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:
Jan. 02, 1979
Filed:
Oct. 13, 1976
Applicant:
Inventor:
Frank M Iannelli, Spartanburg, SC (US);
Assignee:
Tannetics, Inc., Erie, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137102 ; 137512 ; 13751215 ; 137854 ;
Abstract
A flow control device is provided for delivering a fluid flow in one direction only while providing for venting of a backflow of fluid in an opposite direction wherein a plurality of self-contained check valve units are slideably received in an elongated housing with one of the check valve units additionally functioning to control the venting of the back flow through an opening formed in the housing wall.