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:
May. 30, 2006
Filed:
Apr. 30, 2004
Applicants:
Frank Benjamin Springett, Houston, TX (US);
Dean Allen Bennett, Katy, TX (US);
Inventors:
Frank Benjamin Springett, Houston, TX (US);
Dean Allen Bennett, Katy, TX (US);
Assignee:
Varco I/P, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/00 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blowout preventer which, in certain aspects, has a main body and ram block holding apparatus releasably secured to and movable with respect to the main body and/or to a door or bonnet, movable ram apparatus within the body including a ram block, the ram block holding apparatus positioned for selective engagement of and support of the ram block and for moving the ram block away from the body.