Inventor · disambiguated record
David L. Ford
Also filed as: FORD DAVID · FORD DAVID L · FORD DAVID LAWRENCE
46 granted patents·7 pending applications·463 citations·filing 1987–2023
98Inventor score
Files withVETCO GRAY INC30VETCO GRAY INC ABB4BAKER HUGHES OILFIELD OPERATIONS LLC2CAMERON IRON WORKS INC2FORD DAVID L2
Top patents by PatentIndex Score
53 records- 0189US10184311B2Wellhead seal assembly with lockdown and slotted arrangementVETCO GRAY INC·Filed 2015·Granted Jan 22, 2019·7 cites·18 claims
- 0287US5456314AWellhead annulus sealVETCO GRAY INC ABB·Filed 1994·Granted Oct 10, 1995·110 cites·15 claims
- 0385US9708865B2Ratcheting anti-rotation lock for threaded connectorsVETCO GRAY INC·Filed 2012·Granted Jul 18, 2017·9 cites·7 claims
- 0483US8978772B2Casing hanger lockdown with conical lockdown ringYATES CHAD ERIC·Filed 2011·Granted Mar 17, 2015·9 cites·20 claims
- 0582US8851194B2Seal with bellows style nose ringFORD DAVID L·Filed 2011·Granted Oct 7, 2014·12 cites·17 claims
- 0682US7150323B2Shoulder ring set on casing hanger tripVETCO GRAY INC·Filed 2005·Granted Dec 19, 2006·22 cites·19 claims
- 0780US7140815B2Drill for making flat bottom holeKENNAMETAL INC·Filed 2003·Granted Nov 28, 2006·24 cites·10 claims
- 0879US9765588B2High strength inlay to improve lock-down capacity in a wellheadVETCO GRAY INC·Filed 2014·Granted Sep 19, 2017·6 cites·15 claims
- 0979US9410647B2Anti-rotation system for box and pin connectionVETCO GRAY INC·Filed 2013·Granted Aug 9, 2016·6 cites·20 claims
- 1079US7832966B2Drill for making flat bottom holeKENNAMETAL INC·Filed 2006·Granted Nov 16, 2010·12 cites·28 claims
- 1178US10900316B2Wellhead seal with pressure energizing from belowVETCO GRAY INC·Filed 2016·Granted Jan 26, 2021·3 cites·17 claims
- 1277US9169711B2Slotted metal sealVETCO GRAY INC·Filed 2012·Granted Oct 27, 2015·6 cites·20 claims
- 1377US8950785B2Broach style anti rotation device for connectorsVETCO GRAY INC·Filed 2012·Granted Feb 10, 2015·7 cites·20 claims
- 1473US10138698B2External locking mechanism for seal energizing ringVETCO GRAY INC·Filed 2015·Granted Nov 27, 2018·2 cites·20 claims
- 1573US8925639B2Seal with bellows style nose ring and radially drivable lock ringsBENSON DANIEL CALEB·Filed 2011·Granted Jan 6, 2015·6 cites·20 claims
- 1671US8851183B2Casing hanger lockdown slip ringYATES CHAD ERIC·Filed 2011·Granted Oct 7, 2014·4 cites·20 claims
- 1770US7900706B2Shoulder ring set on casing hanger tripVETCO GRAY INC·Filed 2006·Granted Mar 8, 2011·11 cites·20 claims
- 1868US12055006B2Subsea casing hanger running tool with anti-rotation feature and method for rotating casing into complex and deviated wellboresBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Granted Aug 6, 2024·0 cites·18 claims
- 1967US9476262B2Wear bushing with hanger lockdownVETCO GRAY INC·Filed 2014·Granted Oct 25, 2016·3 cites·15 claims
- 2067US6719044B2Wear bushing running and retrieval toolsVETCO GRAY INC ABB·Filed 2001·Granted Apr 13, 2004·37 cites·8 claims
- 2166US7798231B2Adapter sleeve for wellhead housingVETCO GRAY INC·Filed 2006·Granted Sep 21, 2010·9 cites·15 claims
- 2265US9797214B2Casing hanger shoulder ring for lock ring supportVETCO GRAY INC·Filed 2014·Granted Oct 24, 2017·2 cites·19 claims
- 2364US9074448B2Pin-actuated lock ring arrangementGETTE NICHOLAS PETER·Filed 2012·Granted Jul 7, 2015·2 cites·17 claims
- 2462US9175537B2Semi-rigid lockdown deviceVETCO GRAY INC·Filed 2012·Granted Nov 3, 2015·3 cites·14 claims
- 2562US6749018B1Bit run and retrieval wear bushing and toolVETCO GRAY INC ABB·Filed 2000·Granted Jun 15, 2004·33 cites·19 claims
- 2661US7975771B2Method for running casing while drilling systemVETCO GRAY INC·Filed 2007·Granted Jul 12, 2011·6 cites·19 claims
- 2761US4791796ATool for cold forging tubular membersCAMERON IRON WORKS INC·Filed 1987·Granted Dec 20, 1988·14 cites·7 claims
- 2860US5791418ATools for shallow flow wellhead systemsVETCO GRAY INC ABB·Filed 1996·Granted Aug 11, 1998·41 cites·20 claims
- 2959US11555370B2Subsea casing hanger running tool with anti-rotation feature and method for rotating casing into complex and deviated wellboresBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Jan 17, 2023·0 cites·7 claims
- 3059US9695662B2Method and system for retaining a lock ring on a casing hangerVETCO GRAY INC·Filed 2014·Granted Jul 4, 2017·1 cites·17 claims
- 3159US8955583B2Subsea multiple annulus sensorRAYNAL JEFFREY A·Filed 2012·Granted Feb 17, 2015·3 cites·20 claims
- 3259US8066064B2Well assembly having a casing hanger supported by a load member actuated by a retractable member disposed in the wellheadMINASSIAN MARC·Filed 2008·Granted Nov 29, 2011·7 cites·19 claims
- 3358US8074724B2Bit-run nominal seat protector and method of operating sameMINASSIAN MARC·Filed 2009·Granted Dec 13, 2011·7 cites·22 claims
- 3456US10094192B2Wickers with trapped fluid recesses for wellhead assemblyVETCO GRAY INC·Filed 2016·Granted Oct 9, 2018·1 cites·17 claims
- 3556US6945325B2Run and retrieval wear bushing and toolVETCO GRAY INC·Filed 2003·Granted Sep 20, 2005·20 cites·23 claims
- 3649US10822907B2Wellbore seal energizing ring with retaining featureVETCO GRAY LLC·Filed 2019·Granted Nov 3, 2020·0 cites·19 claims
- 3749US10174574B2Insert for use with wellhead housing having flow-by pathVETCO GRAY INC·Filed 2014·Granted Jan 8, 2019·0 cites·17 claims
- 3848US8360147B2Location-and-rotation feedback tool for subsea wellheads and method of operating sameVETCO GRAY INC·Filed 2009·Granted Jan 29, 2013·1 cites·14 claims
- 3947US9982503B2Wellhead metal seal with energizing ring having trapped fluid reliefsVETCO GRAY INC·Filed 2016·Granted May 29, 2018·0 cites·20 claims
- 4047US4784222AWellhead sealing assemblyCAMERON IRON WORKS INC·Filed 1987·Granted Nov 15, 1988·17 cites·8 claims
- 4146US10508505B2Flow-by holes with gallery and channel arrangement on wellhead and tubular hangerVETCO GRAY INC·Filed 2014·Granted Dec 17, 2019·0 cites·19 claims
- 4245US11717103B2HangerFord Invest Pty Ltd·Filed 2018·Granted Aug 8, 2023·0 cites·12 claims
- 4345US9797215B2Ratcheted E-ring retention deviceVETCO GRAY INC·Filed 2014·Granted Oct 24, 2017·0 cites·16 claims
- 4445US9732582B2Wellbore sealing with hybrid wicker systemVETCO GRAY INC·Filed 2014·Granted Aug 15, 2017·0 cites·17 claims
- 4545US2016076328A1Seal With Soft Material InlayVETCO GRAY INC·Filed 2014·Application pending·0 cites
- 4644US9115561B2Load enhanced locking arrangementGETTE NICHOLAS PETER·Filed 2012·Granted Aug 25, 2015·0 cites·12 claims
- 4742US2012186821A1Location-and-rotation feedback tool for subsea wellheads and method of operating sameFORD DAVID L·Filed 2012·Application pending·0 cites
- 4841US10233711B2Wellbore seal energizing ring with retaining featureVETCO GRAY INC·Filed 2015·Granted Mar 19, 2019·0 cites·20 claims
- 4941US2014183824A1Seal with flexible nose for use with a lock-down ring on a hanger in a wellboreVETCO GRAY INC·Filed 2012·Application pending·0 cites
- 5041US2014238699A1Wellhead annulus seal having a wickered surfaceVETCO GRAY INC·Filed 2013·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when David L. Ford files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →