US Patent 7967299 Body to bonnet seal on a blowout preventer
Patent 7967299 was granted and assigned to National Oilwell Varco on June, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A seal comprises a metal seal ring with a first slanted mating surface for sealing engagement with a mating surface on a body and a second slanted mating surface for sealing engagement with a mating surface on a bonnet. The mating surfaces are the same angle as measured from the axis of the ram of the BOP. The seal also defines opposing slanting surfaces which provide a degree of flexure to the seal for sealing engagement. With the application of pressure on the inside surfaces of the seal, the mating surfaces are pressed even harder against the mating surfaces of the body and bonnet.
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Patent Inventor Names
Perry Lee McClanahan0
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US Patent 07967299 Body to bonnet seal on a blowout preventer US Patent 7967299 Body to bonnet seal on a blowout preventer
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Patent Number
07967299
Patent Number
7967299
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US Patent 07967299 Body to bonnet seal on a blowout preventer
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Is a
Current assignee
Patent jurisdiction
Patent number
07967299
Date of patent
June 28, 2011
Patent application number
12504183
Date Filed
July 16, 2009
Patent primary examiner
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