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. 15, 2008
Filed:
Apr. 03, 2006
Applicants:
Gary Allen Tatum, Houston, TX (US);
Thomas Henry Loga, Sugar Land, TX (US);
Inventors:
Gary Allen Tatum, Houston, TX (US);
Thomas Henry Loga, Sugar Land, TX (US);
Assignee:
Daniel Industries, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for sealing an aperture that provides fluid communication between a second and first chamber of a dual chamber orifice fitting. A sealing assembly comprises a closure member that is rotatably moveable between an open and closed position relative to the aperture. A secondary seal is disposed within a recessed portion on a sealing face of the closure member. The recessed portion has a perimeter defined by a shoulder A primary seal is disposed within a groove formed between the shoulder and the secondary seal.