Inventor · disambiguated record
David W. Largent
Also filed as: LARGENT DAVID · LARGENT DAVID W · LARGENT DAVID WAYNE
27 granted patents·5 pending applications·1,002 citations·filing 1998–2010
98Inventor score
Top patents by PatentIndex Score
32 records- 0196US6722504B2Vibratory separators and screensVARCO INT·Filed 2001·Granted Apr 20, 2004·63 cites·13 claims
- 0296US6565698B1Method for making vibratory separator screensVARCO INT·Filed 2000·Granted May 20, 2003·63 cites·18 claims
- 0395US6510947B1Screens for vibratory separatorsVARCO INT·Filed 2001·Granted Jan 28, 2003·96 cites·14 claims
- 0494US6443310B1Seal screen structureVARCO INT·Filed 2000·Granted Sep 3, 2002·61 cites·16 claims
- 0594US6283302B1Unibody screen structureTUBOSCOPE I P INC·Filed 2000·Granted Sep 4, 2001·60 cites·18 claims
- 0693US6325216B1Screen apparatus for vibratory separatorTUBOSCOPE I P INC·Filed 1999·Granted Dec 4, 2001·89 cites·18 claims
- 0792US6371302B1Vibratory separator screensTUBOSCOPE I P INC·Filed 2000·Granted Apr 16, 2002·49 cites·22 claims
- 0890US6629610B1Screen with ramps for vibratory separator systemTUBOSCOPE I P INC·Filed 2000·Granted Oct 7, 2003·53 cites·38 claims
- 0990US6454099B1Vibrator separator screensVARCO INT·Filed 2000·Granted Sep 24, 2002·52 cites·13 claims
- 1087US7520391B2Screen assembly for vibratory separatorVARCO INT·Filed 2007·Granted Apr 21, 2009·9 cites·20 claims
- 1187US6607080B2Screen assembly for vibratory separatorsVARCO INT·Filed 2001·Granted Aug 19, 2003·40 cites·5 claims
- 1286US6450345B1Glue pattern screens and methods of productionVARCO INT·Filed 2000·Granted Sep 17, 2002·35 cites·19 claims
- 1386US6290068B1Shaker screens and methods of useTUBOSCOPE I P INC·Filed 1999·Granted Sep 18, 2001·71 cites·26 claims
- 1482US6371306B2Lost circulation fluid treatmentTUBOSCOPE I P INC·Filed 2000·Granted Apr 16, 2002·26 cites·25 claims
- 1579US8708065B2Vessel to condition dry drill cuttingsLARGENT DAVID·Filed 2010·Granted Apr 29, 2014·7 cites·26 claims
- 1679US6736270B2Glued screens for shale shakersVARCO INT·Filed 2001·Granted May 18, 2004·16 cites·30 claims
- 1777US6848583B2Drilling fluid treatmentVARCO INT·Filed 2002·Granted Feb 1, 2005·19 cites·22 claims
- 1876US6530483B2Unibody structure for screen assemblyVARCO INT·Filed 2001·Granted Mar 11, 2003·13 cites·18 claims
- 1975US6581781B1Vibrator separator screensTUBOSCOPE I P INC·Filed 2000·Granted Jun 24, 2003·17 cites·21 claims
- 2074US6269953B1Vibratory separator screen assembliesTUBOSCOPE I P INC·Filed 1999·Granted Aug 7, 2001·67 cites·26 claims
- 2172US6152307AVibratory separator screensTUBOSCOPE I P INC·Filed 1999·Granted Nov 28, 2000·30 cites·19 claims
- 2269US6669985B2Methods for making glued shale shaker screensVARCO INT·Filed 2001·Granted Dec 30, 2003·13 cites·24 claims
- 2367US7000776B2Screen assembly for vibratory separatorsVARCO INT·Filed 2003·Granted Feb 21, 2006·9 cites·20 claims
- 2464US6457588B1Treatment of fluid having lost circulation materialVARCO INT·Filed 2001·Granted Oct 1, 2002·9 cites·34 claims
- 2564US6401934B1Ramped screen & vibratory separator systemTUBOSCOPE I P INC·Filed 1998·Granted Jun 11, 2002·23 cites·32 claims
- 2657US6458283B1Lost circulation fluid treatmentVARCO INT·Filed 2000·Granted Oct 1, 2002·6 cites·17 claims
- 2750USD425531SScreenTUBOSCOPE I/P INC·Filed 1999·Granted May 23, 2000·6 cites·1 claims
- 2842US2004007508A1Screen assembly for vibratory separatorFiled 2003·Application pending·0 cites
- 2942US2004251175A1Apparatuses and methods for making glued screen assembliesFiled 2004·Application pending·0 cites
- 3041US2005224398A1Vibratory separators and sealing screensLARGENT DAVID W·Filed 2005·Application pending·0 cites
- 3139US2004112522A1Automated methods for making screen assemblies for vibratory separatorsFiled 2003·Application pending·0 cites
- 3236US2002104611A1Self-flattening screens for vibratory separatorsFiled 2002·Application pending·0 cites
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