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Robert Brian Luher
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Mission Viejo, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Top drive systems with main shaft deflecting sensing
Patent number
7,784,565
Issue date
Aug 31, 2010
National-Oilwell Varco, L.P.
Lawrence E. Wells
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Top drive systems with main shaft deflecting sensing
Publication number
20100065336
Publication date
Mar 18, 2010
Lawrence E. Wells
E21 - EARTH DRILLING MINING