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:
Aug. 01, 1978
Filed:
Dec. 29, 1976
Applicant:
Inventor:
William S Thompson, Elkhart, IN (US);
Assignee:
Elkhart Brass Manufacturing Co., Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251283 ; 251315 ;
Abstract
A ball valve to accommodate liquid flow having a rotatable ball element formed with a plurality of reaction faces which when contacted by liquid flow through the valve serve to generally counterbalance the normal self-closing forces exerted upon the ball element by the liquid flow.