Inventor · disambiguated record
David Stewart
Also filed as: STEWART DAVID · STEWART DAVID WILLIAM
4 granted patents·4 pending applications·2 citations·filing 2011–2025
58Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0186US12338701B2In or relating to well abandonment and slot recoveryARDYNE HOLDINGS LTD·Filed 2022·Granted Jun 24, 2025·1 cites·15 claims
- 0283US2025290380A1Method for Casing RecoveryARDYNE HOLDINGS LTD·Filed 2025·Application pending·0 cites
- 0381US11840902B2Well abandonmentARDYNE HOLDINGS LTD·Filed 2022·Granted Dec 12, 2023·1 cites·19 claims
- 0478US2025230723A1Methods and Apparatus for Casing RecoveryARDYNE HOLDINGS LTD·Filed 2025·Application pending·0 cites
- 0540US11946330B2Or relating to well abandonment and slot recoveryARDYNE HOLDINGS LTD·Filed 2020·Granted Apr 2, 2024·0 cites·20 claims
- 0639US11230899B2Well abandonment and slot recoveryARDYNE HOLDINGS LTD·Filed 2018·Granted Jan 25, 2022·0 cites·19 claims
- 0737US2016251931A1Riserless completionsSHELL OIL CO·Filed 2014·Application pending·0 cites
- 0830US2013087090A1Subsea completions and well interventions using a vessel of opportunityCOOK ROBERT LANCE·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →