Inventor · disambiguated record
David F. Laurel
Also filed as: LAUREL DAVID · LAUREL DAVID F · LAUREL DAVID FERNANDO
21 granted patents·1,217 citations·filing 1988–2012
97Inventor score
Files withHALLIBURTON CO12HALLIBURTON ENERGY SERV INC3WEATHERFORD LAMB3FRANK S INR INC1LAUREL DAVID F1
Top patents by PatentIndex Score
21 records- 0193US6666273B2Valve assembly for use in a wellboreWEATHERFORD LAMB·Filed 2002·Granted Dec 23, 2003·122 cites·36 claims
- 0287US5718292AInflation packer method and apparatusHALLIBURTON CO·Filed 1996·Granted Feb 17, 1998·119 cites·20 claims
- 0386US5762139ASubsurface release cementing plug apparatus and methodsHALLIBURTON CO·Filed 1996·Granted Jun 9, 1998·129 cites·38 claims
- 0486US4791952AHydrant and components thereofHALLIBURTON CO·Filed 1988·Granted Dec 20, 1988·56 cites·15 claims
- 0585US5413172ASub-surface release plug assembly with non-metallic componentsHALLIBURTON CO·Filed 1993·Granted May 9, 1995·92 cites·10 claims
- 0684US5722491AWell cementing plug assemblies and methodsHALLIBURTON CO·Filed 1996·Granted Mar 3, 1998·112 cites·21 claims
- 0780US6622795B2Flow actuated valve for use in a wellboreWEATHERFORD LAMB·Filed 2001·Granted Sep 23, 2003·28 cites·13 claims
- 0880US5829526AMethod and apparatus for placing and cementing casing in horizontal wellsHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Nov 3, 1998·93 cites·32 claims
- 0977US6571880B1Method and multi-purpose apparatus for control of fluid in wellbore casingFRANK S INR INC·Filed 2000·Granted Jun 3, 2003·54 cites·22 claims
- 1077US5758726ABall drop head with rotating ringsHALLIBURTON ENERGY SERV INC·Filed 1996·Granted Jun 2, 1998·73 cites·40 claims
- 1176US4790341AHydrant and components thereofHALLIBURTON CO·Filed 1988·Granted Dec 13, 1988·31 cites·2 claims
- 1274US5488994AInflation packer method and apparatusHALLIBURTON CO·Filed 1994·Granted Feb 6, 1996·57 cites·29 claims
- 1372US5566757AMethod and apparatus for setting sidetrack plugs in open or cased well boresHALLIBURTON CO·Filed 1995·Granted Oct 22, 1996·66 cites·37 claims
- 1471US8201634B2Subsea cementing plug system with plug launching toolLAUREL DAVID FERNANDO·Filed 2009·Granted Jun 19, 2012·19 cites·30 claims
- 1560US5967231APlug release indication methodHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Oct 19, 1999·37 cites·18 claims
- 1660US4763686AHydrant and components thereofHALLIBURTON CO·Filed 1988·Granted Aug 16, 1988·23 cites·16 claims
- 1758US4770203AHydrant and components thereofHALLIBURTON CO·Filed 1988·Granted Sep 13, 1988·21 cites·20 claims
- 1857US7114558B2Filtered actuator port for hydraulically actuated downhole toolsWEATHERFORD LAMB·Filed 2003·Granted Oct 3, 2006·19 cites·22 claims
- 1957US5544704ADrillable whipstockHALLIBURTON CO·Filed 1995·Granted Aug 13, 1996·37 cites·24 claims
- 2051US5392852ASub-surface release plug assembly with primary and secondary release mechanismsHALLIBURTON CO·Filed 1992·Granted Feb 28, 1995·28 cites·18 claims
- 2144US9051787B2Quick connect coupling for cementing operations and the likeLAUREL DAVID F·Filed 2012·Granted Jun 9, 2015·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →