Patent · US Expired

Apparatus for coupling a tubular member to a preexisting structure

US7044221B2 · kind B2 · utility

31Cited by
476References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2002
Grant dateMay 16, 2006
Priority date
Expiry dateFeb 20, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/106
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An apparatus for coupling a tubular member to a preexisting structure.

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