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:
Apr. 26, 1994
Filed:
Apr. 30, 1993
Applicant:
Inventors:
Richard J Fendley, Seabrook, TX (US);
Linda M White, Friendswood, TX (US);
James R Meyer, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ;
U.S. Cl.
CPC ...
251 85 ; 251 86 ; 251298 ; 251356 ; 251359 ;
Abstract
An improved valve of the flapper plate type is disclosed, the valve comprising at least one flexible member for connecting the flapper plate and the arm actuating the flapper. The flexible member absorbs impact energy and allows restricted three dimensional movement of the flapper plate. The seals for the flapper plate and the seat comprise electrically conductive sealing materials.