Invention Grant
- Patent Title: Plug and method of unplugging a seat
- Patent Title (中): 插头和拔下座椅的方法
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Application No.: US12947048Application Date: 2010-11-16
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Publication No.: US08573295B2Publication Date: 2013-11-05
- Inventor: Michael H. Johnson , Zhiyue Xu
- Applicant: Michael H. Johnson , Zhiyue Xu
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B33/12
- IPC: E21B33/12 ; E21B29/02
Abstract:
A method of unplugging a seat, including dissolving at least a surface of a plug seated against the seat, and unseating the plug from the seat.
Public/Granted literature
- US20120118583A1 PLUG AND METHOD OF UNPLUGGING A SEAT Public/Granted day:2012-05-17
Information query
