Inventor · disambiguated record
Harold A. Sreshta
Also filed as: SRESHTA HAROLD · SRESHTA HAROLD A
20 granted patents·6 pending applications·518 citations·filing 1995–2020
95Inventor score
Files withNAT OILWELL DHT LP6CAMCO INT4SRESHTA HAROLD A3SUE JIINJEN ALBERT3SCHLUMBERGER TECHNOLOGY CORP2
Top patents by PatentIndex Score
26 records- 0196US6517902B2Methods of treating preform elementsCAMCO INT UK LTD·Filed 2001·Granted Feb 11, 2003·180 cites·10 claims
- 0293US5988302AHardmetal facing for earth boring drill bitCAMCO INT·Filed 1997·Granted Nov 23, 1999·55 cites·49 claims
- 0392US8944789B2Enhanced elastomeric stator insert via reinforcing agent distribution and orientationBUTUC STEFAN·Filed 2011·Granted Feb 3, 2015·20 cites·26 claims
- 0489US9309767B2Reinforced stators and fabrication methodsSRESHTA HAROLD A·Filed 2011·Granted Apr 12, 2016·9 cites·27 claims
- 0588US8997900B2In-situ boron doped PDC elementSUE JIINJEN ALBERT·Filed 2010·Granted Apr 7, 2015·11 cites·21 claims
- 0687US5967248ARock bit hardmetal overlay and process of manufactureCAMCO INT·Filed 1997·Granted Oct 19, 1999·69 cites·27 claims
- 0786US8814968B2Thermally conductive sand mould shell for manufacturing a matrix bitJIANG ALAN HONGGEN·Filed 2011·Granted Aug 26, 2014·10 cites·34 claims
- 0885US8945720B2Hard composite with deformable constituent and method of applying to earth-engaging toolSRESHTA HAROLD·Filed 2009·Granted Feb 3, 2015·12 cites·22 claims
- 0984US8919463B2Polycrystalline diamond cutting elementSETLUR DEEPTHI RAJ·Filed 2011·Granted Dec 30, 2014·5 cites·30 claims
- 1082US6045750ARock bit hardmetal overlay and proces of manufactureCAMCO INT·Filed 1999·Granted Apr 4, 2000·79 cites·20 claims
- 1181US5653299AHardmetal facing for rolling cutter drill bitCAMCO INT·Filed 1995·Granted Aug 5, 1997·38 cites·9 claims
- 1278US8535408B2High thermal conductivity hardfacingSUE JIINJEN ALBERT·Filed 2012·Granted Sep 17, 2013·2 cites·24 claims
- 1372US6361739B1Fabrication process for high density powder composite hardfacing rodSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Mar 26, 2002·13 cites·37 claims
- 1470US6440358B1Fabrication process for powder composite rodSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Aug 27, 2002·13 cites·10 claims
- 1564US2015107908A1Hard composite with deformable constituent and method of applying to earth-engaging toolNAT OILWELL VARCO LP·Filed 2014·Application pending·0 cites
- 1659US9604345B2Hard-facing for downhole tools and matrix bit bodies with enhanced wear resistance and fracture toughnessNAT OILWELL DHT LP·Filed 2013·Granted Mar 28, 2017·0 cites·36 claims
- 1757US2020149353A1Polycrystalline Diamond Cutting ElementNAT OILWELL DHT LP·Filed 2020·Application pending·0 cites
- 1856US9631435B2Matrix fixed cutter drill bits and methods for manufacturing sameNAT OILWELL DHT LP·Filed 2013·Granted Apr 25, 2017·1 cites·8 claims
- 1955US10570667B2Polycrystalline diamond cutting elementNAT OILWELL DHT LP·Filed 2014·Granted Feb 25, 2020·0 cites·15 claims
- 2049US2015176335A1In-situ boron doped pdc elementNAT OILWELL DHT LP·Filed 2015·Application pending·0 cites
- 2146US9364936B2Dispersion of hardphase particles in an infiltrantSRESHTA HAROLD A·Filed 2011·Granted Jun 14, 2016·0 cites·25 claims
- 2244US10590704B2High strength corrosion resistant high velocity oxy fuel (HVOF) coating for downhole toolsSUE JIINJEN ALBERT·Filed 2012·Granted Mar 17, 2020·0 cites·14 claims
- 2343US2015233188A1Downhole Mills and Improved Cutting StructuresWRIGHT II CHARLES LEONARD·Filed 2013·Application pending·0 cites
- 2440US8083011B2Matrix turbine sleeve and method for making sameSRESHTA HAROLD A·Filed 2008·Granted Dec 27, 2011·1 cites·24 claims
- 2540US2006237236A1Composite structure having a non-planar interface and method of making sameSRESHTA HAROLD·Filed 2005·Application pending·0 cites
- 2638US2011171414A1Sacrificial Catalyst Polycrystalline Diamond ElementNAT OILWELL DHT LP·Filed 2010·Application pending·0 cites
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