Inventor · disambiguated record
Colin Walker
Also filed as: WALKER COLIN · WALKER COLIN A · WALKER COLIN ALEXANDER
33 granted patents·3,075 citations·filing 1975–2016
98Inventor score
Files withHALLIBURTON ENERGY SERV INC10SMART STABILIZER SYSTEMS LTD8BAROID TECHNOLOGY INC3NAT RES DEV2RUSSELL OIL EXPLORATION LTD2
Top patents by PatentIndex Score
33 records- 0198US6540785B1Artificial intervertebral joint permitting translational and rotational motionSDGI HOLDINGS INC·Filed 2000·Granted Apr 1, 2003·646 cites·33 claims
- 0298US6113637AArtificial intervertebral joint permitting translational and rotational motionSOFAMOR DANEK HOLDINGS INC·Filed 1998·Granted Sep 5, 2000·1.1k cites·30 claims
- 0397US7225879B2Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowellHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Jun 5, 2007·121 cites·74 claims
- 0497US6244361B1Steerable rotary drilling device and directional drilling methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Jun 12, 2001·300 cites·70 claims
- 0595US7571777B2Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowellHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Aug 11, 2009·50 cites·11 claims
- 0695US6581699B1Steerable drilling system and methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Jun 24, 2003·173 cites·96 claims
- 0794US8011446B2Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowellHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Sep 6, 2011·44 cites·13 claims
- 0891US9945190B2Articulating component of a downhole assembly, downhole steering assembly, and method of operating a downhole toolSmart Stabilizer Systems·Filed 2013·Granted Apr 17, 2018·25 cites·25 claims
- 0989US7510031B2Directional drilling controlRUSSELL OIL EXPLORATION LTD·Filed 2007·Granted Mar 31, 2009·40 cites·10 claims
- 1088US10253584B2Torque control device for a downhole drilling assemblySMART STABILIZER SYSTEMS LTD·Filed 2016·Granted Apr 9, 2019·5 cites·13 claims
- 1188US5311953ADrill bit steeringBAROID TECHNOLOGY INC·Filed 1992·Granted May 17, 1994·118 cites·33 claims
- 1286US4322162AMethod and apparatus for sensing in-plane deformation of a surfaceNAT RES DEV·Filed 1979·Granted Mar 30, 1982·36 cites·37 claims
- 1385US9347279B2Torque control device for a downhole drilling assemblySMART STABILIZER SYSTEMS LTD·Filed 2013·Granted May 24, 2016·8 cites·21 claims
- 1482US7147066B2Steerable drilling system and methodHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Dec 12, 2006·47 cites·70 claims
- 1582US6328119B1Adjustable gauge downhole drilling assemblyHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Dec 11, 2001·93 cites·39 claims
- 1675US7543658B2Directional drilling controlRUSSELL OIL EXPLORATION LTD·Filed 2007·Granted Jun 9, 2009·16 cites·15 claims
- 1774US8562682B2Artificial intervertebral joint permitting translational and rotational motionGILL STEVEN·Filed 2009·Granted Oct 22, 2013·11 cites·20 claims
- 1874US6948572B2Command method for a steerable rotary drilling deviceHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Sep 27, 2005·45 cites·49 claims
- 1973US6340063B1Steerable rotary directional drilling methodHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Jan 22, 2002·35 cites·26 claims
- 2073US5535835AStraight/directional drilling deviceBAROID TECHNOLOGY INC·Filed 1993·Granted Jul 16, 1996·55 cites·10 claims
- 2172US7621343B2Steerable drilling system and methodHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Nov 24, 2009·9 cites·73 claims
- 2269US9624728B2Controllable deflection housing, downhole steering assembly and method of useSMART STABILIZER SYSTEMS LTD·Filed 2013·Granted Apr 18, 2017·3 cites·11 claims
- 2364US8206399B2Artificial intervertebral joint permitting translational and rotational motionGILL STEVEN S·Filed 2003·Granted Jun 26, 2012·18 cites·35 claims
- 2459US4474466AMeasurement of deformationNAT RES DEV·Filed 1982·Granted Oct 2, 1984·15 cites·8 claims
- 2558US7503408B2Steering assembly and steering componentSMART STABILIZER SYSTEMS LTD·Filed 2007·Granted Mar 17, 2009·5 cites·9 claims
- 2656US8051928B2Downhole assembly and cutter assemblySMART STABILIZER SYSTEMS LTD·Filed 2010·Granted Nov 8, 2011·1 cites·11 claims
- 2751US8176999B2Steerable drill bit arrangementSTROUD DARYL RICHARD HENRY·Filed 2005·Granted May 15, 2012·6 cites·14 claims
- 2850US5090496ADown-hole bent motor housingsBAROID TECHNOLOGY INC·Filed 1991·Granted Feb 25, 1992·23 cites·20 claims
- 2949US8556002B2Steering component, steering assembly and method of steering a drill bit in a boreholeSMART STABILIZER SYSTEMS LTD·Filed 2012·Granted Oct 15, 2013·0 cites·16 claims
- 3047US3976381AMethod of deformation measurementWALKER COLIN ALEXANDER·Filed 1975·Granted Aug 24, 1976·11 cites·2 claims
- 3145US8286732B2Steering component, steering assembly and method of steering a drill bit in a boreholeWALKER COLIN·Filed 2009·Granted Oct 16, 2012·4 cites·16 claims
- 3245US7766102B2Downhole assembly and cutter assemblySMART STABILIZER SYSTEMS LTD·Filed 2007·Granted Aug 3, 2010·1 cites·6 claims
- 3344US9834994B2Apparatus and method for controlling a part of a downhole assembly, and a downhole assemblySMART STABILIZER SYSTEMS LTD·Filed 2013·Granted Dec 5, 2017·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →