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Aberdeen, GB
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Patents Grants
last 30 patents
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Patent Grant
Flapper valve for use in downhole applications
Patent number
7,789,156
Issue date
Sep 7, 2010
Renovus Limited
Giancarlo Pietro Tomasso Pia
E21 - EARTH DRILLING MINING
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Patent Grant
Downhole tool
Patent number
5,890,540
Issue date
Apr 6, 1999
Renovus Limited
Giancarlo Tomasso Pietro Pia
E21 - EARTH DRILLING MINING
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Patents Applications
last 30 patents
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Patent Application
Valve
Publication number
20070215361
Publication date
Sep 20, 2007
Renovus Limited
Giancarlo Pietro Tomasso Pia
E21 - EARTH DRILLING MINING