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:
Jun. 11, 2002
Filed:
Oct. 12, 2000
Applicant:
Inventors:
Melvin Winquist, Worcester, MA (US);
David Bayreuther, Griswold, CT (US);
Assignee:
Metso Automation USA Inc., Dover, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/108 ;
U.S. Cl.
CPC ...
F16K 1/108 ;
Abstract
A four way valve which is relatively easy to manufacture and which is smaller than conventional four way valves for a given bore size or flow capacity. The valve can be formed utilizing a closure having a pair of intersecting bores, with a separator provided within the closure to form two isolated passageways or flow paths. An improved sealing/seating arrangement is also provided.