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. 08, 2003
Filed:
Aug. 28, 2001
Applicant:
Inventor:
Kevin B. Kline, Whitefish Bay, WI (US);
Assignee:
Lawler Manufacturing Co., Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/120 ; F16K 1/518 ;
U.S. Cl.
CPC ...
F16K 1/120 ; F16K 1/518 ;
Abstract
Check valves for use in fluid conducting structures such as thermostatic mixing valves are provided. Illustratively, the fluid conducting structure provides a passageway defining an axis, and the check valve comprises a cap coupled to the structure, a seat disposed in the passageway and spaced apart from the cap, a valve member axially movable between a sealed position engaging the seat and an opened position spaced apart from the seat, and a spring urging the valve member to engage the seat, the spring being coupled to the valve member and the cap.