Invention Grant
- Patent Title: Pressurized seat check valve
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Application No.: US15622107Application Date: 2017-06-14
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Publication No.: US10472926B2Publication Date: 2019-11-12
- Inventor: Do Seo Park , Marc Samuelson , Zhi Yong He , Gregory Armstrong , Donavan Holland Brown
- Applicant: Do Seo Park , Marc Samuelson , Zhi Yong He , Gregory Armstrong , Donavan Holland Brown
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee: BAKER HUGHES, A GE COMPANY, LLC
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B34/08
- IPC: E21B34/08 ; F16K15/04 ; F16K15/02 ; F16K25/00 ; F16K25/04 ; F16K31/122

Abstract:
A pressurized seat check valve including a flexible frustoconical seat having a back surface configured for exposure to upstream pressure, a closure member in sealable communication with the seat, the closure member being biased into contact with the seat and, in use, the seat being deflected toward the closure member by the exposure to upstream pressure.
Public/Granted literature
- US20180363416A1 PRESSURIZED SEAT CHECK VALVE Public/Granted day:2018-12-20
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