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:
Jun. 26, 2012
Filed:
Dec. 04, 2009
Applicant:
Christopher A. Branton, Bossier City, LA (US);
Inventor:
Christopher A. Branton, Bossier City, LA (US);
Assignee:
Branton Tools L.L.C., Bossler City, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/129 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bridge plug or packer assembly includes a mandrel; at least one sealing element provided on the mandrel; a pair of backup rings each having a plurality of spiral ring grooves provided on the mandrel on respective sides of the at least one sealing element; and a pair of pressure-applying elements provided on the mandrel on respective sides of the pair of backup rings, respectively.