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:
Dec. 09, 1980
Filed:
Dec. 05, 1978
Applicant:
Inventors:
Benjamin C Benjamin, Flint, MI (US);
Charles A Detweiler, Durand, MI (US);
Assignee:
Schmelzer Corporation, Durand, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137510 ; 251 85 ; 251 86 ;
Abstract
A pressure regulator including a valve assembly in which a spherical valve closure element has a flat closure portion for engagement with an annular valve seat and the spherical element permits rotation and accurate alignment of the closure surface with the seat to avoid leakage.