Inventor · disambiguated record
Alexander John Macgregor
Also filed as: MACGREGOR ALEXANDER JOHN
16 granted patents·85 citations·filing 2011–2023
92Inventor score
Files withAMERIFORGE GROUP INC7LEUCHTENBERG CHRISTIAN4MANAGED PRESSURE OPERATIONS4GRANT PRIDECO INC1
Top patents by PatentIndex Score
16 records- 0196US11008825B2Rotating control device for jackup rigsAMERIFORGE GROUP INC·Filed 2020·Granted May 18, 2021·12 cites·21 claims
- 0295US9212532B2Blowout preventer assemblyLEUCHTENBERG CHRISTIAN·Filed 2011·Granted Dec 15, 2015·20 cites·10 claims
- 0394US10995573B2Rotating control device for land rigsAMERIFORGE GROUP INC·Filed 2020·Granted May 4, 2021·7 cites·19 claims
- 0486US10605048B2Riser pressure relief apparatusMANAGED PRESSURE OPERATIONS·Filed 2016·Granted Mar 31, 2020·8 cites·27 claims
- 0585US9719310B2Connector assembly for connecting a hose to a tubularMANAGED PRESSURE OPERATIONS·Filed 2014·Granted Aug 1, 2017·16 cites·19 claims
- 0683US11619107B2Rotating control device for jackup rigsAMERIFORGE GROUP INC·Filed 2022·Granted Apr 4, 2023·1 cites·20 claims
- 0782US10246958B2Valve assemblyMANAGED PRESSURE OPERATIONS·Filed 2014·Granted Apr 2, 2019·9 cites·22 claims
- 0880US11248434B2Rotating control device for jackup rigsAMERIFORGE GROUP INC·Filed 2021·Granted Feb 15, 2022·1 cites·20 claims
- 0979US11339619B2Rotating control device for land rigsAMERIFORGE GROUP INC·Filed 2021·Granted May 24, 2022·1 cites·14 claims
- 1077US9605504B2Sealing assemblyLEUCHTENBERG CHRISTIAN·Filed 2011·Granted Mar 28, 2017·4 cites·17 claims
- 1175US11306550B2Seal condition monitoringAMERIFORGE GROUP INC·Filed 2020·Granted Apr 19, 2022·1 cites·22 claims
- 1275US11306551B2Seal condition monitoringAMERIFORGE GROUP INC·Filed 2020·Granted Apr 19, 2022·1 cites·10 claims
- 1373US9488031B2Blow out preventerLEUCHTENBERG CHRISTIAN·Filed 2012·Granted Nov 8, 2016·3 cites·32 claims
- 1464US10316607B2Pressure containment devicesMANAGED PRESSURE OPERATIONS·Filed 2015·Granted Jun 11, 2019·1 cites·14 claims
- 1553US12320208B2Hands-free gooseneck and hands-free gooseneck flow spoolGRANT PRIDECO INC·Filed 2023·Granted Jun 3, 2025·0 cites·6 claims
- 1641US9506300B2Slip joint and method of operating a slip jointLEUCHTENBERG CHRISTIAN·Filed 2012·Granted Nov 29, 2016·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →