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:
Nov. 16, 1993
Filed:
Jan. 19, 1993
Applicant:
Inventor:
Edward Jones, Jr, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137382 ; 251 90 ; 70177 ; 70179 ; 70185 ;
Abstract
A valve lock for valves wherein the valve stem is coupled to a valve actuator shaft and there is a spacing between the valve and valve actuator. A locking member is slidably receivable in the spacing and fixed against rotation so that a locking slot in the locking member engages a locking segment of the interconnected valve stem and valve actuator shaft. The locking member, in turn, can be releasably locked to prevent unauthorized or unintended use of the valve.