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Matthew Shaw
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Montrose, GB
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last 30 patents
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Patent Grant
Downhole devices and associated apparatus and methods
Patent number
11,499,374
Issue date
Nov 15, 2022
NOV Downhole Eurasia Limited
Alastair Henry Walter Macfarlane
E21 - EARTH DRILLING MINING
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Patent Grant
Downhole tool activation
Patent number
9,482,066
Issue date
Nov 1, 2016
NOV Downhole Eurasia Limited
Alan MacKenzie
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Downhole Devices and Associated Apparatus and Methods
Publication number
20210087888
Publication date
Mar 25, 2021
NOV DOWNHOLE EURASIA LIMITED
Alastair Henry Walter Macfarlane
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Tool Activation
Publication number
20130192897
Publication date
Aug 1, 2013
NOV DOWNHOLE EURASIA LIMITED
Alan MacKenzie
E21 - EARTH DRILLING MINING