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. 24, 1994
Filed:
Jul. 14, 1993
Applicant:
Inventors:
Frank J Raymond, Jr, Houston, TX (US);
John R Dernovsek, Cypress, TX (US);
Assignee:
Bray International, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251305 ; 251306 ; 251214 ;
Abstract
There is disclosed a butterfly valve having a disc whose stem portions on its opposite ends are closely received within openings in opposite faces of the disc and a seat in the body of the valve. A seal assembly is mounted between the faces in surrounding relation to the stem portions so as to prevent the entry of line fluid into the openings.