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. 28, 1980
Filed:
Apr. 06, 1979
Applicant:
Inventor:
Francis H Ogle, Jr, Chardon, OH (US);
Assignee:
De Laval Turbine Inc., Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
1375121 ; 137527 ;
Abstract
The invention contemplates a check-valve construction wherein two generally semi-circular valve members are hinged to a diametrically extending seat post which divides the bore of the check-valve body into two valve-seat openings, for separate check-valve action with the respective seat openings. In the form described a single hinge connection of both valve members is made to a downstream offset carried at the mid-point of the seat post.