SHUNDO H;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5429885-A   YARDNEY TECH PROD INC (YARN)   TREGENZA J,  STOCKBURGER D;  US5470671-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  LAMONT G J,  BASURA V,  VOSS H H,  WILKINSON D P;  US5922485-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6045935-A   CORNING INC (CORG)   KETCHAM T D,  POWELL W R,  STEWART R L,  ST JULIEN D J;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US7069998-B2 -- EP1018774-A1   AIR LIQUIDE SA (AIRL)   CHARLAT P;  GB1144322-A   ;  GB1190601-A   ;  US2643087-A   ;  US3278335-A   ;  US3280923-A   ;  US3342267-A   ;  US3664442-A   NOBLE DRILLING CO (NOB-Non-standard);  US3665955-A   CONNER GE (CON-Individual);  US4629537-A   HSU M S (HSUM-Individual)   HSU M S;  US4738904-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W,  MADHUSUDHA C P;  US4808037-A   WADE F C (WADE-Individual)   WADE F C,  ANDERSON R A,  BARRON R H;  US4826742-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US5202194-A   HALLIBURTON CO (HALL)   VANBERG C F;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5935725-A   BCS TECHNOLOGY (BCST-Non-standard)   DHAR H P,  LEWINSKI K A;  US6082452-A   BAKER HUGHES LTD (BAKO)   SHAW C K,  THOMPSON P K;  US6138758-A   BAKER HUGHES LTD (BAKO)   SHAW C K,  THOMPSON P K;  US6150601-A   HALLIBURTON ENERGY SERVICES INC (HALL)   SCHNATZMEYER M A,  ROBISON C;  US6279658-B1   BAKER HUGHES INC (BAKO)   DONOVAN J F,  JOHNSON M H,  HERBERT R P,  GANN C L;  US6397946-B1   SMART DRILLING & COMPLETION INC (SMAR-Non-standard)   VAIL W B;  US6454011-B1   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   BIJLEVELD A F,  DEN BOER J J,  KIMMINAU S J,  SCHEMPF H,  STEWART J F;  US6684948-B1   SAVAGE M T (SAVA-Individual)   SAVAGE M T;  US6675888-B2   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   BIJLEVELD A F,  DEN BOER J J,  KIMMINAU S J,  SCHEMPF H,  STEWART J F;  US6686079-B2   SCHLUMBERGER TECHNOLOGY CORP (SLMB)   ZHANG W,  HENSLEY D E,  HAVLINEK K L;  WO1999027599-A1   ;  WO2001097310-A2