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.

Date of Patent:
Jun. 03, 2008

Filed:

Oct. 08, 2004
Applicants:

Nicholas Atkins, Aberdeen, AB31 6HY, Scotland, GB;

Phillip Egleton, Aboyne, Aberdeen, Scotland, GB;

Craig Spalding, Altens, Aberdeen AB12 3LE, Scotland, GB;

Inventors:

Nicholas Atkins, Aberdeen, AB31 6HY, Scotland, GB;

Phillip Egleton, Aboyne, Aberdeen, Scotland, GB;

Craig Spalding, Altens, Aberdeen AB12 3LE, Scotland, GB;

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/126 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pressure control device for mounting on a mandrel includes a flexible cup member, a rigid support member and an anti extrusion portion of greater hardness than the cup member located at an outer portion of the cup member. The cup member is bonded only to selected areas of the anti extrusion portion and the support member, thereby permitting relative movement between other areas of contact.


Find Patent Forward Citations

Atkins, Nicholas. (2008). Pressure control tool for modluating pressure in a portion of a wellbore (U.S. Patent No. 7380592). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7380592

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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