Invention Grant
- Patent Title: Rotating flow head apparatus
- Patent Title (中): 旋转流头装置
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Application No.: US14173726Application Date: 2014-02-05
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Publication No.: US09435165B2Publication Date: 2016-09-06
- Inventor: William Anthony DeWesee, Jr. , Richard David Peer
- Applicant: Smith International, Inc.
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agent David J. Smith
- Main IPC: E21B23/00
- IPC: E21B23/00 ; E21B33/08
Abstract:
An apparatus comprises a mandrel having a longitudinal axis and further comprises a plurality of pivoting elements spaced apart along a circumference of a cross-section of the mandrel. Each of the pivoting elements is pivotable around a transversal axis that is perpendicular to the longitudinal axis.
Public/Granted literature
- US20140216721A1 ROTATING FLOW HEAD APPARATUS Public/Granted day:2014-08-07
Information query
