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. 22, 2002
Filed:
Mar. 22, 2001
Applicant:
Inventor:
Semyon Fridlyand, Thornhill, CA;
Assignee:
Mueller Co., Decatur, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/506 ;
U.S. Cl.
CPC ...
F16K 3/506 ;
Abstract
A locking device for a ball valve of the type having an operating stem includes a post attached to the valve body with the post extending parallel but spaced axially from the valve stem and formed to receive a locking pin between the post and valve stem to prevent rotation of the stem.