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. 31, 1977
Filed:
Jan. 16, 1976
Applicant:
Inventors:
David Campbell King, Amherstview, CA;
John Anthony Kendall, Gananoque, CA;
Assignee:
Du Pont of Canada Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137605 ; 137238 ; 137608 ;
Abstract
A valve for injecting or ejecting fluid to or from a fluid stream flowing in a pipe includes a valve body connected between abutting flanges in the pipe. The body has a through passage intersecting the pipe with seating assemblies located in each end of the through passage which cooperate with a stem assembly to provide communication between a port, the valve body and the pipe.