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:
Jul. 24, 2012
Filed:
Nov. 25, 2009
David A. Dietz, Jr., Tomball, TX (US);
Greg Landthrip, Katy, TX (US);
David A. Dietz, Jr., Tomball, TX (US);
Greg Landthrip, Katy, TX (US);
Hydril USA Manufacturing LLC, Houston, TX (US);
Abstract
Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting the second chamber; first and second ram blocks configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; first and second rods connected to the first and second ram blocks, respectively, and configured to extend along the first chamber; first and second bonnets partially covering first and second rods, respectively, the bonnets being detachably attached to the body; and first and second stroke limiting devices configured to pierce through end parts of the first and second bonnets and limit a stroke of the first and second rods by a predetermined amount.