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:
Nov. 13, 2012
Filed:
Jun. 04, 2009
Applicant:
Charles C. Partridge, Houston, TX (US);
Inventor:
Charles C. Partridge, Houston, TX (US);
Assignee:
Chromatic Industries, Inc., Conroe, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved hemi-wedge type valve is disclosed that has upstream and downstream sealing surfaces that cooperate with opposed surfaces on the hemi-wedge valve member. This results in improved sealing and less leakage, at both high and low pressures.