Inventor · disambiguated record
Alexander Craig Mackay
Also filed as: MACKAY ALEXANDER · MACKAY ALEXANDER CRAIG
30 granted patents·5 pending applications·384 citations·filing 2001–2023
97Inventor score
Files withWEATHERFORD LAMB17DOWNHOLE PRODUCTS LTD9AUDIOVOX CORP2ENGINEERING INNOVATION & DESIGN LTD2NCHAIN LICENSING AG1
Top patents by PatentIndex Score
35 records- 0188US7757787B2Drilling and hole enlargement deviceSMITH INTERNATIONAL·Filed 2007·Granted Jul 20, 2010·34 cites·20 claims
- 0282US6655459B2Completion apparatus and methods for use in wellboresWEATHERFORD LAMB·Filed 2001·Granted Dec 2, 2003·44 cites·47 claims
- 0380US11203902B2Guide shoe with lockable noseDOWNHOLE PRODUCTS LTD·Filed 2019·Granted Dec 21, 2021·3 cites·13 claims
- 0479US11286729B2Slimline stop collarDOWNHOLE PRODUCTS LTD·Filed 2019·Granted Mar 29, 2022·3 cites·13 claims
- 0578US11920432B2Toe valve with vented atmospheric chamberDOWNHOLE PRODUCTS LTD·Filed 2020·Granted Mar 5, 2024·1 cites·20 claims
- 0678US11428073B2Overpressure toe valve with atmospheric chamberDOWNHOLE PRODUCTS LTD·Filed 2019·Granted Aug 30, 2022·2 cites·20 claims
- 0778US7367404B2Tubing sealWEATHERFORD LAMB·Filed 2004·Granted May 6, 2008·23 cites·29 claims
- 0875USD542271SSpeaker enclosureAUDIOVOX CORP·Filed 2005·Granted May 8, 2007·25 cites·1 claims
- 0973US7377325B2CentraliserWEATHERFORD LAMB·Filed 2004·Granted May 27, 2008·39 cites·32 claims
- 1072US7172027B2Expanding tubingWEATHERFORD LAMB·Filed 2003·Granted Feb 6, 2007·38 cites·30 claims
- 1169US6896052B2Expanding tubingWEATHERFORD LAMB·Filed 2002·Granted May 24, 2005·32 cites·87 claims
- 1267US7219745B2Completion apparatus and methods for use in wellboresWEATHERFORD LAMB·Filed 2005·Granted May 22, 2007·6 cites·18 claims
- 1362US12012812B2Dual flow converted auto-fill float valveDOWNHOLE PRODUCTS LTD·Filed 2022·Granted Jun 18, 2024·0 cites·15 claims
- 1461US7077210B2Expansion methodWEATHERFORD LAMB·Filed 2003·Granted Jul 18, 2006·23 cites·41 claims
- 1559US12270262B2Float equipment for use with composite casing or liner stringDOWNHOLE PRODUCTS LTD·Filed 2023·Granted Apr 8, 2025·0 cites·7 claims
- 1658US6971450B2Completion apparatus and methods for use in wellboresWEATHERFORD LAMB·Filed 2003·Granted Dec 6, 2005·13 cites·20 claims
- 1755US7086480B2Tubing anchorWEATHERFORD LAMB·Filed 2003·Granted Aug 8, 2006·15 cites·61 claims
- 1854US12312879B2Rasping shoe for non-rotational deployment of casing stringDOWNHOLE PRODUCTS LTD·Filed 2023·Granted May 27, 2025·0 cites·13 claims
- 1954US7370708B2Seal arrangementWEATHERFORD LAMB·Filed 2004·Granted May 13, 2008·19 cites·54 claims
- 2050US7322420B2Tubing expansionWEATHERFORD LAMB·Filed 2004·Granted Jan 29, 2008·14 cites·93 claims
- 2150US7090024B2Tubing anchorWEATHERFORD LAMB·Filed 2003·Granted Aug 15, 2006·11 cites·73 claims
- 2249US11486228B2Resettable toe valveDOWNHOLE PRODUCTS LTD·Filed 2019·Granted Nov 1, 2022·0 cites·16 claims
- 2349US7140444B2Downhole cutting tool and methodWEATHERFORD LAMB·Filed 2003·Granted Nov 28, 2006·10 cites·38 claims
- 2448USD542270SSpeaker enclosureAUDIOVOX CORP·Filed 2005·Granted May 8, 2007·8 cites·1 claims
- 2548US2022292489A1Methods and devices for tracking and measuring proof-of-work contributions in a mining poolNCHAIN LICENSING AG·Filed 2020·Application pending·0 cites
- 2647US11788360B2Wellbore reamerENGINEERING INNOVATION & DESIGN LTD·Filed 2019·Granted Oct 17, 2023·0 cites·17 claims
- 2746US7073602B2Tubing injectorWEATHERFORD LAMB·Filed 2001·Granted Jul 11, 2006·8 cites·21 claims
- 2846US6820687B2Auto reversing expanding roller systemWEATHERFORD LAMB·Filed 2002·Granted Nov 23, 2004·9 cites·59 claims
- 2945US2021025245A1Deployable casing centraliser with latch for bow springsDOWNHOLE PRODUCTS LTD·Filed 2019·Application pending·0 cites
- 3044US7481272B2Completion apparatus and methods for use in wellboresWEATHERFORD LAMB·Filed 2007·Granted Jan 27, 2009·0 cites·20 claims
- 3142US12031381B2Service connectorENGINEERING INNOVATION & DESIGN LTD·Filed 2019·Granted Jul 9, 2024·0 cites·14 claims
- 3242US7140442B2Tubing injectorWEATHERFORD LAMB·Filed 2003·Granted Nov 28, 2006·4 cites·35 claims
- 3340US2003075340A1Lubricant for use in a wellboreFiled 2001·Application pending·0 cites
- 3438US2002175474A1Tubing sealFiled 2002·Application pending·0 cites
- 3534US2002007950A1ValvesFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →