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:
Dec. 16, 2014
Filed:
Jan. 03, 2013
Applicant:
Emerson Process Management Regulator Technologies, Inc., McKinney, TX (US);
Inventors:
James L. Griffin, Jr., McKinney, TX (US);
Matthew W. Hanusa, McKinney, TX (US);
Thomas L. Weyer, Jr., McKinney, TX (US);
Daniel G. Roper, Lucas, TX (US);
Harold J. McKinney, Durant, OK (US);
Assignee:
Emerson Process Management Regulator Technologies, Inc., McKinney, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 47/08 (2006.01); F16K 3/26 (2006.01); G05D 7/01 (2006.01); F16K 47/04 (2006.01);
U.S. Cl.
CPC ...
F16K 47/04 (2013.01); F16K 47/08 (2013.01);
Abstract
A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.