The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2005
Filed:
Mar. 09, 2001
Applicants:
Ian Alastair Kirk, Aberdeen, GB;
William Barron, Aberdeen, GB;
Allstair Bertram Clark, Aberdeen, GB;
Arron Rimmer, West Midlands, GB;
Barry Newton, Oxon, GB;
Inventors:
Ian Alastair Kirk, Aberdeen, GB;
William Barron, Aberdeen, GB;
Allstair Bertram Clark, Aberdeen, GB;
Arron Rimmer, West Midlands, GB;
Barry Newton, Oxon, GB;
Assignee:
Downhole Products, PLC, Aberdeen, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1710 ;
U.S. Cl.
CPC ...
Abstract
A centralizer for use in centralizing casing or other tubulars such as tubulars in an oil or gas well comprising an annular body with a bore extending through the body and one or more blades, the centralizer being adapted to fit around a tubular to be centralized, and comprising a tempered metal such as austemperized ductile iron (ADI).