Invention Grant
- Patent Title: Self aligning mud saver valve seat
- Patent Title (中): 自调心补油阀座
-
Application No.: US12856186Application Date: 2010-08-13
-
Publication No.: US08490720B2Publication Date: 2013-07-23
- Inventor: Tace Parley Hart , Albert Augustus Mullins
- Applicant: Tace Parley Hart , Albert Augustus Mullins
- Agent Steve Rosenblatt
- Main IPC: E21B21/01
- IPC: E21B21/01 ; E21B34/00
Abstract:
A mud saver valve is constructed so that the valve seats self align preventing the loss of fluid when the valve is in the closed position. One or both seats can skew their longitudinal axes to get the alignment.
Public/Granted literature
- US20110036586A1 Self Aligning Mud Saver Valve Seat Public/Granted day:2011-02-17
Information query
