Inventor · disambiguated record
Douglas P. Fairchild
Also filed as: FAIRCHILD DOUGLAS P · FAIRCHILD DOUGLAS PAUL
18 granted patents·11 pending applications·215 citations·filing 1989–2024
93Inventor score
Files withEXXONMOBIL RES & ENG CO7EXXONMOBIL UPSTREAM RES CO6AYER RAGHAVAN4FAIRCHILD DOUGLAS P3KOO JAYOUNG2
Top patents by PatentIndex Score
29 records- 0193US7874471B2Butt weld and method of making using fusion and friction stir weldingEXXONMOBIL RES & ENG CO·Filed 2009·Granted Jan 25, 2011·28 cites·83 claims
- 0289US6085528ASystem for processing, storing, and transporting liquefied natural gasEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Jul 11, 2000·80 cites·23 claims
- 0388US12285824B2Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistancePOSCO CO LTD·Filed 2024·Granted Apr 29, 2025·0 cites·8 claims
- 0483US6565678B2Weld metals with superior low temperature toughness for joining high strength, low alloy steelsEXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted May 20, 2003·32 cites·21 claims
- 0582US11883906B2High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the sameEXXONMOBIL RES & ENG CO·Filed 2019·Granted Jan 30, 2024·1 cites·12 claims
- 0679US8637166B2High strength nickel alloy welds through strain hardeningAYER RAGHAVAN·Filed 2008·Granted Jan 28, 2014·6 cites·43 claims
- 0776US12311474B2Field girth welding technology for high manganese steel slurry pipelinesEXXONMOBIL RES & ENG CO·Filed 2019·Granted May 27, 2025·0 cites·12 claims
- 0876US6114656AWelding methods for producing ultra-high strength weldments with weld metals having excellent cryogenic temperature fracture toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Sep 5, 2000·39 cites·17 claims
- 0975US11130204B2Field dissimilar metal welding technology for enhanced wear resistant high manganese steelEXXONMOBIL RES & ENG CO·Filed 2017·Granted Sep 28, 2021·1 cites·8 claims
- 1073US9821401B2High toughness weld metals with superior ductile tearing resistanceFAIRCHILD DOUGLAS P·Filed 2011·Granted Nov 21, 2017·4 cites·19 claims
- 1170US10493569B2Field girth welding technology for high manganese steel slurry pipelinesEXXONMOBIL RES & ENG CO·Filed 2017·Granted Dec 3, 2019·0 cites·10 claims
- 1270US10493570B2High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the sameEXXONMOBIL RES & ENG CO·Filed 2017·Granted Dec 3, 2019·0 cites·7 claims
- 1369US8168306B2Weld metal compositions for joining steel structures in the oil and gas industryAYER RAGHAVAN·Filed 2007·Granted May 1, 2012·3 cites·48 claims
- 1466US8426033B2High strength nickel alloy welds through precipitation hardeningAYER RAGHAVAN·Filed 2008·Granted Apr 23, 2013·1 cites·47 claims
- 1559US2018169799A1High Strength Weld Metal for Demanding Structural ApplicationsFAIRCHILD DOUGLAS P·Filed 2018·Application pending·0 cites
- 1654US2015129559A1High Strength Weld Metal for Demanding Structural ApplicationsFAIRCHILD DOUGLAS P·Filed 2013·Application pending·0 cites
- 1754US2008032153A1Use of friction stir and laser shock processing in oil & gas and petrochemical applicationsVAUGHN GLEN A·Filed 2006·Application pending·0 cites
- 1853US2009301613A1Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging ResistanceKOO JAYOUNG·Filed 2009·Application pending·0 cites
- 1953US2010136369A1High strength and toughness steel structures by friction stir weldingAYER RAGHAVAN·Filed 2009·Application pending·0 cites
- 2051US9896748B2Low yield ratio dual phase steel linepipe with superior strain aging resistanceKOO JAYOUNG·Filed 2012·Granted Feb 20, 2018·0 cites·37 claims
- 2150US6845900B2Methods for producing weld joints having thermally enhanced heat-affected-zones with excellent fracture toughnessEXXONMOBIL UPSTREAM RES CO·Filed 2003·Granted Jan 25, 2005·6 cites·5 claims
- 2247US2007193666A1High Strength Dual Phase Steel With Low Yield Ratio, High Toughness and Superior WeldabilityEXXONMOBIL UPSTREAM RES CO·Filed 2007·Application pending·0 cites
- 2346US2017349983A1High strength cryogenic high manganese steels and methods of making the sameEXXONMOBIL RES & ENG CO·Filed 2017·Application pending·0 cites
- 2445US8141768B2Application of high integrity welding and repair of metal components in oil and gas exploration, production and refiningFORD STEVEN J·Filed 2006·Granted Mar 27, 2012·0 cites·37 claims
- 2545US5080732AMethod for determining the relative haz toughness of steelEXXON PRODUCTION RESEARCH CO·Filed 1989·Granted Jan 14, 1992·14 cites·11 claims
- 2645US2012160363A1High manganese containing steels for oil, gas and petrochemical applicationsJIN HYUN WOO·Filed 2011·Application pending·0 cites
- 2745US2007175967A1High integrity welding and repair of metal componentsBANGARU NARASIMHA-RAO VENKATA·Filed 2006·Application pending·0 cites
- 2845US2015122336A1Systems and Methods for Decreasing Abrasive Wear in a Pipeline that is Configured to Transfer a SlurryEXXONMOBIL UPSTREAM RES CO·Filed 2013·Application pending·0 cites
- 2935US2002134452A1Methods of girth welding high strength steel pipes to achieve pipeling crack arrestabilityFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →