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:
Oct. 22, 1985
Filed:
Dec. 14, 1983
Applicant:
Inventor:
Thomas M Bogenschutz, Clayton, NY (US);
Assignee:
General Signal Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762522 ; 251315 ;
Abstract
A ball valve is disclosed in which, in the closed position of the valve, a vent passage (74) extends through the ball element (22) and communicates with a further vent passage (58, 60, 62) extending through an annular seal (28) and the body (12) of the valve. See FIG. 1.