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:
Oct. 15, 2019
Filed:
Nov. 01, 2017
Applicant:
Fisher Controls International Llc, Marshalltown, IA (US);
Inventors:
Steven Keith Hostetter, Coffax, IA (US);
Wesley Tyrel Ohrt, Ankeny, IA (US);
Assignee:
Fisher Control International LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/24 (2006.01); F16K 27/04 (2006.01); F16K 3/02 (2006.01); F16K 41/02 (2006.01); F16J 15/18 (2006.01);
U.S. Cl.
CPC ...
F16K 3/243 (2013.01); F16J 15/186 (2013.01); F16K 3/0227 (2013.01); F16K 27/041 (2013.01); F16K 41/02 (2013.01);
Abstract
An apparatus to identify proper loading for valve packing includes a packing follower for a fluid control valve. The packing follower has a cavity to receive a spring and at least a portion of a packing spacer. The apparatus also includes a first aperture disposed on an outer surface of the packing follower extending to the cavity to expose a portion of the spring.