Inventor · disambiguated record
Ping Duan
Also filed as: DUAN PING
34 granted patents·12 pending applications·238 citations·filing 2005–2023
96Inventor score
Files withDUAN PING9BAKER HUGHES INC6BAKER HUGHES OILFIELD OPERATIONS LLC6AGRAWAL GAURAV5REN JIAXIANG4
Top patents by PatentIndex Score
46 records- 0196US7828055B2Apparatus and method for controlled deployment of shape-conforming materialsBAKER HUGHES INC·Filed 2007·Granted Nov 9, 2010·81 cites·18 claims
- 0295US8604157B2Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereofGERRARD DAVID P·Filed 2011·Granted Dec 10, 2013·14 cites·43 claims
- 0395US8048348B2Shape memory polyurethane foam for downhole sand control filtration devicesBAKER HUGHES INC·Filed 2011·Granted Nov 1, 2011·23 cites·19 claims
- 0494US8722784B2Polymer nanocompositeCHAKRABORTY SOMA·Filed 2012·Granted May 13, 2014·8 cites·13 claims
- 0593US8939222B2Shaped memory polyphenylene sulfide (PPS) for downhole packer applicationsREN JIAXIANG·Filed 2011·Granted Jan 27, 2015·14 cites·21 claims
- 0693US7926565B2Shape memory polyurethane foam for downhole sand control filtration devicesBAKER HUGHES INC·Filed 2008·Granted Apr 19, 2011·47 cites·10 claims
- 0791US10468159B1Power cable with laminated steel and polymer armorBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2019·Granted Nov 5, 2019·7 cites·18 claims
- 0889US9120898B2Method of curing thermoplastic polymer for shape memory materialREN JIAXIANG·Filed 2011·Granted Sep 1, 2015·5 cites·17 claims
- 0988US9144925B2Shape memory polyphenylene sulfide manufacturing, process, and compositionREN JIAXIANG·Filed 2012·Granted Sep 29, 2015·6 cites·37 claims
- 1087US8314177B2Polymer nanocompositeCHAKRABORTY SOMA·Filed 2010·Granted Nov 20, 2012·3 cites·15 claims
- 1186US9260568B2Method of curing thermoplastic polymer for shape memory materialREN JIAXIANG·Filed 2013·Granted Feb 16, 2016·4 cites·20 claims
- 1281US10738560B2Packers having controlled swelling and methods of manufacturing thereofDUAN PING·Filed 2017·Granted Aug 11, 2020·3 cites·16 claims
- 1379US10227471B2Degradable extrusion resistant compositions and articles of manufactureWANG XIAO·Filed 2016·Granted Mar 12, 2019·1 cites·17 claims
- 1475US8980799B2Polymer foam cell morphology control and use in borehole filtration devicesAGRAWAL GAURAV·Filed 2010·Granted Mar 17, 2015·5 cites·10 claims
- 1575US8739408B2Shape memory material packer for subterranean useDUAN PING·Filed 2011·Granted Jun 3, 2014·5 cites·20 claims
- 1674US8318838B2Method of forming polymer nanocompositeAGRAWAL GAURAV·Filed 2010·Granted Nov 27, 2012·1 cites·20 claims
- 1773US10329407B2Degradable extrusion resistant compositions and articles of manufactureDUAN PING·Filed 2015·Granted Jun 25, 2019·1 cites·21 claims
- 1872US7643184B2Scanner having a driving device for stable driving movement of an image sensor carriageAISA OPTICAL CO INC·Filed 2005·Granted Jan 5, 2010·5 cites·20 claims
- 1967US9051819B2Method and apparatus for selectively controlling fluid flowSADANA ANIL K·Filed 2011·Granted Jun 9, 2015·2 cites·19 claims
- 2065US12276173B2Seal tool with temperature control material, method, and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Apr 15, 2025·0 cites·15 claims
- 2165US12258837B2Borehole sealing with temperature control, method, and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Mar 25, 2025·0 cites·20 claims
- 2265US12123276B2Borehole sealing with temperature control, method, and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Oct 22, 2024·0 cites·10 claims
- 2365US10778059B2Method of encapsulating motor windings of electrical submersible pump in bonded ceramicBAKER HUGHES A GE CO LLC·Filed 2018·Granted Sep 15, 2020·0 cites·20 claims
- 2463US12416225B2Density-based flow control configuration, method, and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Granted Sep 16, 2025·0 cites·23 claims
- 2563US9181781B2Method of making and using a reconfigurable downhole articleAGRAWAL GAURAV·Filed 2011·Granted Nov 10, 2015·2 cites·15 claims
- 2659US9777550B2Degradable casing seal construction for downhole applicationsDOANE JAMES·Filed 2014·Granted Oct 3, 2017·1 cites·24 claims
- 2759US8940841B2Polyarylene compositions, methods of manufacture, and articles thereofDUAN PING·Filed 2012·Granted Jan 27, 2015·0 cites·34 claims
- 2857US8829119B2Polyarylene compositions for downhole applications, methods of manufacture, and uses thereofDUAN PING·Filed 2011·Granted Sep 9, 2014·0 cites·32 claims
- 2957US2016294243A1Electrical Submersible Pump with Motor Winding Encapsulated in Bonded CeramicBAKER HUGHES INC·Filed 2016·Application pending·0 cites
- 3055US11261283B2Polyurethane cementing wiper plugsDUAN PING·Filed 2019·Granted Mar 1, 2022·0 cites·14 claims
- 3151US2010236794A1Downhole sealing devices having a shape-memory material and methods of manufacturing and using sameDUAN PING·Filed 2010·Application pending·0 cites
- 3250US10697567B2Flexible device and methodLOH YUH·Filed 2018·Granted Jun 30, 2020·0 cites·9 claims
- 3350US10287848B2Structurally supported seal element assemblyBAKER HUGHES A GE CO LLC·Filed 2016·Granted May 14, 2019·0 cites·18 claims
- 3450US2014374086A1Reconfigurable downhole articleAGRAWAL GAURAV·Filed 2014·Application pending·0 cites
- 3550US2024392647A1Seal, method and systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 3646US11913309B2Filtration media including porous polymeric material and degradable shape memory materialSADANA ANIL·Filed 2020·Granted Feb 27, 2024·0 cites·18 claims
- 3745US2013000985A1Reconfigurable downhole articleAGRAWAL GAURAV·Filed 2011·Application pending·0 cites
- 3845US2016145485A1Degradable material for downhole applicationsDOANE JAMES·Filed 2014·Application pending·0 cites
- 3943US2009308614A1Coated extrudable ball seatsSANCHEZ JAMES S·Filed 2008·Application pending·0 cites
- 4042US10669823B2System and method for downhole ignition detectionOBERG LEVI·Filed 2016·Granted Jun 2, 2020·0 cites·8 claims
- 4142US2013012635A1Cured thermoplastic polymer for shape memory material and articles formed therefromBAKER HUGHES INC·Filed 2011·Application pending·0 cites
- 4241US2009084539A1Downhole sealing devices having a shape-memory material and methods of manufacturing and using sameDUAN PING·Filed 2007·Application pending·0 cites
- 4339US2018202249A1Downhole Tool Actuation MethodsBAKER HUGHES A GE CO LLC·Filed 2017·Application pending·0 cites
- 4438US2018202248A1Setting Tool Power Charge InitiationBAKER HUGHES INC·Filed 2017·Application pending·0 cites
- 4533US2012305238A1High Temperature Crosslinked Polysulfones Used for Downhole DevicesDUAN PING·Filed 2011·Application pending·0 cites
- 4629US9942378B2Display device and method for implementing incoming notification function with respect to MHL signal sourceSHENZHEN TCL NEW TECH CO LTD·Filed 2015·Granted Apr 10, 2018·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →