Inventor · disambiguated record
Khai Tran
Also filed as: TRAN KHAI · TRAN KHAI NGUYEN
24 granted patents·7 pending applications·496 citations·filing 1991–2023
96Inventor score
Files withWEATHERFORD LAMB16MR INSTR INC4MICROSOFT TECHNOLOGY LICENSING LLC3SWELLFIX BV2ASHBROOK SIMON HARTLEY INC1
Top patents by PatentIndex Score
31 records- 0193US6550539B2Tie back and method for use with expandable tubularsWEATHERFORD LAMB·Filed 2001·Granted Apr 22, 2003·114 cites·14 claims
- 0288US6691789B2Expandable hanger and packerWEATHERFORD LAMB·Filed 2002·Granted Feb 17, 2004·73 cites·31 claims
- 0384US10927644B2Single size actuator for multiple sliding sleevesSWELLFIX BV·Filed 2017·Granted Feb 23, 2021·4 cites·12 claims
- 0483US7751677B2Optical fiber feedthrough using axial seals for bi-directional sealingWEATHERFORD LAMB·Filed 2008·Granted Jul 6, 2010·12 cites·20 claims
- 0582US10543673B2Detecting and compensating for an anomaly in three-dimensional object fabricationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Jan 28, 2020·3 cites·18 claims
- 0674US9567831B2Casing mounted metering deviceWARD RYAN·Filed 2014·Granted Feb 14, 2017·4 cites·4 claims
- 0774US6997266B2Expandable hanger and packerWEATHERFORD LAMB·Filed 2004·Granted Feb 14, 2006·38 cites·20 claims
- 0873US11839447B2Wearable open and adjustable MRI head coilMR INSTR INC·Filed 2019·Granted Dec 12, 2023·2 cites·22 claims
- 0973US6688399B2Expandable hanger and packerWEATHERFORD LAMB·Filed 2001·Granted Feb 10, 2004·41 cites·37 claims
- 1072US6782953B2Tie back and method for use with expandable tubularsWEATHERFORD LAMB·Filed 2003·Granted Aug 31, 2004·31 cites·25 claims
- 1172US6688395B2Expandable tubular having improved polished bore receptacle protectionWEATHERFORD LAMB·Filed 2001·Granted Feb 10, 2004·42 cites·18 claims
- 1271US12053257B2Wearable open and adjustable MRI head coilMR INSTR INC·Filed 2023·Granted Aug 6, 2024·0 cites·20 claims
- 1371US5133872AMethod and apparatus for controlling throughput in a beltpressASHBROOK SIMON HARTLEY INC·Filed 1991·Granted Jul 28, 1992·40 cites·30 claims
- 1463US6843319B2Expansion assembly for a tubular expander tool, and method of tubular expansionWEATHERFORD LAMB·Filed 2002·Granted Jan 18, 2005·29 cites·44 claims
- 1560US7182141B2Expander tool for downhole useWEATHERFORD LAMB·Filed 2002·Granted Feb 27, 2007·22 cites·21 claims
- 1654US10452056B2Three-dimensional object fabrication using multiple extrudersMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Oct 22, 2019·0 cites·20 claims
- 1754US7032679B2Tie back and method for use with expandable tubularsWEATHERFORD LAMB·Filed 2004·Granted Apr 25, 2006·12 cites·19 claims
- 1853US7363981B2Seal stack for sliding sleeveWEATHERFORD LAMB·Filed 2003·Granted Apr 29, 2008·15 cites·37 claims
- 1951US2017107790A1Casing mounted metering deviceDOWNHOLE INNOVATIONS LLC·Filed 2016·Application pending·0 cites
- 2050US12150748B2MRI receiver coil systemMR INSTR INC·Filed 2020·Granted Nov 26, 2024·0 cites·20 claims
- 2149USD882092SMRI head coilMR INSTR INC·Filed 2019·Granted Apr 21, 2020·5 cites·1 claims
- 2247US2015096767A1Single size actuator for multiple sliding sleevesSWELLFIX BV·Filed 2013·Application pending·0 cites
- 2346US6820687B2Auto reversing expanding roller systemWEATHERFORD LAMB·Filed 2002·Granted Nov 23, 2004·9 cites·59 claims
- 2445US8002039B2Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valveWEATHERFORD LAMB·Filed 2009·Granted Aug 23, 2011·0 cites·43 claims
- 2543US10930071B2Adaptive decimation using 3D video featuresMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Feb 23, 2021·0 cites·20 claims
- 2641US7500523B2Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valveWEATHERFORD LAMB·Filed 2005·Granted Mar 10, 2009·0 cites·34 claims
- 2740US2003075340A1Lubricant for use in a wellboreFiled 2001·Application pending·0 cites
- 2835US2004140086A1Expansion apparatus having resistive mediumWEATHERFORD LAMB·Filed 2003·Application pending·0 cites
- 2934US2004055786A1Positive displacement apparatus for selectively translating expander tool downholeWEATHERFORD LAMB·Filed 2002·Application pending·0 cites
- 3034US2003168222A1Closed system hydraulic expanderFiled 2002·Application pending·0 cites
- 3131US2017226818A1Counting sliding sleeve and components thereofAdvanced Frac Systems LLC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →