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. 12, 2011
Filed:
Dec. 18, 2008
Michael Wayne Berckenhoff, Spring, TX (US);
Eugene Charles Chauviere, Iii, Cypress, TX (US);
Dustin Dean Gass, Spring Branch, TX (US);
Michael Wayne Berckenhoff, Spring, TX (US);
Eugene Charles Chauviere, III, Cypress, TX (US);
Dustin Dean Gass, Spring Branch, TX (US);
Hydril USA Manufacturing LLC, Houston, TX (US);
Abstract
Methods and devices with biasing force for sealing a well. Such a device is a blowout preventer has a body including a cavity having first and second recesses, a ram block configured to move inside the cavity, a top seat provided in the first recess and configured to seal the well when the ram block is closed, a wear plate provided in the second recess and configured to contact the ram block when the ram block moves inside the cavity over the wear plate, and a biasing element provided inside the cavity and configured to apply a biasing force on at least one of the top seat, the ram block or the wear plate to increase the sealing of the well.