Inventor · disambiguated record
Darrin L. Willauer
Also filed as: WILLAUER DARRIN · WILLAUER DARRIN L · WILLAUER DARRIN LEE
23 granted patents·9 pending applications·849 citations·filing 1993–2018
97Inventor score
Top patents by PatentIndex Score
32 records- 0199US7743835B2Compositions containing shape-conforming materials and nanoparticles that absorb energy to heat the compositionsBAKER HUGHES INC·Filed 2008·Granted Jun 29, 2010·60 cites·19 claims
- 0296US7828055B2Apparatus and method for controlled deployment of shape-conforming materialsBAKER HUGHES INC·Filed 2007·Granted Nov 9, 2010·81 cites·18 claims
- 0395US7820097B2Electrical, plating and catalytic uses of metal nanomaterial compositionsNCC NANO LLC·Filed 2005·Granted Oct 26, 2010·48 cites·10 claims
- 0490US6012526AMethod for sealing the junctions in multilateral wellsBAKER HUGHES INC·Filed 1997·Granted Jan 11, 2000·165 cites·13 claims
- 0589US9907183B2Electrical, plating and catalytic uses of metal nanomaterial compositionsNCC NANO LLC·Filed 2016·Granted Feb 27, 2018·2 cites·7 claims
- 0688US9494068B2Electrical plating and catalytic uses of metal nanomaterial compositionsSCHRODER KURT A·Filed 2010·Granted Nov 15, 2016·7 cites·9 claims
- 0785US5350018AWell treating system with pressure readout at surface and methodDOWELL SCHLUMBERGER INC·Filed 1993·Granted Sep 27, 1994·90 cites·22 claims
- 0884US7832490B2Compositions containing shape-conforming materials and nanoparticles to enhance elastic modulusBAKER HUGHES INC·Filed 2008·Granted Nov 16, 2010·20 cites·19 claims
- 0984US6896056B2System and methods for detecting casing collarsBAKER HUGHES INC·Filed 2002·Granted May 24, 2005·70 cites·30 claims
- 1082US6580051B2Method and apparatus for producing bulk quantities of nano-sized materials by electrothermal gun synthesisNANOTECHNOLOGIES INC·Filed 2001·Granted Jun 17, 2003·37 cites·11 claims
- 1179US6600127B1Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowderNANOTECHNOLOGIES INC·Filed 2000·Granted Jul 29, 2003·34 cites·33 claims
- 1276US5743333AExternal casing packer with element end sleeve to collar retainer and methodBAKER HUGHES INC·Filed 1996·Granted Apr 28, 1998·79 cites·28 claims
- 1372US2018139850A1Electrical, plating and catalytic uses of metal nanomaterial compositionsNCC NANO LLC·Filed 2018·Application pending·0 cites
- 1470US7891430B2Water control device using electromagneticsBAKER HUGHES INC·Filed 2007·Granted Feb 22, 2011·11 cites·20 claims
- 1563US8857342B2NANO-enhanced kinetic energy particlesWILSON DENNIS EUGENE·Filed 2006·Granted Oct 14, 2014·8 cites·3 claims
- 1663US6367545B1Electronically controlled electric wireline setting toolBAKER HUGHES INC·Filed 2000·Granted Apr 9, 2002·27 cites·16 claims
- 1758US6050336AMethod and apparatus to isolate a specific zoneBAKER HUGHES INC·Filed 1997·Granted Apr 18, 2000·39 cites·19 claims
- 1857US6050131AMethod for verifying positive inflation of an inflatable elementBAKER HUGHES INC·Filed 1997·Granted Apr 18, 2000·34 cites·26 claims
- 1956US8505294B2Method and system for control of hydraulic systemsWILLAUER DARRIN L·Filed 2009·Granted Aug 13, 2013·3 cites·6 claims
- 2053US7565928B2Downhole abrading tool having a taggant injection assembly for indicating excessive wearBAKER HUGHES INC·Filed 2006·Granted Jul 28, 2009·3 cites·25 claims
- 2151US6540019B2Intelligent thru tubing bridge plug with downhole instrumentationBAKER HUGHES INC·Filed 2001·Granted Apr 1, 2003·12 cites·17 claims
- 2247US2014096956A1System and method of monitoring displacement of a member during a downhole completion operationWILLAUER DARRIN L·Filed 2013·Application pending·0 cites
- 2346US2010108253A1Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surfaceDOANE JAMES C·Filed 2009·Application pending·0 cites
- 2446US2010108308A1Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surfaceDOANE JAMES C·Filed 2009·Application pending·0 cites
- 2544US6289994B1Bidirectional temperature and pressure effect compensator for inflatable elementsBAKER HUGHES INC·Filed 1999·Granted Sep 18, 2001·19 cites·30 claims
- 2644US2010051264A1Method and system for monitoring downhole completion operationsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 2742US2008224413A1Sealing material to metal bonding compositions and methods for bonding a sealing material to a metal surfaceDOANE JAMES C·Filed 2007·Application pending·0 cites
- 2839US8857454B2Valving system and method of selectively halting injection of chemicalsWILLAUER DARRIN L·Filed 2011·Granted Oct 14, 2014·0 cites·11 claims
- 2938US2009191247A1Anti-Viral Uses Of Carbon And Metal Nanomaterial CompositionsNANOTECHNOLOGIES INC·Filed 2005·Application pending·0 cites
- 3035US10233726B2Pressure differential device with constant pressure dropHE ZHI Y·Filed 2014·Granted Mar 19, 2019·0 cites·17 claims
- 3135US2012154168A1Photonic crystal waveguide downhole communication system and methodDUNCAN ROGER G·Filed 2010·Application pending·0 cites
- 3231US2018328496A1Flow diffuser valve and systemNGUYEN HAI HOANG·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →