Patent · US Active

Tubing expansion

US8075813B2 · kind B2 · utility

0Cited by

36References

27Claims

0Family size

Assignee

Weatherford/Lamb, Inc. · US

Inventors

David Stephenson · San Mateo, US
Grant Adams · Harrisburg, US
David Grant · Santa Rosa, US
Neil Andrew Abercrombie Simpson · Aberdeen, GB

Key dates

Filing date	Dec 5, 2006
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Jun 10, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49908
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A tubing expansion device is adapted to be advanced axially, without rotation, through tubing to be expanded. The device comprises a body and a plurality of expansion members mounted on the body, the expansion members being independently radially movable. The expansion members may be rotatable, or may be non-rotating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.