Invention Grant
- Patent Title: Lockout for hydraulic rotary valve in control system for oil well blow-out preventer
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Application No.: US16434894Application Date: 2019-06-07
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Publication No.: US10934801B2Publication Date: 2021-03-02
- Inventor: Joseph O. Beard , Frode Sveen , Douglas W. Beard
- Applicant: PacSeal Group, Inc.
- Applicant Address: US CA Brea
- Assignee: PacSeal Group, Inc.
- Current Assignee: PacSeal Group, Inc.
- Current Assignee Address: US CA Brea
- Agency: Knobbe, Martens, Olson & Bear, LLP
- Main IPC: E21B33/06
- IPC: E21B33/06 ; E21B34/02 ; E21B21/08 ; F16K31/60
Abstract:
A locking handle assembly for a rotary valve used in a hydraulic control system for a blow-out preventer used in oil and gas wells.
Information query
