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David Stewart
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Aberdeen, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Or relating to well abandonment and slot recovery
Patent number
11,946,330
Issue date
Apr 2, 2024
ARDYNE HOLDINGS LIMITED
David Stewart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well abandonment
Patent number
11,840,902
Issue date
Dec 12, 2023
ARDYNE HOLDINGS LIMITED
Alan Fairweather
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well abandonment and slot recovery
Patent number
11,230,899
Issue date
Jan 25, 2022
ARDYNE HOLDINGS LIMITED
David Stewart
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Improvements In Or Relating To Well Abandonment and Slot Recovery
Publication number
20240309718
Publication date
Sep 19, 2024
Ardyne Holdings Limited
Alan Fairweather
E21 - EARTH DRILLING MINING
Information
Patent Application
Well Abandonment
Publication number
20220333454
Publication date
Oct 20, 2022
Ardyne Holdings Limited
Alan Fairweather
E21 - EARTH DRILLING MINING
Information
Patent Application
Improvements In Or Relating To Well Abandonment and Slot Recovery
Publication number
20220220820
Publication date
Jul 14, 2022
Ardyne Holdings Limited
David Stewart
E21 - EARTH DRILLING MINING
Information
Patent Application
Improvements In Or Relating To Well Abandonment and Slot Recovery
Publication number
20210032948
Publication date
Feb 4, 2021
Ardyne Holdings Limited
David Stewart
E21 - EARTH DRILLING MINING