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:
Feb. 07, 1984
Filed:
Aug. 03, 1981
Applicant:
Inventors:
Allan B Hughes, Wilmington, DE (US);
Terrence A Dear, Elkton, MD (US);
Assignee:
E. I. Du Pont de Nemours & Co., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ;
U.S. Cl.
CPC ...
1376253 ; 13762537 ; 251127 ; 138 41 ; 138 42 ;
Abstract
A flow control valve having a flow-dividing cage surrounding its plug. The cage includes stacked plates spaced by dependent legs and annular screens in the spaces between adjacent plates.