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:
Apr. 23, 2013
Filed:
Apr. 15, 2009
Applicant:
Terry R. Bussear, Spring, TX (US);
Inventor:
Terry R. Bussear, Spring, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotationally actuated flapper valve including a flapper; a sinuous edge perimetrically about the flapper; and a congruous sinuous edge disposed at another component of the valve, the component being rotatable to misalign the congruous sinuous edge with the sinuous edge of the flapper whereby the flapper is urged out of a closed position and method.