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:
May. 25, 1976
Filed:
Dec. 09, 1974
Applicant:
Inventors:
John Bannon, Rowayton, CT (US);
Steve Goldman, Monsey, NY (US);
Richard A Lametto, Norwalk, CT (US);
Assignee:
The Nash Engineering Company, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
138 43 ; 137517 ;
Abstract
A movable diaphragm liquid flow control valve in which a retaining member is disposed in the housing upstream of the diaphragm so that when a back-flow occurs the diaphragm is prevented from blowing back along the pipework, within which the valve is disposed, and is guided to prevent it from tilting.