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Vallourec Drilling Products USA, Inc.
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Shale drill pipe
Patent number
9,222,314
Issue date
Dec 29, 2015
Vallourec Drilling Products USA, Inc.
Mazhar Mahmood
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
86129168 - CRUSHFREE
Serial number
86129168
Registration number
4800389
Filing date
Nov 26, 2013
Vallourec Drilling Products USA, Inc.
6 - Common metals and their alloys