Inventor · disambiguated record
Sheng Chang
Also filed as: CHANG SHENG · CHANG SHENG-HSIANG
29 granted patents·12 pending applications·133 citations·filing 2007–2025
95Inventor score
Top patents by PatentIndex Score
41 records- 0193US7730936B2Active cable for wellbore heating and distributed temperature sensingSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jun 8, 2010·62 cites·13 claims
- 0292US10001613B2Methods and cables for use in fracturing zones in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jun 19, 2018·6 cites·6 claims
- 0390US11387014B2Torque-balanced, gas-sealed wireline cablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Jul 12, 2022·6 cites·12 claims
- 0487US8901425B2Wireline cables not requiring seasoningVARKEY JOSEPH·Filed 2011·Granted Dec 2, 2014·5 cites·12 claims
- 0585US10062476B2High power opto-electrical cable with multiple power and telemetry pathsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 28, 2018·5 cites·10 claims
- 0684US12405436B2Electrically conductive fiber optic slickline for coiled tubing operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Sep 2, 2025·0 cites·19 claims
- 0783US10087717B2Dual use cable with fiber optics for use in wellbore operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Oct 2, 2018·8 cites·20 claims
- 0883US9412492B2Torque-balanced, gas-sealed wireline cablesVARKEY JOSEPH·Filed 2009·Granted Aug 9, 2016·11 cites·13 claims
- 0982US9859037B2Downhole cables and methods of making the sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 2, 2018·2 cites·8 claims
- 1081US2025129683A1Reduced torque wireline cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 1180US11315706B2Downhole cable and method of making a downhole cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Apr 26, 2022·1 cites·7 claims
- 1280US10487616B2Packoff seals and processes for using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Nov 26, 2019·4 cites·20 claims
- 1379US11268329B2Electrically conductive fiber optic slickline for coiled tubing operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Mar 8, 2022·5 cites·19 claims
- 1479US8969726B2Torque-balanced electrical cableVARKEY JOSEPH·Filed 2009·Granted Mar 3, 2015·8 cites·16 claims
- 1578US10262770B2Method of making a cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Apr 16, 2019·1 cites·4 claims
- 1676US10738577B2Methods and cables for use in fracturing zones in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Aug 11, 2020·3 cites·29 claims
- 1774US9679677B2CableSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Jun 13, 2017·1 cites·3 claims
- 1874US9496075B2Wireline cables not requiring seasoningSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Nov 15, 2016·1 cites·3 claims
- 1973US9638021B2Pump deployment via cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 2, 2017·4 cites·9 claims
- 2070US12163394B2Reduced torque wireline cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Dec 10, 2024·0 cites·18 claims
- 2169US11158442B2Manufacturing techniques for a jacketed metal lineSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Oct 26, 2021·0 cites·16 claims
- 2266US2022341268A1Electrically conductive fiber optic slickline for coiled tubing operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Application pending·0 cites
- 2364US10468156B2Cables with polymeric jacket layersSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Nov 5, 2019·0 cites·9 claims
- 2464US10304589B2Downhole cables and methods of making the sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted May 28, 2019·0 cites·4 claims
- 2559US10854354B2Downhole cables and methods of making the sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Dec 1, 2020·0 cites·15 claims
- 2659US2025372283A1Acid resistant wireline cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 2759US2019006060A1Continuously bonded small-diameter cable with electrical return on outer wiresSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Application pending·0 cites
- 2858US10037836B2Slickline manufacturing techniquesSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jul 31, 2018·0 cites·14 claims
- 2957US9959953B2Torque-balanced electrical cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted May 1, 2018·0 cites·6 claims
- 3056US10297365B2Cables with polymeric jacket layersSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted May 21, 2019·0 cites·15 claims
- 3156US2016329128A1Torque-balanced, gas-sealed wireline cablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Application pending·0 cites
- 3253US2015155074A1Cables And Methods Of Making CablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 3353US2015122541A1Conductor ComponentSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 3450US8069879B2Hydrocarbon application hoseVARKEY JOSEPH·Filed 2007·Granted Dec 6, 2011·0 cites·21 claims
- 3550US2017004905A1Downhole Cables and Methods of Making the SameSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 3645US2014311758A1Continuously Bonded Small-Diameter Cable With Electrical Return On Outer WiresSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Application pending·0 cites
- 3744US2015037581A1Cable having strength member with bonded polymer coatings to create continuously bonded jacketed strength member systemVARKEY JOSEPH·Filed 2011·Application pending·0 cites
- 3842US9767938B2Cables and methods of making cablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 19, 2017·0 cites·11 claims
- 3939US10636718B2Inorganic packaging module having a chip encapsulated thereinCHANG SHENG HSIANG·Filed 2018·Granted Apr 28, 2020·0 cites·16 claims
- 4039US2014190706A1Encapsulating an electric submersible pump cable in coiled tubingSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 4138US2015155073A1Wireline Cables Not Requiring SeasoningSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →