US Patent 7121295 Internal blow out preventer ball and seat
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Patent abstract
An internal blow out preventer is provided that includes a ball valve including a tubular assembly having a central passageway with upper and lower seats mounted therein. A ball is rotatably received between the upper and lower seats and includes an external surface and a central opening, wherein the central opening includes an undercut. A protective coating is applied to both the external surface and the undercut of the ball.
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US Patent 07121295 Internal blow out preventer ball and seat US Patent 7121295 Internal blow out preventer ball and seat
Infobox
Patent Number
0712129500
Patent Number
712129500
Edits on 27 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
071212950
Date of Patent
October 17, 2006
0Patent Application Number
109714680
Date Filed
October 21, 2004
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
071212950
Date of Patent
October 17, 2006
0Patent Application Number
109714680
Date Filed
October 21, 2004
0Official Website
Patent Primary Examiner
Edits on 7 Jun, 2022
Golden AI
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Edits on 18 Nov, 2021
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US Patent 07121295 Internal blow out preventer ball and seat
Infobox
Is a
Patent jurisdiction
Patent number
07121295
Date of patent
October 17, 2006
Patent application number
10971468
Date Filed
October 21, 2004
Patent primary examiner
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