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:
Apr. 15, 2008
Filed:
Feb. 23, 2006
Applicant:
Jeannette Soderberg, Legal Representative, Montgomery, TX (US);
Inventor:
Jeannette Soderberg, legal representative, Montgomery, TX (US);
Assignee:
Hemiwedge Valve Corporation, Conroe, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve having a cartridge that fits within the valve housing and that may be replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed position. When the wedge rotates to the closed position a seal is formed on the convex surface of the wedge and a sealing assembly is moved to form a seal around the outlet of the valve housing.