Inventor · disambiguated record
Philip Head
Also filed as: HEAD PHILIP · HEAD PHILIP F
73 granted patents·35 pending applications·2,255 citations·filing 1992–2023
99Inventor score
Files withHEAD PHILIP32CORETEQ SYSTEMS LTD13ARTIFICIAL LIFT CO LTD7ACCESSESP UK LTD4PANDA SEAL INT LTD4
Top patents by PatentIndex Score
108 records- 0198US5435351AAnchored wavey conduit in coiled tubingFiled 1993·Granted Jul 25, 1995·129 cites·16 claims
- 0295US9054615B2Method and apparatus for control of a synchronous permanent magnet motor, particularly over a long cable in a wellHEAD PHILIP·Filed 2011·Granted Jun 9, 2015·15 cites·20 claims
- 0395US8950476B2Coiled tubing deployed ESPHEAD PHILIP·Filed 2011·Granted Feb 10, 2015·19 cites·14 claims
- 0493US9028264B2Downhole electrical wet connectorARTIFICIAL LIFT CO LTD·Filed 2013·Granted May 12, 2015·23 cites·8 claims
- 0593US7504752B2Electric motors for powering downhole toolsARTIFICIAL LIFT CO LTD·Filed 2008·Granted Mar 17, 2009·23 cites·8 claims
- 0693US5918677AMethod of and apparatus for installing the casing in a wellFiled 1997·Granted Jul 6, 1999·154 cites·17 claims
- 0793US5709269ADissolvable grip or seal arrangementFiled 1995·Granted Jan 20, 1998·172 cites·16 claims
- 0891US6223671B1Mooring systemFiled 1999·Granted May 1, 2001·48 cites·14 claims
- 0990US10533381B2Wet connection system for downhole equipmentCORETEQ SYSTEMS LTD·Filed 2017·Granted Jan 14, 2020·7 cites·18 claims
- 1090US8746354B2Wet connection system for downhole equipmentHEAD PHILIP·Filed 2011·Granted Jun 10, 2014·12 cites·23 claims
- 1190US6223823B1Method of and apparatus for installing casing in a wellFiled 1999·Granted May 1, 2001·137 cites·13 claims
- 1289US7730937B2Electric submersible pump and motor assemblyARTIFICIAL LIFT CO LTD·Filed 2008·Granted Jun 8, 2010·28 cites·8 claims
- 1389US5340626AWell packerHEAD PHILIP F·Filed 1993·Granted Aug 23, 1994·63 cites·9 claims
- 1488US7378769B2Electric motors for powering downhole toolsHEAD PHILIP·Filed 2003·Granted May 27, 2008·30 cites·4 claims
- 1586US8985226B2Electric submersible pump, tubing and method for borehole productionHEAD PHILIP·Filed 2010·Granted Mar 24, 2015·10 cites·17 claims
- 1686US6557642B2Submersible pumpsXL TECHNOLOGY LTD·Filed 2001·Granted May 6, 2003·80 cites·13 claims
- 1785US5673751ASystem for controlling the flow of fluid in an oil wellSTIRLING DESIGN INT·Filed 1995·Granted Oct 7, 1997·128 cites·10 claims
- 1885US5671811ATube assembly for servicing a well head and having an inner coil tubing injected into an outer coiled tubingFiled 1996·Granted Sep 30, 1997·91 cites·11 claims
- 1984US7541543B2CablesHEAD PHILIP·Filed 2005·Granted Jun 2, 2009·10 cites·10 claims
- 2084US6276456B1Riser system for sub-sea wells and method of operationFiled 1999·Granted Aug 21, 2001·98 cites·14 claims
- 2183US10340779B2Line start permanent magnet motor using a modular rotorCORETEQ SYSTEMS LTD·Filed 2014·Granted Jul 2, 2019·5 cites·13 claims
- 2283US8485837B2Electrical wet connector in downhole environmentHEAD PHILIP·Filed 2010·Granted Jul 16, 2013·13 cites·14 claims
- 2383US7670451B2Coiled tubing and power cablesARTIFICIAL LIFT CO LTD·Filed 2006·Granted Mar 2, 2010·21 cites·7 claims
- 2483US6323420B1Sub sea and sub surface tubing and conductorsFiled 1999·Granted Nov 27, 2001·48 cites·6 claims
- 2582US9322252B2Fixed wet connection system for an electrical submersible pumpACCESSESP UK LTD·Filed 2013·Granted Apr 26, 2016·7 cites·10 claims
- 2680US7114970B2Electrical conducting systemWEATHERFORD LAMB·Filed 2002·Granted Oct 3, 2006·56 cites·37 claims
- 2779US9647381B2Downhole electrical wet connectorACCESSESP UK LTD·Filed 2015·Granted May 9, 2017·4 cites·20 claims
- 2877US6042303ARiser system for sub sea wells and method of operationFiled 1997·Granted Mar 28, 2000·73 cites·12 claims
- 2977US5327962AWell packerHEAD PHILIP F·Filed 1992·Granted Jul 12, 1994·66 cites·12 claims
- 3075US6659201B2Method and apparatus for directional actuationTSL TECHNOLOGY·Filed 2001·Granted Dec 9, 2003·63 cites·11 claims
- 3174US5778981ADevice for suspending a sub sea oil well riserFiled 1996·Granted Jul 14, 1998·66 cites·7 claims
- 3273US8103135B2Well bore sensingHEAD PHILIP·Filed 2006·Granted Jan 24, 2012·11 cites·7 claims
- 3372US8931552B2Cables for downhole useHEAD PHILIP·Filed 2009·Granted Jan 13, 2015·4 cites·15 claims
- 3472US6629570B1Method of downhole drilling and apparatus thereforFiled 1999·Granted Oct 7, 2003·53 cites·11 claims
- 3570US5996689AConduit and continuous coiled tubing systemFiled 1997·Granted Dec 7, 1999·33 cites·20 claims
- 3667US5404945ADevice for controlling the flow of fluid in an oil wellSTIRLING DESIGN INT·Filed 1992·Granted Apr 11, 1995·44 cites·31 claims
- 3765US10523077B2Very high temperature electrical windingCORETEQ SYSTEMS LTD·Filed 2014·Granted Dec 31, 2019·1 cites·19 claims
- 3865US10340777B2Line start permanent magnet motorCORETEQ SYSTEMS LTD·Filed 2014·Granted Jul 2, 2019·1 cites·6 claims
- 3965US6161619ARiser system for sub-sea wells and method of operationFiled 1999·Granted Dec 19, 2000·46 cites·8 claims
- 4064US9157295B2Control of fluid flow in oil wellsHEAD PHILIP·Filed 2011·Granted Oct 13, 2015·2 cites·15 claims
- 4164US7537055B2Method and apparatus for forming a window in a casing using a biasing armSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted May 26, 2009·29 cites·23 claims
- 4263US10801313B2Motor and pump partsCORETEQ SYSTEMS LTD·Filed 2016·Granted Oct 13, 2020·1 cites·11 claims
- 4363US7753129B2Wireline or coiled tubing deployed electric submersible pumpARTIFICIAL LIFT CO LTD·Filed 2008·Granted Jul 13, 2010·6 cites·16 claims
- 4462US7049506B2Conductor systemHEAD PHILIP·Filed 2002·Granted May 23, 2006·23 cites·3 claims
- 4561US11867011B2Borehole sand catcherFALLBACK LLC·Filed 2019·Granted Jan 9, 2024·1 cites·16 claims
- 4661US9546527B2Wet connection system for downhole equipmentACCESSESP UK LTD·Filed 2014·Granted Jan 17, 2017·1 cites·7 claims
- 4761US7134512B2Method of downhole drilling and apparatus thereforHEAD PHILIP·Filed 2003·Granted Nov 14, 2006·19 cites·20 claims
- 4861US6526818B1Seabed analysisXL TECHNOLOGY LTD·Filed 2000·Granted Mar 4, 2003·29 cites·11 claims
- 4960US6655453B2Telemetering systemXL TECHNOLOGY LTD·Filed 2001·Granted Dec 2, 2003·23 cites·9 claims
- 5060US5749676AMethod of accessing a sub sea well and a guide arrangement thereforFiled 1996·Granted May 12, 1998·34 cites·11 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →